diff --git a/poky/scripts/autobuilder-worker-prereq-tests b/poky/scripts/autobuilder-worker-prereq-tests
index 358dd2b..5d7e6e2 100755
--- a/poky/scripts/autobuilder-worker-prereq-tests
+++ b/poky/scripts/autobuilder-worker-prereq-tests
@@ -3,7 +3,7 @@
 # Script which can be run on new autobuilder workers to check all needed configuration is present.
 # Designed to be run in a repo where bitbake/oe-core are already present.
 #
-
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Todo
 # Add testtools/subunit import test
diff --git a/poky/scripts/bitbake-prserv-tool b/poky/scripts/bitbake-prserv-tool
index fa31b52..e55d98c 100755
--- a/poky/scripts/bitbake-prserv-tool
+++ b/poky/scripts/bitbake-prserv-tool
@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 help ()
 {
diff --git a/poky/scripts/bitbake-whatchanged b/poky/scripts/bitbake-whatchanged
index 0207777..3095daf 100755
--- a/poky/scripts/bitbake-whatchanged
+++ b/poky/scripts/bitbake-whatchanged
@@ -4,18 +4,8 @@
 
 # Copyright (c) 2013 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 import os
 import sys
diff --git a/poky/scripts/buildhistory-collect-srcrevs b/poky/scripts/buildhistory-collect-srcrevs
index d375b04..c4d203f 100755
--- a/poky/scripts/buildhistory-collect-srcrevs
+++ b/poky/scripts/buildhistory-collect-srcrevs
@@ -5,18 +5,8 @@
 # Copyright 2013 Intel Corporation
 # Authored-by:  Paul Eggleton <paul.eggleton@intel.com>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import collections
 import os
diff --git a/poky/scripts/buildhistory-diff b/poky/scripts/buildhistory-diff
index 70805b0..833f7c3 100755
--- a/poky/scripts/buildhistory-diff
+++ b/poky/scripts/buildhistory-diff
@@ -4,6 +4,9 @@
 #
 # Copyright (C) 2013 Intel Corporation
 # Author: Paul Eggleton <paul.eggleton@linux.intel.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import sys
 import os
diff --git a/poky/scripts/buildstats-diff b/poky/scripts/buildstats-diff
index a128dd3..c179c93 100755
--- a/poky/scripts/buildstats-diff
+++ b/poky/scripts/buildstats-diff
@@ -4,15 +4,9 @@
 #
 # Copyright (c) 2016, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import argparse
 import glob
 import logging
diff --git a/poky/scripts/combo-layer b/poky/scripts/combo-layer
index dc40e72..9b50e98 100755
--- a/poky/scripts/combo-layer
+++ b/poky/scripts/combo-layer
@@ -7,18 +7,8 @@
 #               Paul Eggleton <paul.eggleton@intel.com>
 #               Richard Purdie <richard.purdie@intel.com>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import fnmatch
 import os, sys
diff --git a/poky/scripts/combo-layer-hook-default.sh b/poky/scripts/combo-layer-hook-default.sh
index 1e3a3b9..11547a9 100755
--- a/poky/scripts/combo-layer-hook-default.sh
+++ b/poky/scripts/combo-layer-hook-default.sh
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Hook to add source component/revision info to commit message
 # Parameter:
 #   $1 patch-file
diff --git a/poky/scripts/contrib/bb-perf/bb-matrix-plot.sh b/poky/scripts/contrib/bb-perf/bb-matrix-plot.sh
index 136a255..e7bd129 100755
--- a/poky/scripts/contrib/bb-perf/bb-matrix-plot.sh
+++ b/poky/scripts/contrib/bb-perf/bb-matrix-plot.sh
@@ -1,21 +1,8 @@
 #!/bin/bash
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 # This script operates on the .dat file generated by bb-matrix.sh. It tolerates
diff --git a/poky/scripts/contrib/bb-perf/bb-matrix.sh b/poky/scripts/contrib/bb-perf/bb-matrix.sh
index 1064565..b1fff0f 100755
--- a/poky/scripts/contrib/bb-perf/bb-matrix.sh
+++ b/poky/scripts/contrib/bb-perf/bb-matrix.sh
@@ -1,21 +1,8 @@
 #!/bin/bash
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 # This script runs BB_CMD (typically building core-image-sato) for all
diff --git a/poky/scripts/contrib/bb-perf/buildstats-plot.sh b/poky/scripts/contrib/bb-perf/buildstats-plot.sh
index 7e8ae04..898834e 100755
--- a/poky/scripts/contrib/bb-perf/buildstats-plot.sh
+++ b/poky/scripts/contrib/bb-perf/buildstats-plot.sh
@@ -1,21 +1,8 @@
 #!/usr/bin/env bash
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 #
diff --git a/poky/scripts/contrib/bb-perf/buildstats.sh b/poky/scripts/contrib/bb-perf/buildstats.sh
index 8d7e248..e9ec2d4 100755
--- a/poky/scripts/contrib/bb-perf/buildstats.sh
+++ b/poky/scripts/contrib/bb-perf/buildstats.sh
@@ -1,21 +1,8 @@
 #!/bin/bash
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 # Given 'buildstats' data (generate by bitbake when setting
diff --git a/poky/scripts/contrib/bbvars.py b/poky/scripts/contrib/bbvars.py
index 286b5a9..0901336 100755
--- a/poky/scripts/contrib/bbvars.py
+++ b/poky/scripts/contrib/bbvars.py
@@ -1,18 +1,6 @@
 #!/usr/bin/env python3
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # Copyright (C) Darren Hart <dvhart@linux.intel.com>, 2010
 
diff --git a/poky/scripts/contrib/build-perf-test-wrapper.sh b/poky/scripts/contrib/build-perf-test-wrapper.sh
index 7cbb5d7..fa71d4a 100755
--- a/poky/scripts/contrib/build-perf-test-wrapper.sh
+++ b/poky/scripts/contrib/build-perf-test-wrapper.sh
@@ -4,15 +4,7 @@
 #
 # Copyright (c) 2016, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # This script is a simple wrapper around the actual build performance tester
 # script. This script initializes the build environment, runs
diff --git a/poky/scripts/contrib/ddimage b/poky/scripts/contrib/ddimage
index ab92995..b577d1c 100755
--- a/poky/scripts/contrib/ddimage
+++ b/poky/scripts/contrib/ddimage
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 # Default to avoiding the first two disks on typical Linux and Mac OS installs
 # Better safe than sorry :-)
diff --git a/poky/scripts/contrib/devtool-stress.py b/poky/scripts/contrib/devtool-stress.py
index d555c51..81046ec 100755
--- a/poky/scripts/contrib/devtool-stress.py
+++ b/poky/scripts/contrib/devtool-stress.py
@@ -6,18 +6,7 @@
 #
 # Copyright 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import sys
diff --git a/poky/scripts/contrib/dialog-power-control b/poky/scripts/contrib/dialog-power-control
index 7550ea5..ad6070c 100755
--- a/poky/scripts/contrib/dialog-power-control
+++ b/poky/scripts/contrib/dialog-power-control
@@ -1,5 +1,7 @@
 #!/bin/sh
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Simple script to show a manual power prompt for when you want to use
 # automated hardware testing with testimage.bbclass but you don't have a
 # web-enabled power strip or similar to do the power on/off/cycle.
diff --git a/poky/scripts/contrib/documentation-audit.sh b/poky/scripts/contrib/documentation-audit.sh
index 2144aac..1191f57 100755
--- a/poky/scripts/contrib/documentation-audit.sh
+++ b/poky/scripts/contrib/documentation-audit.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Perform an audit of which packages provide documentation and which
 # are missing -doc packages.
 #
@@ -7,7 +9,6 @@
 # this script after source'ing the build environment script, so you're
 # running it from build/ directory.
 #
-# Maintainer: Scott Garman <scott.a.garman@intel.com>
 
 REPORT_DOC_SIMPLE="documentation_exists.txt"
 REPORT_DOC_DETAIL="documentation_exists_detail.txt"
diff --git a/poky/scripts/contrib/graph-tool b/poky/scripts/contrib/graph-tool
index 1df5b8c..6d2e68b 100755
--- a/poky/scripts/contrib/graph-tool
+++ b/poky/scripts/contrib/graph-tool
@@ -7,18 +7,7 @@
 #
 # Copyright 2013 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import sys
diff --git a/poky/scripts/contrib/list-packageconfig-flags.py b/poky/scripts/contrib/list-packageconfig-flags.py
index 7ce7186..b1d6c85 100755
--- a/poky/scripts/contrib/list-packageconfig-flags.py
+++ b/poky/scripts/contrib/list-packageconfig-flags.py
@@ -1,21 +1,10 @@
 #!/usr/bin/env python3
 
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation.
-#
 # Copyright (C) 2013 Wind River Systems, Inc.
 # Copyright (C) 2014 Intel Corporation
 #
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
 # - list available recipes which have PACKAGECONFIG flags
 # - list available PACKAGECONFIG flags and all affected recipes
 # - list all recipes and PACKAGECONFIG information
diff --git a/poky/scripts/contrib/oe-build-perf-report-email.py b/poky/scripts/contrib/oe-build-perf-report-email.py
index 913847b..de3862c 100755
--- a/poky/scripts/contrib/oe-build-perf-report-email.py
+++ b/poky/scripts/contrib/oe-build-perf-report-email.py
@@ -4,15 +4,9 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import argparse
 import base64
 import logging
diff --git a/poky/scripts/contrib/patchreview.py b/poky/scripts/contrib/patchreview.py
index 0721665..62c509f 100755
--- a/poky/scripts/contrib/patchreview.py
+++ b/poky/scripts/contrib/patchreview.py
@@ -1,4 +1,7 @@
 #! /usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 # TODO
 # - option to just list all broken files
diff --git a/poky/scripts/contrib/patchtest.sh b/poky/scripts/contrib/patchtest.sh
index 7fe5666..b1e1ea3 100755
--- a/poky/scripts/contrib/patchtest.sh
+++ b/poky/scripts/contrib/patchtest.sh
@@ -1,26 +1,12 @@
 #!/bin/bash
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # patchtest: Run patchtest on commits starting at master
 #
 # Copyright (c) 2017, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
+
 set -o errexit
 
 # Default values
diff --git a/poky/scripts/contrib/serdevtry b/poky/scripts/contrib/serdevtry
index 74bd7b7..9144730 100755
--- a/poky/scripts/contrib/serdevtry
+++ b/poky/scripts/contrib/serdevtry
@@ -2,7 +2,8 @@
 
 # Copyright (C) 2014 Intel Corporation
 #
-# Released under the MIT license (see COPYING.MIT)
+# SPDX-License-Identifier: MIT
+#
 
 if [ "$1" = "" -o "$1" = "--help" ] ; then
     echo "Usage: $0 <serial terminal command>"
diff --git a/poky/scripts/contrib/test_build_time.sh b/poky/scripts/contrib/test_build_time.sh
index 9e5725a..23f238a 100755
--- a/poky/scripts/contrib/test_build_time.sh
+++ b/poky/scripts/contrib/test_build_time.sh
@@ -3,22 +3,8 @@
 # Build performance regression test script
 #
 # Copyright 2011 Intel Corporation
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 # This script is intended to be used in conjunction with "git bisect run"
diff --git a/poky/scripts/contrib/test_build_time_worker.sh b/poky/scripts/contrib/test_build_time_worker.sh
index 8e20a9e..478e8b0 100755
--- a/poky/scripts/contrib/test_build_time_worker.sh
+++ b/poky/scripts/contrib/test_build_time_worker.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # This is an example script to be used in conjunction with test_build_time.sh
 
 if [ "$TEST_BUILDDIR" = "" ] ; then
diff --git a/poky/scripts/contrib/uncovered b/poky/scripts/contrib/uncovered
index a8399ad..f16128c 100755
--- a/poky/scripts/contrib/uncovered
+++ b/poky/scripts/contrib/uncovered
@@ -1,23 +1,10 @@
 #!/bin/bash -eur
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Find python modules uncovered by oe-seltest
 #
 # Copyright (c) 2016, Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Author: Ed Bartosh <ed.bartosh@linux.intel.com>
 #
diff --git a/poky/scripts/contrib/verify-homepage.py b/poky/scripts/contrib/verify-homepage.py
index cc6e797..7bffa78 100755
--- a/poky/scripts/contrib/verify-homepage.py
+++ b/poky/scripts/contrib/verify-homepage.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
-
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # This script can be used to verify HOMEPAGE values for all recipes in
 # the current configuration.
 # The result is influenced by network environment, since the timeout of connect url is 5 seconds as default.
diff --git a/poky/scripts/cp-noerror b/poky/scripts/cp-noerror
index 35eb211..ab617c5 100755
--- a/poky/scripts/cp-noerror
+++ b/poky/scripts/cp-noerror
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Allow copying of $1 to $2 but if files in $1 disappear during the copy operation,
 # don't error.
 # Also don't error if $1 disappears.
diff --git a/poky/scripts/create-pull-request b/poky/scripts/create-pull-request
index 280880b..3ce03d6 100755
--- a/poky/scripts/create-pull-request
+++ b/poky/scripts/create-pull-request
@@ -1,21 +1,8 @@
 #!/bin/sh
 #
 # Copyright (c) 2010-2013,  Intel Corporation.
-# All Rights Reserved
-# 
-# This program is free software;  you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY;  without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
-# the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program;  if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 
 #
diff --git a/poky/scripts/crosstap b/poky/scripts/crosstap
index e33fa4a..40856bc 100755
--- a/poky/scripts/crosstap
+++ b/poky/scripts/crosstap
@@ -17,20 +17,9 @@
 # related to kernel.
 #
 # Copyright (c) 2018, Cisco Systems.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 import sys
 import re
diff --git a/poky/scripts/devtool b/poky/scripts/devtool
index 0e578c0..8a4f41b 100755
--- a/poky/scripts/devtool
+++ b/poky/scripts/devtool
@@ -4,18 +4,8 @@
 #
 # Copyright (C) 2014-2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/gen-lockedsig-cache b/poky/scripts/gen-lockedsig-cache
index 6765891..e3076e1 100755
--- a/poky/scripts/gen-lockedsig-cache
+++ b/poky/scripts/gen-lockedsig-cache
@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import os
 import sys
diff --git a/poky/scripts/gen-site-config b/poky/scripts/gen-site-config
index 7da7a0b..727b809 100755
--- a/poky/scripts/gen-site-config
+++ b/poky/scripts/gen-site-config
@@ -1,18 +1,8 @@
 #! /bin/sh
 #  Copyright (c) 2005-2008 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 cat << EOF
 AC_PREREQ(2.57)
diff --git a/poky/scripts/lib/argparse_oe.py b/poky/scripts/lib/argparse_oe.py
index 9bdfc1c..94a4ac5 100644
--- a/poky/scripts/lib/argparse_oe.py
+++ b/poky/scripts/lib/argparse_oe.py
@@ -1,3 +1,7 @@
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
 import sys
 import argparse
 from collections import defaultdict, OrderedDict
diff --git a/poky/scripts/lib/build_perf/__init__.py b/poky/scripts/lib/build_perf/__init__.py
index 1f8b729..dcbb780 100644
--- a/poky/scripts/lib/build_perf/__init__.py
+++ b/poky/scripts/lib/build_perf/__init__.py
@@ -1,14 +1,7 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 """Build performance test library functions"""
 
diff --git a/poky/scripts/lib/build_perf/html.py b/poky/scripts/lib/build_perf/html.py
index 578bb16..d1273c9 100644
--- a/poky/scripts/lib/build_perf/html.py
+++ b/poky/scripts/lib/build_perf/html.py
@@ -1,14 +1,7 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 """Helper module for HTML reporting"""
 from jinja2 import Environment, PackageLoader
diff --git a/poky/scripts/lib/build_perf/report.py b/poky/scripts/lib/build_perf/report.py
index d99a367..4e8e2a8 100644
--- a/poky/scripts/lib/build_perf/report.py
+++ b/poky/scripts/lib/build_perf/report.py
@@ -1,14 +1,7 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 """Handling of build perf test reports"""
 from collections import OrderedDict, Mapping, namedtuple
diff --git a/poky/scripts/lib/buildstats.py b/poky/scripts/lib/buildstats.py
index f7db3ea..1adab06 100644
--- a/poky/scripts/lib/buildstats.py
+++ b/poky/scripts/lib/buildstats.py
@@ -1,14 +1,7 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 """Functionality for analyzing buildstats"""
 import json
diff --git a/poky/scripts/lib/checklayer/__init__.py b/poky/scripts/lib/checklayer/__init__.py
index 670f0ee..8244cf0 100644
--- a/poky/scripts/lib/checklayer/__init__.py
+++ b/poky/scripts/lib/checklayer/__init__.py
@@ -1,7 +1,9 @@
 # Yocto Project layer check tool
 #
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import re
diff --git a/poky/scripts/lib/checklayer/case.py b/poky/scripts/lib/checklayer/case.py
index 9dd0041..fa9dee3 100644
--- a/poky/scripts/lib/checklayer/case.py
+++ b/poky/scripts/lib/checklayer/case.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 from oeqa.core.case import OETestCase
 
diff --git a/poky/scripts/lib/checklayer/cases/bsp.py b/poky/scripts/lib/checklayer/cases/bsp.py
index b6b611b..7fd56f5 100644
--- a/poky/scripts/lib/checklayer/cases/bsp.py
+++ b/poky/scripts/lib/checklayer/cases/bsp.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import unittest
 
diff --git a/poky/scripts/lib/checklayer/cases/common.py b/poky/scripts/lib/checklayer/cases/common.py
index 1bef61b..8ffe028 100644
--- a/poky/scripts/lib/checklayer/cases/common.py
+++ b/poky/scripts/lib/checklayer/cases/common.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import glob
 import os
diff --git a/poky/scripts/lib/checklayer/cases/distro.py b/poky/scripts/lib/checklayer/cases/distro.py
index df1b303..f0bee54 100644
--- a/poky/scripts/lib/checklayer/cases/distro.py
+++ b/poky/scripts/lib/checklayer/cases/distro.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import unittest
 
diff --git a/poky/scripts/lib/checklayer/context.py b/poky/scripts/lib/checklayer/context.py
index 1bec2c4..4de8f66 100644
--- a/poky/scripts/lib/checklayer/context.py
+++ b/poky/scripts/lib/checklayer/context.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import sys
diff --git a/poky/scripts/lib/devtool/__init__.py b/poky/scripts/lib/devtool/__init__.py
index 8fc7fff..d39c474 100644
--- a/poky/scripts/lib/devtool/__init__.py
+++ b/poky/scripts/lib/devtool/__init__.py
@@ -4,18 +4,8 @@
 #
 # Copyright (C) 2014 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool plugins module"""
 
 import os
diff --git a/poky/scripts/lib/devtool/build.py b/poky/scripts/lib/devtool/build.py
index ba9593f..7543398 100644
--- a/poky/scripts/lib/devtool/build.py
+++ b/poky/scripts/lib/devtool/build.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool build plugin"""
 
 import os
diff --git a/poky/scripts/lib/devtool/build_image.py b/poky/scripts/lib/devtool/build_image.py
index e581038..9388abb 100644
--- a/poky/scripts/lib/devtool/build_image.py
+++ b/poky/scripts/lib/devtool/build_image.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 """Devtool plugin containing the build-image subcommand."""
 
diff --git a/poky/scripts/lib/devtool/build_sdk.py b/poky/scripts/lib/devtool/build_sdk.py
index b89d65b..6fe02ff 100644
--- a/poky/scripts/lib/devtool/build_sdk.py
+++ b/poky/scripts/lib/devtool/build_sdk.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import os
 import subprocess
diff --git a/poky/scripts/lib/devtool/deploy.py b/poky/scripts/lib/devtool/deploy.py
index f345f31..d1ce230 100644
--- a/poky/scripts/lib/devtool/deploy.py
+++ b/poky/scripts/lib/devtool/deploy.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool plugin containing the deploy subcommands"""
 
 import logging
diff --git a/poky/scripts/lib/devtool/export.py b/poky/scripts/lib/devtool/export.py
index 35349e2..01174ed 100644
--- a/poky/scripts/lib/devtool/export.py
+++ b/poky/scripts/lib/devtool/export.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool export plugin"""
 
 import os
diff --git a/poky/scripts/lib/devtool/import.py b/poky/scripts/lib/devtool/import.py
index 4264b7d..6829851 100644
--- a/poky/scripts/lib/devtool/import.py
+++ b/poky/scripts/lib/devtool/import.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool import plugin"""
 
 import os
diff --git a/poky/scripts/lib/devtool/package.py b/poky/scripts/lib/devtool/package.py
index af9e8f1..c236734 100644
--- a/poky/scripts/lib/devtool/package.py
+++ b/poky/scripts/lib/devtool/package.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool plugin containing the package subcommands"""
 
 import os
diff --git a/poky/scripts/lib/devtool/runqemu.py b/poky/scripts/lib/devtool/runqemu.py
index e26cf28..ead978a 100644
--- a/poky/scripts/lib/devtool/runqemu.py
+++ b/poky/scripts/lib/devtool/runqemu.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 """Devtool runqemu plugin"""
 
diff --git a/poky/scripts/lib/devtool/sdk.py b/poky/scripts/lib/devtool/sdk.py
index 4616753..3aa42a1 100644
--- a/poky/scripts/lib/devtool/sdk.py
+++ b/poky/scripts/lib/devtool/sdk.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import os
 import subprocess
diff --git a/poky/scripts/lib/devtool/search.py b/poky/scripts/lib/devtool/search.py
index b4f209b..d24040d 100644
--- a/poky/scripts/lib/devtool/search.py
+++ b/poky/scripts/lib/devtool/search.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 """Devtool search plugin"""
 
diff --git a/poky/scripts/lib/devtool/standard.py b/poky/scripts/lib/devtool/standard.py
index 0a1e329..aca74b1 100644
--- a/poky/scripts/lib/devtool/standard.py
+++ b/poky/scripts/lib/devtool/standard.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """Devtool standard plugins"""
 
 import os
diff --git a/poky/scripts/lib/devtool/upgrade.py b/poky/scripts/lib/devtool/upgrade.py
index 75e765e..62ec2f9 100644
--- a/poky/scripts/lib/devtool/upgrade.py
+++ b/poky/scripts/lib/devtool/upgrade.py
@@ -2,18 +2,7 @@
 #
 # Copyright (C) 2014-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 """Devtool upgrade plugin"""
 
diff --git a/poky/scripts/lib/devtool/utilcmds.py b/poky/scripts/lib/devtool/utilcmds.py
index 7cd139f..9648177 100644
--- a/poky/scripts/lib/devtool/utilcmds.py
+++ b/poky/scripts/lib/devtool/utilcmds.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 """Devtool utility plugins"""
 
diff --git a/poky/scripts/lib/recipetool/append.py b/poky/scripts/lib/recipetool/append.py
index 3f2c134..e9d52bb 100644
--- a/poky/scripts/lib/recipetool/append.py
+++ b/poky/scripts/lib/recipetool/append.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/lib/recipetool/create.py b/poky/scripts/lib/recipetool/create.py
index 1810c70..98277f7 100644
--- a/poky/scripts/lib/recipetool/create.py
+++ b/poky/scripts/lib/recipetool/create.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
@@ -704,7 +694,7 @@
         if not args.autorev and srcrev == '${AUTOREV}':
             if os.path.exists(os.path.join(srctree, '.git')):
                 (stdout, _) = bb.process.run('git rev-parse HEAD', cwd=srctree)
-            srcrev = stdout.rstrip()
+                srcrev = stdout.rstrip()
         lines_before.append('SRCREV = "%s"' % srcrev)
     if args.provides:
         lines_before.append('PROVIDES = "%s"' % args.provides)
diff --git a/poky/scripts/lib/recipetool/create_buildsys.py b/poky/scripts/lib/recipetool/create_buildsys.py
index 4743c74..3cb0276 100644
--- a/poky/scripts/lib/recipetool/create_buildsys.py
+++ b/poky/scripts/lib/recipetool/create_buildsys.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import re
 import logging
diff --git a/poky/scripts/lib/recipetool/create_buildsys_python.py b/poky/scripts/lib/recipetool/create_buildsys_python.py
index 5bd2aa3..1a38bd0 100644
--- a/poky/scripts/lib/recipetool/create_buildsys_python.py
+++ b/poky/scripts/lib/recipetool/create_buildsys_python.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Mentor Graphics Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import ast
 import codecs
diff --git a/poky/scripts/lib/recipetool/create_kernel.py b/poky/scripts/lib/recipetool/create_kernel.py
index ca4996c..5740589 100644
--- a/poky/scripts/lib/recipetool/create_kernel.py
+++ b/poky/scripts/lib/recipetool/create_kernel.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import re
 import logging
diff --git a/poky/scripts/lib/recipetool/create_kmod.py b/poky/scripts/lib/recipetool/create_kmod.py
index 3982537..85b5c48 100644
--- a/poky/scripts/lib/recipetool/create_kmod.py
+++ b/poky/scripts/lib/recipetool/create_kmod.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import re
 import logging
diff --git a/poky/scripts/lib/recipetool/create_npm.py b/poky/scripts/lib/recipetool/create_npm.py
index 0366788..39429eb 100644
--- a/poky/scripts/lib/recipetool/create_npm.py
+++ b/poky/scripts/lib/recipetool/create_npm.py
@@ -2,20 +2,11 @@
 #
 # Copyright (C) 2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import os
+import sys
 import logging
 import subprocess
 import tempfile
diff --git a/poky/scripts/lib/recipetool/edit.py b/poky/scripts/lib/recipetool/edit.py
index c4789a9..94bdf7b 100644
--- a/poky/scripts/lib/recipetool/edit.py
+++ b/poky/scripts/lib/recipetool/edit.py
@@ -6,18 +6,8 @@
 #
 # Copyright (C) 2018 Mentor Graphics Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import argparse
 import errno
diff --git a/poky/scripts/lib/recipetool/newappend.py b/poky/scripts/lib/recipetool/newappend.py
index 76707b4..08e2474 100644
--- a/poky/scripts/lib/recipetool/newappend.py
+++ b/poky/scripts/lib/recipetool/newappend.py
@@ -7,18 +7,8 @@
 #
 # Copyright (C) 2015 Christopher Larson <kergoth@gmail.com>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import argparse
 import errno
diff --git a/poky/scripts/lib/recipetool/setvar.py b/poky/scripts/lib/recipetool/setvar.py
index 9de315a..f8e2ee7 100644
--- a/poky/scripts/lib/recipetool/setvar.py
+++ b/poky/scripts/lib/recipetool/setvar.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/lib/resulttool/log.py b/poky/scripts/lib/resulttool/log.py
new file mode 100644
index 0000000..25c3396
--- /dev/null
+++ b/poky/scripts/lib/resulttool/log.py
@@ -0,0 +1,71 @@
+# resulttool - Show logs
+#
+# Copyright (c) 2019 Garmin International
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+import os
+import resulttool.resultutils as resultutils
+
+def show_ptest(result, ptest, logger):
+    if 'ptestresult.sections' in result:
+        if ptest in result['ptestresult.sections'] and 'log' in result['ptestresult.sections'][ptest]:
+            print(result['ptestresult.sections'][ptest]['log'])
+            return 0
+
+    print("ptest '%s' not found" % ptest)
+    return 1
+
+def log(args, logger):
+    results = resultutils.load_resultsdata(args.source)
+
+    ptest_count = sum(1 for _, _, _, r in resultutils.test_run_results(results) if 'ptestresult.sections' in r)
+    if ptest_count > 1 and not args.prepend_run:
+        print("%i ptest sections found. '--prepend-run' is required" % ptest_count)
+        return 1
+
+    for _, run_name, _, r in resultutils.test_run_results(results):
+        if args.dump_ptest:
+            if 'ptestresult.sections' in r:
+                for name, ptest in r['ptestresult.sections'].items():
+                    if 'log' in ptest:
+                        dest_dir = args.dump_ptest
+                        if args.prepend_run:
+                            dest_dir = os.path.join(dest_dir, run_name)
+
+                        os.makedirs(dest_dir, exist_ok=True)
+
+                        dest = os.path.join(dest_dir, '%s.log' % name)
+                        print(dest)
+                        with open(dest, 'w') as f:
+                            f.write(ptest['log'])
+
+        if args.raw:
+            if 'ptestresult.rawlogs' in r:
+                print(r['ptestresult.rawlogs']['log'])
+            else:
+                print('Raw logs not found')
+                return 1
+
+        for ptest in args.ptest:
+            if not show_ptest(r, ptest, logger):
+                return 1
+
+def register_commands(subparsers):
+    """Register subcommands from this plugin"""
+    parser = subparsers.add_parser('log', help='show logs',
+                                         description='show the logs from test results',
+                                         group='analysis')
+    parser.set_defaults(func=log)
+    parser.add_argument('source',
+            help='the results file/directory/URL to import')
+    parser.add_argument('--ptest', action='append', default=[],
+            help='show logs for a ptest')
+    parser.add_argument('--dump-ptest', metavar='DIR',
+            help='Dump all ptest log files to the specified directory.')
+    parser.add_argument('--prepend-run', action='store_true',
+            help='''Dump ptest results to a subdirectory named after the test run when using --dump-ptest.
+                    Required if more than one test run is present in the result file''')
+    parser.add_argument('--raw', action='store_true',
+            help='show raw logs')
+
diff --git a/poky/scripts/lib/resulttool/manualexecution.py b/poky/scripts/lib/resulttool/manualexecution.py
index 12ef90d..df28e1d 100755
--- a/poky/scripts/lib/resulttool/manualexecution.py
+++ b/poky/scripts/lib/resulttool/manualexecution.py
@@ -2,27 +2,22 @@
 #
 # Copyright (c) 2018, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import argparse
 import json
 import os
 import sys
 import datetime
 import re
+import copy
 from oeqa.core.runner import OETestResultJSONHelper
 
 
-def load_json_file(file):
-    with open(file, "r") as f:
-        return json.load(f)
+def load_json_file(f):
+    with open(f, "r") as filedata:
+        return json.load(filedata)
 
 def write_json_file(f, json_data):
     os.makedirs(os.path.dirname(f), exist_ok=True)
@@ -31,9 +26,8 @@
 
 class ManualTestRunner(object):
 
-    def _get_testcases(self, file):
-        self.jdata = load_json_file(file)
-        self.test_module = self.jdata[0]['test']['@alias'].split('.', 2)[0]
+    def _get_test_module(self, case_file):
+        return os.path.basename(case_file).split('.')[0]
 
     def _get_input(self, config):
         while True:
@@ -57,23 +51,21 @@
             print('Only integer index inputs from above available configuration options are allowed. Please try again.')
         return options[output]
 
-    def _create_config(self, config_options):
+    def _get_config(self, config_options, test_module):
         from oeqa.utils.metadata import get_layers
         from oeqa.utils.commands import get_bb_var
         from resulttool.resultutils import store_map
 
         layers = get_layers(get_bb_var('BBLAYERS'))
-        self.configuration = {}
-        self.configuration['LAYERS'] = layers
-        current_datetime = datetime.datetime.now()
-        self.starttime = current_datetime.strftime('%Y%m%d%H%M%S')
-        self.configuration['STARTTIME'] = self.starttime
-        self.configuration['TEST_TYPE'] = 'manual'
-        self.configuration['TEST_MODULE'] = self.test_module
+        configurations = {}
+        configurations['LAYERS'] = layers
+        configurations['STARTTIME'] = datetime.datetime.now().strftime('%Y%m%d%H%M%S')
+        configurations['TEST_TYPE'] = 'manual'
+        configurations['TEST_MODULE'] = test_module
 
-        extra_config = set(store_map['manual']) - set(self.configuration)
+        extra_config = set(store_map['manual']) - set(configurations)
         for config in sorted(extra_config):
-            avail_config_options = self._get_available_config_options(config_options, self.test_module, config)
+            avail_config_options = self._get_available_config_options(config_options, test_module, config)
             if avail_config_options:
                 print('---------------------------------------------')
                 print('These are available configuration #%s options:' % config)
@@ -89,21 +81,19 @@
                 print('---------------------------------------------')
                 value_conf = self._get_input('Configuration Value')
                 print('---------------------------------------------\n')
-            self.configuration[config] = value_conf
+            configurations[config] = value_conf
+        return configurations
 
-    def _create_result_id(self):
-        self.result_id = 'manual_%s_%s' % (self.test_module, self.starttime)
-
-    def _execute_test_steps(self, test):
+    def _execute_test_steps(self, case):
         test_result = {}
         print('------------------------------------------------------------------------')
-        print('Executing test case: %s' % test['test']['@alias'])
+        print('Executing test case: %s' % case['test']['@alias'])
         print('------------------------------------------------------------------------')
-        print('You have total %s test steps to be executed.' % len(test['test']['execution']))
+        print('You have total %s test steps to be executed.' % len(case['test']['execution']))
         print('------------------------------------------------------------------------\n')
-        for step, _ in sorted(test['test']['execution'].items(), key=lambda x: int(x[0])):
-            print('Step %s: %s' % (step, test['test']['execution'][step]['action']))
-            expected_output = test['test']['execution'][step]['expected_results']
+        for step, _ in sorted(case['test']['execution'].items(), key=lambda x: int(x[0])):
+            print('Step %s: %s' % (step, case['test']['execution'][step]['action']))
+            expected_output = case['test']['execution'][step]['expected_results']
             if expected_output:
                 print('Expected output: %s' % expected_output)
         while True:
@@ -118,31 +108,37 @@
                         res = result_types[r]
                         if res == 'FAILED':
                             log_input = input('\nPlease enter the error and the description of the log: (Ex:log:211 Error Bitbake)\n')
-                            test_result.update({test['test']['@alias']: {'status': '%s' % res, 'log': '%s' % log_input}})
+                            test_result.update({case['test']['@alias']: {'status': '%s' % res, 'log': '%s' % log_input}})
                         else:
-                            test_result.update({test['test']['@alias']: {'status': '%s' % res}})
+                            test_result.update({case['test']['@alias']: {'status': '%s' % res}})
                 break
             print('Invalid input!')
         return test_result
 
-    def _create_write_dir(self):
-        basepath = os.environ['BUILDDIR']
-        self.write_dir = basepath + '/tmp/log/manual/'
+    def _get_write_dir(self):
+        return os.environ['BUILDDIR'] + '/tmp/log/manual/'
 
-    def run_test(self, file, config_options_file):
-        self._get_testcases(file)
+    def run_test(self, case_file, config_options_file, testcase_config_file):
+        test_module = self._get_test_module(case_file)
+        cases = load_json_file(case_file)
         config_options = {}
         if config_options_file:
             config_options = load_json_file(config_options_file)
-        self._create_config(config_options)
-        self._create_result_id()
-        self._create_write_dir()
+        configurations = self._get_config(config_options, test_module)
+        result_id = 'manual_%s_%s' % (test_module, configurations['STARTTIME'])
         test_results = {}
-        print('\nTotal number of test cases in this test suite: %s\n' % len(self.jdata))
-        for t in self.jdata:
-            test_result = self._execute_test_steps(t)
+        if testcase_config_file:
+            test_case_config = load_json_file(testcase_config_file)
+            test_case_to_execute = test_case_config['testcases']
+            for case in copy.deepcopy(cases) :
+                if case['test']['@alias'] not in test_case_to_execute:
+                    cases.remove(case)
+
+        print('\nTotal number of test cases in this test suite: %s\n' % len(cases))
+        for c in cases:
+            test_result = self._execute_test_steps(c)
             test_results.update(test_result)
-        return self.configuration, self.result_id, self.write_dir, test_results
+        return configurations, result_id, self._get_write_dir(), test_results
 
     def _get_true_false_input(self, input_message):
         yes_list = ['Y', 'YES']
@@ -156,11 +152,11 @@
             return False
         return True
 
-    def make_config_option_file(self, logger, manual_case_file, config_options_file):
+    def make_config_option_file(self, logger, case_file, config_options_file):
         config_options = {}
         if config_options_file:
             config_options = load_json_file(config_options_file)
-        new_test_module = os.path.basename(manual_case_file).split('.')[0]
+        new_test_module = self._get_test_module(case_file)
         print('Creating configuration options file for test module: %s' % new_test_module)
         new_config_options = {}
 
@@ -181,8 +177,7 @@
         if new_config_options:
             config_options[new_test_module] = new_config_options
         if not config_options_file:
-            self._create_write_dir()
-            config_options_file = os.path.join(self.write_dir, 'manual_config_options.json')
+            config_options_file = os.path.join(self._get_write_dir(), 'manual_config_options.json')
         write_json_file(config_options_file, config_options)
         logger.info('Configuration option file created at %s' % config_options_file)
 
@@ -191,9 +186,9 @@
     if args.make_config_options_file:
         testrunner.make_config_option_file(logger, args.file, args.config_options_file)
         return 0
-    get_configuration, get_result_id, get_write_dir, get_test_results = testrunner.run_test(args.file, args.config_options_file)
+    configurations, result_id, write_dir, test_results = testrunner.run_test(args.file, args.config_options_file, args.testcase_config_file)
     resultjsonhelper = OETestResultJSONHelper()
-    resultjsonhelper.dump_testresult_file(get_write_dir, get_configuration, get_result_id, get_test_results)
+    resultjsonhelper.dump_testresult_file(write_dir, configurations, result_id, test_results)
     return 0
 
 def register_commands(subparsers):
@@ -207,3 +202,5 @@
                               help='the config options file to import and used as available configuration option selection or make config option file')
     parser_build.add_argument('-m', '--make-config-options-file', action='store_true',
                               help='make the configuration options file based on provided inputs')
+    parser_build.add_argument('-t', '--testcase-config-file', default='',
+                              help='the testcase configuration file to enable user to run a selected set of test case')
\ No newline at end of file
diff --git a/poky/scripts/lib/resulttool/merge.py b/poky/scripts/lib/resulttool/merge.py
index 3e4b7a3..70d23a4 100644
--- a/poky/scripts/lib/resulttool/merge.py
+++ b/poky/scripts/lib/resulttool/merge.py
@@ -3,21 +3,15 @@
 # Copyright (c) 2019, Intel Corporation.
 # Copyright (c) 2019, Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import os
 import json
 import resulttool.resultutils as resultutils
 
 def merge(args, logger):
-    if os.path.isdir(args.target_results):
+    if resultutils.is_url(args.target_results) or os.path.isdir(args.target_results):
         results = resultutils.load_resultsdata(args.target_results, configmap=resultutils.store_map)
         resultutils.append_resultsdata(results, args.base_results, configmap=resultutils.store_map)
         resultutils.save_resultsdata(results, args.target_results)
@@ -31,12 +25,12 @@
 
 def register_commands(subparsers):
     """Register subcommands from this plugin"""
-    parser_build = subparsers.add_parser('merge', help='merge test result files/directories',
-                                         description='merge the results from multiple files/directories into the target file or directory',
+    parser_build = subparsers.add_parser('merge', help='merge test result files/directories/URLs',
+                                         description='merge the results from multiple files/directories/URLs into the target file or directory',
                                          group='setup')
     parser_build.set_defaults(func=merge)
     parser_build.add_argument('base_results',
-                              help='the results file/directory to import')
+                              help='the results file/directory/URL to import')
     parser_build.add_argument('target_results',
                               help='the target file or directory to merge the base_results with')
 
diff --git a/poky/scripts/lib/resulttool/regression.py b/poky/scripts/lib/resulttool/regression.py
index bdf531d..9f95295 100644
--- a/poky/scripts/lib/resulttool/regression.py
+++ b/poky/scripts/lib/resulttool/regression.py
@@ -3,15 +3,9 @@
 # Copyright (c) 2019, Intel Corporation.
 # Copyright (c) 2019, Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import resulttool.resultutils as resultutils
 import json
 
@@ -64,7 +58,7 @@
         if a in target_results:
             base = list(base_results[a].keys())
             target = list(target_results[a].keys())
-            # We may have multiple base/targets which are for different configurations. Start by 
+            # We may have multiple base/targets which are for different configurations. Start by
             # removing any pairs which match
             for c in base.copy():
                 for b in target.copy():
@@ -161,9 +155,9 @@
                                          group='analysis')
     parser_build.set_defaults(func=regression)
     parser_build.add_argument('base_result',
-                              help='base result file/directory for the comparison')
+                              help='base result file/directory/URL for the comparison')
     parser_build.add_argument('target_result',
-                              help='target result file/directory to compare with')
+                              help='target result file/directory/URL to compare with')
     parser_build.add_argument('-b', '--base-result-id', default='',
                               help='(optional) filter the base results to this result ID')
     parser_build.add_argument('-t', '--target-result-id', default='',
diff --git a/poky/scripts/lib/resulttool/report.py b/poky/scripts/lib/resulttool/report.py
index 9008620..cb6b1cf 100644
--- a/poky/scripts/lib/resulttool/report.py
+++ b/poky/scripts/lib/resulttool/report.py
@@ -3,15 +3,9 @@
 # Copyright (c) 2019, Intel Corporation.
 # Copyright (c) 2019, Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import os
 import glob
 import json
@@ -23,6 +17,8 @@
 class ResultsTextReport(object):
     def __init__(self):
         self.ptests = {}
+        self.ltptests = {}
+        self.ltpposixtests = {}
         self.result_types = {'passed': ['PASSED', 'passed'],
                              'failed': ['FAILED', 'failed', 'ERROR', 'error', 'UNKNOWN'],
                              'skipped': ['SKIPPED', 'skipped']}
@@ -57,6 +53,69 @@
             if status in self.result_types[tk]:
                 self.ptests[suite][tk] += 1
 
+    def handle_ltptest_result(self, k, status, result):
+        if k == 'ltpresult.sections':
+            # Ensure tests without any test results still show up on the report
+            for suite in result['ltpresult.sections']:
+                if suite not in self.ltptests:
+                    self.ltptests[suite] = {'passed': 0, 'failed': 0, 'skipped': 0, 'duration' : '-', 'failed_testcases': []}
+                if 'duration' in result['ltpresult.sections'][suite]:
+                    self.ltptests[suite]['duration'] = result['ltpresult.sections'][suite]['duration']
+                if 'timeout' in result['ltpresult.sections'][suite]:
+                    self.ltptests[suite]['duration'] += " T"
+            return
+        try:
+            _, suite, test = k.split(".", 2)
+        except ValueError:
+            return
+        # Handle 'glib-2.0'
+        if 'ltpresult.sections' in result and suite not in result['ltpresult.sections']:
+            try:
+                _, suite, suite1, test = k.split(".", 3)
+                print("split2: %s %s %s" % (suite, suite1, test))
+                if suite + "." + suite1 in result['ltpresult.sections']:
+                    suite = suite + "." + suite1
+            except ValueError:
+                pass
+        if suite not in self.ltptests:
+            self.ltptests[suite] = {'passed': 0, 'failed': 0, 'skipped': 0, 'duration' : '-', 'failed_testcases': []}
+        for tk in self.result_types:
+            if status in self.result_types[tk]:
+                self.ltptests[suite][tk] += 1
+
+    def handle_ltpposixtest_result(self, k, status, result):
+        if k == 'ltpposixresult.sections':
+            # Ensure tests without any test results still show up on the report
+            for suite in result['ltpposixresult.sections']:
+                if suite not in self.ltpposixtests:
+                    self.ltpposixtests[suite] = {'passed': 0, 'failed': 0, 'skipped': 0, 'duration' : '-', 'failed_testcases': []}
+                if 'duration' in result['ltpposixresult.sections'][suite]:
+                    self.ltpposixtests[suite]['duration'] = result['ltpposixresult.sections'][suite]['duration']
+            return
+        try:
+            _, suite, test = k.split(".", 2)
+        except ValueError:
+            return
+        # Handle 'glib-2.0'
+        if 'ltpposixresult.sections' in result and suite not in result['ltpposixresult.sections']:
+            try:
+                _, suite, suite1, test = k.split(".", 3)
+                if suite + "." + suite1 in result['ltpposixresult.sections']:
+                    suite = suite + "." + suite1
+            except ValueError:
+                pass
+        if suite not in self.ltpposixtests:
+            self.ltpposixtests[suite] = {'passed': 0, 'failed': 0, 'skipped': 0, 'duration' : '-', 'failed_testcases': []}
+        for tk in self.result_types:
+            if status in self.result_types[tk]:
+                self.ltpposixtests[suite][tk] += 1
+
+    def get_aggregated_test_result(self, logger, testresult):
+        test_count_report = {'passed': 0, 'failed': 0, 'skipped': 0, 'failed_testcases': []}
+    def get_aggregated_test_result(self, logger, testresult):
+        test_count_report = {'passed': 0, 'failed': 0, 'skipped': 0, 'failed_testcases': []}
+    def get_aggregated_test_result(self, logger, testresult):
+        test_count_report = {'passed': 0, 'failed': 0, 'skipped': 0, 'failed_testcases': []}
     def get_aggregated_test_result(self, logger, testresult):
         test_count_report = {'passed': 0, 'failed': 0, 'skipped': 0, 'failed_testcases': []}
         result = testresult.get('result', [])
@@ -69,6 +128,10 @@
                 test_count_report['failed_testcases'].append(k)
             if k.startswith("ptestresult."):
                 self.handle_ptest_result(k, test_status, result)
+            if k.startswith("ltpresult."):
+                self.handle_ltptest_result(k, test_status, result)
+            if k.startswith("ltpposixresult."):
+                self.handle_ltpposixtest_result(k, test_status, result)
         return test_count_report
 
     def print_test_report(self, template_file_name, test_count_reports):
@@ -79,9 +142,11 @@
         template = env.get_template(template_file_name)
         havefailed = False
         haveptest = bool(self.ptests)
+        haveltp = bool(self.ltptests)
+        haveltpposix = bool(self.ltpposixtests)
         reportvalues = []
         cols = ['passed', 'failed', 'skipped']
-        maxlen = {'passed' : 0, 'failed' : 0, 'skipped' : 0, 'result_id': 0, 'testseries' : 0, 'ptest' : 0 }
+        maxlen = {'passed' : 0, 'failed' : 0, 'skipped' : 0, 'result_id': 0, 'testseries' : 0, 'ptest' : 0 ,'ltptest': 0, 'ltpposixtest': 0}
         for line in test_count_reports:
             total_tested = line['passed'] + line['failed'] + line['skipped']
             vals = {}
@@ -100,10 +165,20 @@
         for ptest in self.ptests:
             if len(ptest) > maxlen['ptest']:
                 maxlen['ptest'] = len(ptest)
+        for ltptest in self.ltptests:
+            if len(ltptest) > maxlen['ltptest']:
+                maxlen['ltptest'] = len(ltptest)
+        for ltpposixtest in self.ltpposixtests:
+            if len(ltpposixtest) > maxlen['ltpposixtest']:
+                maxlen['ltpposixtest'] = len(ltpposixtest)
         output = template.render(reportvalues=reportvalues,
                                  havefailed=havefailed,
                                  haveptest=haveptest,
                                  ptests=self.ptests,
+                                 haveltp=haveltp,
+                                 haveltpposix=haveltpposix,
+                                 ltptests=self.ltptests,
+                                 ltpposixtests=self.ltpposixtests,
                                  maxlen=maxlen)
         print(output)
 
@@ -143,7 +218,7 @@
                                          group='analysis')
     parser_build.set_defaults(func=report)
     parser_build.add_argument('source_dir',
-                              help='source file/directory that contain the test result files to summarise')
+                              help='source file/directory/URL that contain the test result files to summarise')
     parser_build.add_argument('--branch', '-B', default='master', help="Branch to find commit in")
     parser_build.add_argument('--commit', help="Revision to report")
     parser_build.add_argument('-t', '--tag', default='',
diff --git a/poky/scripts/lib/resulttool/resultutils.py b/poky/scripts/lib/resulttool/resultutils.py
index ad40ac8..ea4ab42 100644
--- a/poky/scripts/lib/resulttool/resultutils.py
+++ b/poky/scripts/lib/resulttool/resultutils.py
@@ -3,19 +3,15 @@
 # Copyright (c) 2019, Intel Corporation.
 # Copyright (c) 2019, Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import os
 import json
 import scriptpath
 import copy
+import urllib.request
+import posixpath
 scriptpath.add_oe_lib_path()
 
 flatten_map = {
@@ -40,20 +36,33 @@
     "manual": ['TEST_TYPE', 'TEST_MODULE', 'MACHINE', 'IMAGE_BASENAME']
 }
 
+def is_url(p):
+    """
+    Helper for determining if the given path is a URL
+    """
+    return p.startswith('http://') or p.startswith('https://')
+
 #
 # Load the json file and append the results data into the provided results dict
 #
 def append_resultsdata(results, f, configmap=store_map):
     if type(f) is str:
-        with open(f, "r") as filedata:
-            data = json.load(filedata)
+        if is_url(f):
+            with urllib.request.urlopen(f) as response:
+                data = json.loads(response.read().decode('utf-8'))
+            url = urllib.parse.urlparse(f)
+            testseries = posixpath.basename(posixpath.dirname(url.path))
+        else:
+            with open(f, "r") as filedata:
+                data = json.load(filedata)
+            testseries = os.path.basename(os.path.dirname(f))
     else:
         data = f
     for res in data:
         if "configuration" not in data[res] or "result" not in data[res]:
             raise ValueError("Test results data without configuration or result section?")
         if "TESTSERIES" not in data[res]["configuration"]:
-            data[res]["configuration"]["TESTSERIES"] = os.path.basename(os.path.dirname(f))
+            data[res]["configuration"]["TESTSERIES"] = testseries
         testtype = data[res]["configuration"].get("TEST_TYPE")
         if testtype not in configmap:
             raise ValueError("Unknown test type %s" % testtype)
@@ -69,7 +78,7 @@
 #
 def load_resultsdata(source, configmap=store_map):
     results = {}
-    if os.path.isfile(source):
+    if is_url(source) or os.path.isfile(source):
         append_resultsdata(results, source, configmap)
         return results
     for root, dirs, files in os.walk(source):
@@ -152,3 +161,19 @@
         append_resultsdata(results, obj)
 
     return results
+
+def test_run_results(results):
+    """
+    Convenient generator function that iterates over all test runs that have a
+    result section.
+
+    Generates a tuple of:
+        (result json file path, test run name, test run (dict), test run "results" (dict))
+    for each test run that has a "result" section
+    """
+    for path in results:
+        for run_name, test_run in results[path].items():
+            if not 'result' in test_run:
+                continue
+            yield path, run_name, test_run, test_run['result']
+
diff --git a/poky/scripts/lib/resulttool/store.py b/poky/scripts/lib/resulttool/store.py
index e4a0807..06505ae 100644
--- a/poky/scripts/lib/resulttool/store.py
+++ b/poky/scripts/lib/resulttool/store.py
@@ -3,15 +3,9 @@
 # Copyright (c) 2019, Intel Corporation.
 # Copyright (c) 2019, Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import tempfile
 import os
 import subprocess
@@ -29,7 +23,7 @@
     try:
         results = {}
         logger.info('Reading files from %s' % args.source)
-        if os.path.isfile(args.source):
+        if resultutils.is_url(args.source) or os.path.isfile(args.source):
             resultutils.append_resultsdata(results, args.source)
         else:
             for root, dirs,  files in os.walk(args.source):
@@ -92,7 +86,7 @@
                                          group='setup')
     parser_build.set_defaults(func=store)
     parser_build.add_argument('source',
-                              help='source file or directory that contain the test result files to be stored')
+                              help='source file/directory/URL that contain the test result files to be stored')
     parser_build.add_argument('git_dir',
                               help='the location of the git repository to store the results in')
     parser_build.add_argument('-a', '--all', action='store_true',
diff --git a/poky/scripts/lib/resulttool/template/test_report_full_text.txt b/poky/scripts/lib/resulttool/template/test_report_full_text.txt
index 590f35c..d2725b8 100644
--- a/poky/scripts/lib/resulttool/template/test_report_full_text.txt
+++ b/poky/scripts/lib/resulttool/template/test_report_full_text.txt
@@ -25,6 +25,40 @@
 There was no ptest data
 {% endif %}
 
+{% if haveltp %}
+==============================================================================================================
+Ltp Test Result Summary
+==============================================================================================================
+--------------------------------------------------------------------------------------------------------------
+{{ 'Recipe'.ljust(maxlen['ltptest']) }} | {{ 'Passed'.ljust(maxlen['passed']) }} | {{ 'Failed'.ljust(maxlen['failed']) }} | {{ 'Skipped'.ljust(maxlen['skipped']) }} | {{ 'Time(s)'.ljust(10) }}
+--------------------------------------------------------------------------------------------------------------
+{% for ltptest in ltptests |sort %}
+{{ ltptest.ljust(maxlen['ltptest']) }} | {{ (ltptests[ltptest]['passed']|string).ljust(maxlen['passed']) }} | {{ (ltptests[ltptest]['failed']|string).ljust(maxlen['failed']) }} | {{ (ltptests[ltptest]['skipped']|string).ljust(maxlen['skipped']) }} | {{ (ltptests[ltptest]['duration']|string) }}
+{% endfor %}
+--------------------------------------------------------------------------------------------------------------
+
+{% else %}
+There was no LTP Test data
+{% endif %}
+
+{% if haveltpposix %}
+==============================================================================================================
+Ltp Posix Result Summary
+==============================================================================================================
+--------------------------------------------------------------------------------------------------------------
+{{ 'Recipe'.ljust(maxlen['ltpposixtest']) }} | {{ 'Passed'.ljust(maxlen['passed']) }} | {{ 'Failed'.ljust(maxlen['failed']) }} | {{ 'Skipped'.ljust(maxlen['skipped']) }} | {{ 'Time(s)'.ljust(10) }}
+--------------------------------------------------------------------------------------------------------------
+{% for ltpposixtest in ltpposixtests |sort %}
+{{ ltpposixtest.ljust(maxlen['ltpposixtest']) }} | {{ (ltpposixtests[ltpposixtest]['passed']|string).ljust(maxlen['passed']) }} | {{ (ltpposixtests[ltpposixtest]['failed']|string).ljust(maxlen['failed']) }} | {{ (ltpposixtests[ltpposixtest]['skipped']|string).ljust(maxlen['skipped']) }} | {{ (ltpposixtests[ltpposixtest]['duration']|string) }}
+{% endfor %}
+--------------------------------------------------------------------------------------------------------------
+
+{% else %}
+There was no LTP Posix Test data
+{% endif %}
+
+
+
 ==============================================================================================================
 Failed test cases (sorted by testseries, ID)
 ==============================================================================================================
diff --git a/poky/scripts/lib/scriptpath.py b/poky/scripts/lib/scriptpath.py
index d00317e..f32326d 100644
--- a/poky/scripts/lib/scriptpath.py
+++ b/poky/scripts/lib/scriptpath.py
@@ -3,18 +3,8 @@
 # Copyright (C) 2012-2014 Intel Corporation
 # Copyright (C) 2011 Mentor Graphics Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/lib/scriptutils.py b/poky/scripts/lib/scriptutils.py
index 0633c70..e7e7021 100644
--- a/poky/scripts/lib/scriptutils.py
+++ b/poky/scripts/lib/scriptutils.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2014 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import argparse
 import glob
diff --git a/poky/scripts/lib/wic/__init__.py b/poky/scripts/lib/wic/__init__.py
index 85876b1..ba2d614 100644
--- a/poky/scripts/lib/wic/__init__.py
+++ b/poky/scripts/lib/wic/__init__.py
@@ -3,18 +3,8 @@
 # Copyright (c) 2007 Red Hat, Inc.
 # Copyright (c) 2011 Intel, Inc.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; version 2 of the License
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc., 59
-# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 class WicError(Exception):
     pass
diff --git a/poky/scripts/lib/wic/engine.py b/poky/scripts/lib/wic/engine.py
index ab33fa6..42e93c3 100644
--- a/poky/scripts/lib/wic/engine.py
+++ b/poky/scripts/lib/wic/engine.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 
diff --git a/poky/scripts/lib/wic/filemap.py b/poky/scripts/lib/wic/filemap.py
index abbf958..244c07a 100644
--- a/poky/scripts/lib/wic/filemap.py
+++ b/poky/scripts/lib/wic/filemap.py
@@ -1,13 +1,8 @@
+#
 # Copyright (c) 2012 Intel, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License, version 2,
-# as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
 
 """
 This module implements python implements a way to get file block. Two methods
diff --git a/poky/scripts/lib/wic/help.py b/poky/scripts/lib/wic/help.py
index 64f0805..3a40fc0 100644
--- a/poky/scripts/lib/wic/help.py
+++ b/poky/scripts/lib/wic/help.py
@@ -1,21 +1,6 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-#
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This module implements some basic help invocation functions along
diff --git a/poky/scripts/lib/wic/ksparser.py b/poky/scripts/lib/wic/ksparser.py
index 08baf76..6204821 100644
--- a/poky/scripts/lib/wic/ksparser.py
+++ b/poky/scripts/lib/wic/ksparser.py
@@ -1,21 +1,8 @@
 #!/usr/bin/env python -tt
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2016 Intel, Inc.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; version 2 of the License
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc., 59
-# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This module provides parser for kickstart format
diff --git a/poky/scripts/lib/wic/misc.py b/poky/scripts/lib/wic/misc.py
index ee888b4..1f199b9 100644
--- a/poky/scripts/lib/wic/misc.py
+++ b/poky/scripts/lib/wic/misc.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This module provides a place to collect various wic-related utils
diff --git a/poky/scripts/lib/wic/partition.py b/poky/scripts/lib/wic/partition.py
index ca206ec..01466b2 100644
--- a/poky/scripts/lib/wic/partition.py
+++ b/poky/scripts/lib/wic/partition.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2013-2016 Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This module provides the OpenEmbedded partition object definitions.
@@ -322,7 +308,7 @@
 
         dosfs_cmd = "mkdosfs %s -i %s %s %s -C %s %d" % \
                     (label_str, self.fsuuid, size_str, extraopts, rootfs,
-                     max(8250, rootfs_size))
+                     rootfs_size)
         exec_native_cmd(dosfs_cmd, native_sysroot)
 
         mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (rootfs, rootfs_dir)
diff --git a/poky/scripts/lib/wic/pluginbase.py b/poky/scripts/lib/wic/pluginbase.py
index 686d2fe..bfb73ca 100644
--- a/poky/scripts/lib/wic/pluginbase.py
+++ b/poky/scripts/lib/wic/pluginbase.py
@@ -2,18 +2,8 @@
 #
 # Copyright (c) 2011 Intel, Inc.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; version 2 of the License
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc., 59
-# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 __all__ = ['ImagerPlugin', 'SourcePlugin']
 
diff --git a/poky/scripts/lib/wic/plugins/imager/direct.py b/poky/scripts/lib/wic/plugins/imager/direct.py
index bb14a33..67addef 100644
--- a/poky/scripts/lib/wic/plugins/imager/direct.py
+++ b/poky/scripts/lib/wic/plugins/imager/direct.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'direct' imager plugin class for 'wic'
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-efi.py b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
index 83a7e18..652323f 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2014, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'bootimg-efi' source plugin class for 'wic'
@@ -258,8 +244,10 @@
         # dosfs image, created by mkdosfs
         bootimg = "%s/boot.img" % cr_workdir
 
-        dosfs_cmd = "mkdosfs -n efi -i %s -C %s %d" % \
-                    (part.fsuuid, bootimg, blocks)
+        label = part.label if part.label else "ESP"
+
+        dosfs_cmd = "mkdosfs -n %s -i %s -C %s %d" % \
+                    (label, part.fsuuid, bootimg, blocks)
         exec_native_cmd(dosfs_cmd, native_sysroot)
 
         mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-partition.py b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
index ddc880b..138986a 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
@@ -1,18 +1,5 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'bootimg-partition' source plugin class for
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
index 9347aa7..6c9f54a 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2014, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'bootimg-pcbios' source plugin class for 'wic'
diff --git a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
index 170077c..96d07ff 100644
--- a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
+++ b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
@@ -1,18 +1,5 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'isoimage-isohybrid' source plugin class for 'wic'
diff --git a/poky/scripts/lib/wic/plugins/source/rawcopy.py b/poky/scripts/lib/wic/plugins/source/rawcopy.py
index e86398a..df86d67 100644
--- a/poky/scripts/lib/wic/plugins/source/rawcopy.py
+++ b/poky/scripts/lib/wic/plugins/source/rawcopy.py
@@ -1,18 +1,5 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import logging
diff --git a/poky/scripts/lib/wic/plugins/source/rootfs.py b/poky/scripts/lib/wic/plugins/source/rootfs.py
index aec720f..e26e95b 100644
--- a/poky/scripts/lib/wic/plugins/source/rootfs.py
+++ b/poky/scripts/lib/wic/plugins/source/rootfs.py
@@ -1,21 +1,7 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2014, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This implements the 'rootfs' source plugin class for 'wic'
diff --git a/poky/scripts/lnr b/poky/scripts/lnr
index 5fed780..a2ac4fe 100755
--- a/poky/scripts/lnr
+++ b/poky/scripts/lnr
@@ -1,4 +1,7 @@
 #! /usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 # Create a *relative* symlink, just like ln --relative does but without needing
 # coreutils 8.16.
diff --git a/poky/scripts/multilib_header_wrapper.h b/poky/scripts/multilib_header_wrapper.h
index 4824790..c81e7ee 100644
--- a/poky/scripts/multilib_header_wrapper.h
+++ b/poky/scripts/multilib_header_wrapper.h
@@ -1,23 +1,7 @@
 /*
  * Copyright (C) 2005-2011 by Wind River Systems, Inc.
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
  * 
  */
 
diff --git a/poky/scripts/native-intercept/chown b/poky/scripts/native-intercept/chown
index 4f43271..399c979 100755
--- a/poky/scripts/native-intercept/chown
+++ b/poky/scripts/native-intercept/chown
@@ -1,2 +1,5 @@
 #! /bin/sh
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 echo "Intercept $0: $@ -- do nothing"
diff --git a/poky/scripts/oe-build-perf-report b/poky/scripts/oe-build-perf-report
index f6fb458..21bde7e 100755
--- a/poky/scripts/oe-build-perf-report
+++ b/poky/scripts/oe-build-perf-report
@@ -4,15 +4,9 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import argparse
 import json
 import logging
diff --git a/poky/scripts/oe-build-perf-test b/poky/scripts/oe-build-perf-test
index 669470f..0b13f24 100755
--- a/poky/scripts/oe-build-perf-test
+++ b/poky/scripts/oe-build-perf-test
@@ -4,16 +4,9 @@
 #
 # Copyright (c) 2016, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-"""Build performance test script"""
+
 import argparse
 import errno
 import fcntl
diff --git a/poky/scripts/oe-buildenv-internal b/poky/scripts/oe-buildenv-internal
index 52ce329..96bb0c3 100755
--- a/poky/scripts/oe-buildenv-internal
+++ b/poky/scripts/oe-buildenv-internal
@@ -4,19 +4,8 @@
 #
 # Copyright (C) 2006-2011 Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 if ! $(return >/dev/null 2>&1) ; then
     echo 'oe-buildenv-internal: error: this script must be sourced'
diff --git a/poky/scripts/oe-check-sstate b/poky/scripts/oe-check-sstate
index d06efe4..ca249ca 100755
--- a/poky/scripts/oe-check-sstate
+++ b/poky/scripts/oe-check-sstate
@@ -5,18 +5,8 @@
 # Copyright 2016 Intel Corporation
 # Authored-by:  Paul Eggleton <paul.eggleton@intel.com>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/oe-depends-dot b/poky/scripts/oe-depends-dot
index 6c7e9d3..5eb3e12 100755
--- a/poky/scripts/oe-depends-dot
+++ b/poky/scripts/oe-depends-dot
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2018 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 import os
 import sys
diff --git a/poky/scripts/oe-find-native-sysroot b/poky/scripts/oe-find-native-sysroot
index cc146b3..5146bbf 100755
--- a/poky/scripts/oe-find-native-sysroot
+++ b/poky/scripts/oe-find-native-sysroot
@@ -17,18 +17,8 @@
 #
 # Copyright (c) 2010 Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 if [ "$1" = '--help' -o "$1" = '-h' -o $# -ne 1 ] ; then
     echo 'Usage: oe-find-native-sysroot <recipe> [-h|--help]'
diff --git a/poky/scripts/oe-git-archive b/poky/scripts/oe-git-archive
index ab1c2b9..9305ed0 100755
--- a/poky/scripts/oe-git-archive
+++ b/poky/scripts/oe-git-archive
@@ -4,15 +4,9 @@
 #
 # Copyright (c) 2017, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
+
 import argparse
 import logging
 import os
diff --git a/poky/scripts/oe-git-proxy b/poky/scripts/oe-git-proxy
index 1800942..bb2ed2a 100755
--- a/poky/scripts/oe-git-proxy
+++ b/poky/scripts/oe-git-proxy
@@ -13,7 +13,8 @@
 # ALL_PROXY=https://proxy.example.com:8080
 #
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
+#
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # AUTHORS
 # Darren Hart <dvhart@linux.intel.com>
diff --git a/poky/scripts/oe-gnome-terminal-phonehome b/poky/scripts/oe-gnome-terminal-phonehome
index e023548..b6b9a38 100755
--- a/poky/scripts/oe-gnome-terminal-phonehome
+++ b/poky/scripts/oe-gnome-terminal-phonehome
@@ -1,5 +1,7 @@
 #!/bin/sh
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Gnome terminal won't tell us which PID a given command is run as 
 # or allow a single instance so we can't tell when it completes.
 # This allows us to figure out the PID of the target so we can tell 
diff --git a/poky/scripts/oe-pkgdata-util b/poky/scripts/oe-pkgdata-util
index 53739b0..9cc78d1 100755
--- a/poky/scripts/oe-pkgdata-util
+++ b/poky/scripts/oe-pkgdata-util
@@ -6,18 +6,7 @@
 #
 # Copyright 2012-2015 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import sys
diff --git a/poky/scripts/oe-publish-sdk b/poky/scripts/oe-publish-sdk
index ee33acf..4b70f43 100755
--- a/poky/scripts/oe-publish-sdk
+++ b/poky/scripts/oe-publish-sdk
@@ -1,21 +1,11 @@
 #!/usr/bin/env python3
-
+#
 # OpenEmbedded SDK publishing tool
-
+#
 # Copyright (C) 2015-2016 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/oe-pylint b/poky/scripts/oe-pylint
index 74ff4b8..7cc1ccb 100755
--- a/poky/scripts/oe-pylint
+++ b/poky/scripts/oe-pylint
@@ -1,5 +1,7 @@
 #!/bin/bash
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Run the pylint3 against our common python module spaces and print a report of potential issues
 #
 this_dir=$(dirname $(readlink -f $0))
diff --git a/poky/scripts/oe-run-native b/poky/scripts/oe-run-native
index a29e994..bea5d69 100755
--- a/poky/scripts/oe-run-native
+++ b/poky/scripts/oe-run-native
@@ -1,20 +1,8 @@
 #!/bin/bash
 #
 # Copyright (c) 2016,  Intel Corporation.
-# All Rights Reserved
 #
-# This program is free software;  you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY;  without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
-# the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program;  if not, see <http://www.gnu.org/licenses/>
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 
 #
diff --git a/poky/scripts/oe-selftest b/poky/scripts/oe-selftest
index 1bf860a..57662b2 100755
--- a/poky/scripts/oe-selftest
+++ b/poky/scripts/oe-selftest
@@ -2,18 +2,8 @@
 
 # Copyright (c) 2013-2017 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 # DESCRIPTION
 # This script runs tests defined in meta/lib/oeqa/selftest/
diff --git a/poky/scripts/oe-setup-builddir b/poky/scripts/oe-setup-builddir
index 55d73ca..30eaa8e 100755
--- a/poky/scripts/oe-setup-builddir
+++ b/poky/scripts/oe-setup-builddir
@@ -4,19 +4,8 @@
 #
 # Copyright (C) 2006-2011 Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 if [ -z "$BUILDDIR" ]; then
     echo >&2 "Error: The build directory (BUILDDIR) must be set!"
diff --git a/poky/scripts/oe-test b/poky/scripts/oe-test
index 34d9012..55985b0 100755
--- a/poky/scripts/oe-test
+++ b/poky/scripts/oe-test
@@ -3,7 +3,9 @@
 # OpenEmbedded test tool
 #
 # Copyright (C) 2016 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import sys
diff --git a/poky/scripts/oe-trim-schemas b/poky/scripts/oe-trim-schemas
index 7c199ef..bf77c8c 100755
--- a/poky/scripts/oe-trim-schemas
+++ b/poky/scripts/oe-trim-schemas
@@ -1,4 +1,7 @@
 #! /usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import sys
 try:
diff --git a/poky/scripts/oepydevshell-internal.py b/poky/scripts/oepydevshell-internal.py
index 2f7d5d4..96c078e 100755
--- a/poky/scripts/oepydevshell-internal.py
+++ b/poky/scripts/oepydevshell-internal.py
@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import os
 import sys
diff --git a/poky/scripts/opkg-query-helper.py b/poky/scripts/opkg-query-helper.py
index ce89491..bc3ab43 100755
--- a/poky/scripts/opkg-query-helper.py
+++ b/poky/scripts/opkg-query-helper.py
@@ -6,21 +6,8 @@
 #
 # Copyright 2012 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-#
-#
-
 
 import sys
 import fileinput
diff --git a/poky/scripts/postinst-intercepts/delay_to_first_boot b/poky/scripts/postinst-intercepts/delay_to_first_boot
index ecdbef9..fa8e1ca 100644
--- a/poky/scripts/postinst-intercepts/delay_to_first_boot
+++ b/poky/scripts/postinst-intercepts/delay_to_first_boot
@@ -1,2 +1,6 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
+
 exit 1
diff --git a/poky/scripts/postinst-intercepts/postinst_intercept b/poky/scripts/postinst-intercepts/postinst_intercept
index b18e806..b91974c 100755
--- a/poky/scripts/postinst-intercepts/postinst_intercept
+++ b/poky/scripts/postinst-intercepts/postinst_intercept
@@ -1,5 +1,7 @@
 #!/bin/sh
 #
+# SPDX-License-Identifier: MIT
+#
 # This script is called from inside postinstall scriptlets at do_rootfs time. It
 # actually adds, at the end, the list of packages for which the intercept script
 # is valid. Also, if one wants to pass any variables to the intercept script from
diff --git a/poky/scripts/postinst-intercepts/update_font_cache b/poky/scripts/postinst-intercepts/update_font_cache
index e0ec471..3053c70 100644
--- a/poky/scripts/postinst-intercepts/update_font_cache
+++ b/poky/scripts/postinst-intercepts/update_font_cache
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/postinst-intercepts/update_gio_module_cache b/poky/scripts/postinst-intercepts/update_gio_module_cache
index d1f0140..c87fa85 100644
--- a/poky/scripts/postinst-intercepts/update_gio_module_cache
+++ b/poky/scripts/postinst-intercepts/update_gio_module_cache
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/postinst-intercepts/update_gtk_immodules_cache b/poky/scripts/postinst-intercepts/update_gtk_immodules_cache
index 3955169..9f07ccc 100644
--- a/poky/scripts/postinst-intercepts/update_gtk_immodules_cache
+++ b/poky/scripts/postinst-intercepts/update_gtk_immodules_cache
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/postinst-intercepts/update_icon_cache b/poky/scripts/postinst-intercepts/update_icon_cache
index 9cf2a72..212209a 100644
--- a/poky/scripts/postinst-intercepts/update_icon_cache
+++ b/poky/scripts/postinst-intercepts/update_icon_cache
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/postinst-intercepts/update_pixbuf_cache b/poky/scripts/postinst-intercepts/update_pixbuf_cache
index ebea07c..ea12814 100644
--- a/poky/scripts/postinst-intercepts/update_pixbuf_cache
+++ b/poky/scripts/postinst-intercepts/update_pixbuf_cache
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/postinst-intercepts/update_udev_hwdb b/poky/scripts/postinst-intercepts/update_udev_hwdb
index b5cce0a..c4fb2bf 100644
--- a/poky/scripts/postinst-intercepts/update_udev_hwdb
+++ b/poky/scripts/postinst-intercepts/update_udev_hwdb
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# SPDX-License-Identifier: MIT
+#
 
 set -e
 
diff --git a/poky/scripts/pybootchartgui/pybootchartgui.py b/poky/scripts/pybootchartgui/pybootchartgui.py
index 7ce1a5b..1c4062b 100755
--- a/poky/scripts/pybootchartgui/pybootchartgui.py
+++ b/poky/scripts/pybootchartgui/pybootchartgui.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 #  This file is part of pybootchartgui.
 
diff --git a/poky/scripts/pybootchartgui/pybootchartgui/draw.py b/poky/scripts/pybootchartgui/pybootchartgui/draw.py
index 201ce45..add5c53 100644
--- a/poky/scripts/pybootchartgui/pybootchartgui/draw.py
+++ b/poky/scripts/pybootchartgui/pybootchartgui/draw.py
@@ -19,22 +19,23 @@
 import re
 import random
 import colorsys
+import functools
 from operator import itemgetter
 
 class RenderOptions:
 
-	def __init__(self, app_options):
-		# should we render a cumulative CPU time chart
-		self.cumulative = True
-		self.charts = True
-		self.kernel_only = False
-		self.app_options = app_options
+    def __init__(self, app_options):
+        # should we render a cumulative CPU time chart
+        self.cumulative = True
+        self.charts = True
+        self.kernel_only = False
+        self.app_options = app_options
 
-	def proc_tree (self, trace):
-		if self.kernel_only:
-			return trace.kernel_tree
-		else:
-			return trace.proc_tree
+    def proc_tree (self, trace):
+        if self.kernel_only:
+            return trace.kernel_tree
+        else:
+            return trace.proc_tree
 
 # Process tree background color.
 BACK_COLOR = (1.0, 1.0, 1.0, 1.0)
@@ -136,11 +137,11 @@
 # Distinct colors used for different disk volumnes.
 # If we have more volumns, colors get re-used.
 VOLUME_COLORS = [
-	(1.0, 1.0, 0.00, 1.0),
-	(0.0, 1.00, 0.00, 1.0),
-	(1.0, 0.00, 1.00, 1.0),
-	(0.0, 0.00, 1.00, 1.0),
-	(0.0, 1.00, 1.00, 1.0),
+    (1.0, 1.0, 0.00, 1.0),
+    (0.0, 1.00, 0.00, 1.0),
+    (1.0, 0.00, 1.00, 1.0),
+    (0.0, 0.00, 1.00, 1.0),
+    (0.0, 1.00, 1.00, 1.0),
 ]
 
 # Process states
@@ -152,7 +153,7 @@
 STATE_ZOMBIE    = 5
 
 STATE_COLORS = [(0, 0, 0, 0), PROC_COLOR_R, PROC_COLOR_S, PROC_COLOR_D, \
-		PROC_COLOR_T, PROC_COLOR_Z, PROC_COLOR_X, PROC_COLOR_W]
+        PROC_COLOR_T, PROC_COLOR_Z, PROC_COLOR_X, PROC_COLOR_W]
 
 # CumulativeStats Types
 STAT_TYPE_CPU = 0
@@ -160,80 +161,80 @@
 
 # Convert ps process state to an int
 def get_proc_state(flag):
-	return "RSDTZXW".find(flag) + 1
+    return "RSDTZXW".find(flag) + 1
 
 def draw_text(ctx, text, color, x, y):
-	ctx.set_source_rgba(*color)
-	ctx.move_to(x, y)
-	ctx.show_text(text)
+    ctx.set_source_rgba(*color)
+    ctx.move_to(x, y)
+    ctx.show_text(text)
 
 def draw_fill_rect(ctx, color, rect):
-	ctx.set_source_rgba(*color)
-	ctx.rectangle(*rect)
-	ctx.fill()
+    ctx.set_source_rgba(*color)
+    ctx.rectangle(*rect)
+    ctx.fill()
 
 def draw_rect(ctx, color, rect):
-	ctx.set_source_rgba(*color)
-	ctx.rectangle(*rect)
-	ctx.stroke()
+    ctx.set_source_rgba(*color)
+    ctx.rectangle(*rect)
+    ctx.stroke()
 
 def draw_legend_box(ctx, label, fill_color, x, y, s):
-	draw_fill_rect(ctx, fill_color, (x, y - s, s, s))
-	draw_rect(ctx, PROC_BORDER_COLOR, (x, y - s, s, s))
-	draw_text(ctx, label, TEXT_COLOR, x + s + 5, y)
+    draw_fill_rect(ctx, fill_color, (x, y - s, s, s))
+    draw_rect(ctx, PROC_BORDER_COLOR, (x, y - s, s, s))
+    draw_text(ctx, label, TEXT_COLOR, x + s + 5, y)
 
 def draw_legend_line(ctx, label, fill_color, x, y, s):
-	draw_fill_rect(ctx, fill_color, (x, y - s/2, s + 1, 3))
-	ctx.arc(x + (s + 1)/2.0, y - (s - 3)/2.0, 2.5, 0, 2.0 * math.pi)
-	ctx.fill()
-	draw_text(ctx, label, TEXT_COLOR, x + s + 5, y)
+    draw_fill_rect(ctx, fill_color, (x, y - s/2, s + 1, 3))
+    ctx.arc(x + (s + 1)/2.0, y - (s - 3)/2.0, 2.5, 0, 2.0 * math.pi)
+    ctx.fill()
+    draw_text(ctx, label, TEXT_COLOR, x + s + 5, y)
 
 def draw_label_in_box(ctx, color, label, x, y, w, maxx):
-	label_w = ctx.text_extents(label)[2]
-	label_x = x + w / 2 - label_w / 2
-	if label_w + 10 > w:
-		label_x = x + w + 5
-	if label_x + label_w > maxx:
-		label_x = x - label_w - 5
-	draw_text(ctx, label, color, label_x, y)
+    label_w = ctx.text_extents(label)[2]
+    label_x = x + w / 2 - label_w / 2
+    if label_w + 10 > w:
+        label_x = x + w + 5
+    if label_x + label_w > maxx:
+        label_x = x - label_w - 5
+    draw_text(ctx, label, color, label_x, y)
 
 def draw_sec_labels(ctx, options, rect, sec_w, nsecs):
-	ctx.set_font_size(AXIS_FONT_SIZE)
-	prev_x = 0
-	for i in range(0, rect[2] + 1, sec_w):
-		if ((i / sec_w) % nsecs == 0) :
-			if options.app_options.as_minutes :
-				label = "%.1f" % (i / sec_w / 60.0)
-			else :
-				label = "%d" % (i / sec_w)
-			label_w = ctx.text_extents(label)[2]
-			x = rect[0] + i - label_w/2
-			if x >= prev_x:
-				draw_text(ctx, label, TEXT_COLOR, x, rect[1] - 2)
-				prev_x = x + label_w
+    ctx.set_font_size(AXIS_FONT_SIZE)
+    prev_x = 0
+    for i in range(0, rect[2] + 1, sec_w):
+        if ((i / sec_w) % nsecs == 0) :
+            if options.app_options.as_minutes :
+                label = "%.1f" % (i / sec_w / 60.0)
+            else :
+                label = "%d" % (i / sec_w)
+            label_w = ctx.text_extents(label)[2]
+            x = rect[0] + i - label_w/2
+            if x >= prev_x:
+                draw_text(ctx, label, TEXT_COLOR, x, rect[1] - 2)
+                prev_x = x + label_w
 
 def draw_box_ticks(ctx, rect, sec_w):
-	draw_rect(ctx, BORDER_COLOR, tuple(rect))
+    draw_rect(ctx, BORDER_COLOR, tuple(rect))
 
-	ctx.set_line_cap(cairo.LINE_CAP_SQUARE)
+    ctx.set_line_cap(cairo.LINE_CAP_SQUARE)
 
-	for i in range(sec_w, rect[2] + 1, sec_w):
-		if ((i / sec_w) % 10 == 0) :
-			ctx.set_line_width(1.5)
-		elif sec_w < 5 :
-			continue
-		else :
-			ctx.set_line_width(1.0)
-		if ((i / sec_w) % 30 == 0) :
-			ctx.set_source_rgba(*TICK_COLOR_BOLD)
-		else :
-			ctx.set_source_rgba(*TICK_COLOR)
-		ctx.move_to(rect[0] + i, rect[1] + 1)
-		ctx.line_to(rect[0] + i, rect[1] + rect[3] - 1)
-		ctx.stroke()
-	ctx.set_line_width(1.0)
+    for i in range(sec_w, rect[2] + 1, sec_w):
+        if ((i / sec_w) % 10 == 0) :
+            ctx.set_line_width(1.5)
+        elif sec_w < 5 :
+            continue
+        else :
+            ctx.set_line_width(1.0)
+        if ((i / sec_w) % 30 == 0) :
+            ctx.set_source_rgba(*TICK_COLOR_BOLD)
+        else :
+            ctx.set_source_rgba(*TICK_COLOR)
+        ctx.move_to(rect[0] + i, rect[1] + 1)
+        ctx.line_to(rect[0] + i, rect[1] + rect[3] - 1)
+        ctx.stroke()
+    ctx.set_line_width(1.0)
 
-	ctx.set_line_cap(cairo.LINE_CAP_BUTT)
+    ctx.set_line_cap(cairo.LINE_CAP_BUTT)
 
 def draw_annotations(ctx, proc_tree, times, rect):
     ctx.set_line_cap(cairo.LINE_CAP_SQUARE)
@@ -252,51 +253,51 @@
     ctx.set_dash([])
 
 def draw_chart(ctx, color, fill, chart_bounds, data, proc_tree, data_range):
-	ctx.set_line_width(0.5)
-	x_shift = proc_tree.start_time
+    ctx.set_line_width(0.5)
+    x_shift = proc_tree.start_time
 
-	def transform_point_coords(point, x_base, y_base, \
-				   xscale, yscale, x_trans, y_trans):
-		x = (point[0] - x_base) * xscale + x_trans
-		y = (point[1] - y_base) * -yscale + y_trans + chart_bounds[3]
-		return x, y
+    def transform_point_coords(point, x_base, y_base, \
+                   xscale, yscale, x_trans, y_trans):
+        x = (point[0] - x_base) * xscale + x_trans
+        y = (point[1] - y_base) * -yscale + y_trans + chart_bounds[3]
+        return x, y
 
-	max_x = max (x for (x, y) in data)
-	max_y = max (y for (x, y) in data)
-	# avoid divide by zero
-	if max_y == 0:
-		max_y = 1.0
-	xscale = float (chart_bounds[2]) / (max_x - x_shift)
-	# If data_range is given, scale the chart so that the value range in
-	# data_range matches the chart bounds exactly.
-	# Otherwise, scale so that the actual data matches the chart bounds.
-	if data_range:
-		yscale = float(chart_bounds[3]) / (data_range[1] - data_range[0])
-		ybase = data_range[0]
-	else:
-		yscale = float(chart_bounds[3]) / max_y
-		ybase = 0
+    max_x = max (x for (x, y) in data)
+    max_y = max (y for (x, y) in data)
+    # avoid divide by zero
+    if max_y == 0:
+        max_y = 1.0
+    xscale = float (chart_bounds[2]) / (max_x - x_shift)
+    # If data_range is given, scale the chart so that the value range in
+    # data_range matches the chart bounds exactly.
+    # Otherwise, scale so that the actual data matches the chart bounds.
+    if data_range:
+        yscale = float(chart_bounds[3]) / (data_range[1] - data_range[0])
+        ybase = data_range[0]
+    else:
+        yscale = float(chart_bounds[3]) / max_y
+        ybase = 0
 
-	first = transform_point_coords (data[0], x_shift, ybase, xscale, yscale, \
-				        chart_bounds[0], chart_bounds[1])
-	last =  transform_point_coords (data[-1], x_shift, ybase, xscale, yscale, \
-				        chart_bounds[0], chart_bounds[1])
+    first = transform_point_coords (data[0], x_shift, ybase, xscale, yscale, \
+                        chart_bounds[0], chart_bounds[1])
+    last =  transform_point_coords (data[-1], x_shift, ybase, xscale, yscale, \
+                        chart_bounds[0], chart_bounds[1])
 
-	ctx.set_source_rgba(*color)
-	ctx.move_to(*first)
-	for point in data:
-		x, y = transform_point_coords (point, x_shift, ybase, xscale, yscale, \
-					       chart_bounds[0], chart_bounds[1])
-		ctx.line_to(x, y)
-	if fill:
-		ctx.stroke_preserve()
-		ctx.line_to(last[0], chart_bounds[1]+chart_bounds[3])
-		ctx.line_to(first[0], chart_bounds[1]+chart_bounds[3])
-		ctx.line_to(first[0], first[1])
-		ctx.fill()
-	else:
-		ctx.stroke()
-	ctx.set_line_width(1.0)
+    ctx.set_source_rgba(*color)
+    ctx.move_to(*first)
+    for point in data:
+        x, y = transform_point_coords (point, x_shift, ybase, xscale, yscale, \
+                           chart_bounds[0], chart_bounds[1])
+        ctx.line_to(x, y)
+    if fill:
+        ctx.stroke_preserve()
+        ctx.line_to(last[0], chart_bounds[1]+chart_bounds[3])
+        ctx.line_to(first[0], chart_bounds[1]+chart_bounds[3])
+        ctx.line_to(first[0], first[1])
+        ctx.fill()
+    else:
+        ctx.stroke()
+    ctx.set_line_width(1.0)
 
 bar_h = 55
 meminfo_bar_h = 2 * bar_h
@@ -311,338 +312,344 @@
 OPTIONS = None
 
 def extents(options, xscale, trace):
-	start = min(trace.start.keys())
-	end = start
+    start = min(trace.start.keys())
+    end = start
 
-        processes = 0
-        for proc in trace.processes:
-                if not options.app_options.show_all and \
-                   trace.processes[proc][1] - trace.processes[proc][0] < options.app_options.mintime:
-                        continue
+    processes = 0
+    for proc in trace.processes:
+        if not options.app_options.show_all and \
+               trace.processes[proc][1] - trace.processes[proc][0] < options.app_options.mintime:
+            continue
 
-                if trace.processes[proc][1] > end:
-                        end = trace.processes[proc][1]
-                processes += 1
+        if trace.processes[proc][1] > end:
+            end = trace.processes[proc][1]
+        processes += 1
 
-	if trace.min is not None and trace.max is not None:
-		start = trace.min
-		end = trace.max
+    if trace.min is not None and trace.max is not None:
+        start = trace.min
+        end = trace.max
 
-	w = int ((end - start) * sec_w_base * xscale) + 2 * off_x
-	h = proc_h * processes + header_h + 2 * off_y
+    w = int ((end - start) * sec_w_base * xscale) + 2 * off_x
+    h = proc_h * processes + header_h + 2 * off_y
 
-	if options.charts:
-		if trace.cpu_stats:
-			h += 30 + bar_h
-		if trace.disk_stats:
-			h += 30 + bar_h
-		if trace.monitor_disk:
-			h += 30 + bar_h
-		if trace.mem_stats:
-			h += meminfo_bar_h
+    if options.charts:
+        if trace.cpu_stats:
+            h += 30 + bar_h
+        if trace.disk_stats:
+            h += 30 + bar_h
+        if trace.monitor_disk:
+            h += 30 + bar_h
+        if trace.mem_stats:
+            h += meminfo_bar_h
 
-	return (w, h)
+    # Allow for width of process legend and offset
+    if w < (720 + off_x):
+        w = 720 + off_x
+
+    return (w, h)
 
 def clip_visible(clip, rect):
-	xmax = max (clip[0], rect[0])
-	ymax = max (clip[1], rect[1])
-	xmin = min (clip[0] + clip[2], rect[0] + rect[2])
-	ymin = min (clip[1] + clip[3], rect[1] + rect[3])
-	return (xmin > xmax and ymin > ymax)
+    xmax = max (clip[0], rect[0])
+    ymax = max (clip[1], rect[1])
+    xmin = min (clip[0] + clip[2], rect[0] + rect[2])
+    ymin = min (clip[1] + clip[3], rect[1] + rect[3])
+    return (xmin > xmax and ymin > ymax)
 
 def render_charts(ctx, options, clip, trace, curr_y, w, h, sec_w):
-	proc_tree = options.proc_tree(trace)
+    proc_tree = options.proc_tree(trace)
 
-	# render bar legend
-	if trace.cpu_stats:
-		ctx.set_font_size(LEGEND_FONT_SIZE)
+    # render bar legend
+    if trace.cpu_stats:
+        ctx.set_font_size(LEGEND_FONT_SIZE)
 
-		draw_legend_box(ctx, "CPU (user+sys)", CPU_COLOR, off_x, curr_y+20, leg_s)
-		draw_legend_box(ctx, "I/O (wait)", IO_COLOR, off_x + 120, curr_y+20, leg_s)
+        draw_legend_box(ctx, "CPU (user+sys)", CPU_COLOR, off_x, curr_y+20, leg_s)
+        draw_legend_box(ctx, "I/O (wait)", IO_COLOR, off_x + 120, curr_y+20, leg_s)
 
-		# render I/O wait
-		chart_rect = (off_x, curr_y+30, w, bar_h)
-		if clip_visible (clip, chart_rect):
-			draw_box_ticks (ctx, chart_rect, sec_w)
-			draw_annotations (ctx, proc_tree, trace.times, chart_rect)
-			draw_chart (ctx, IO_COLOR, True, chart_rect, \
-				    [(sample.time, sample.user + sample.sys + sample.io) for sample in trace.cpu_stats], \
-				    proc_tree, None)
-			# render CPU load
-			draw_chart (ctx, CPU_COLOR, True, chart_rect, \
-				    [(sample.time, sample.user + sample.sys) for sample in trace.cpu_stats], \
-				    proc_tree, None)
+        # render I/O wait
+        chart_rect = (off_x, curr_y+30, w, bar_h)
+        if clip_visible (clip, chart_rect):
+            draw_box_ticks (ctx, chart_rect, sec_w)
+            draw_annotations (ctx, proc_tree, trace.times, chart_rect)
+            draw_chart (ctx, IO_COLOR, True, chart_rect, \
+                    [(sample.time, sample.user + sample.sys + sample.io) for sample in trace.cpu_stats], \
+                    proc_tree, None)
+            # render CPU load
+            draw_chart (ctx, CPU_COLOR, True, chart_rect, \
+                    [(sample.time, sample.user + sample.sys) for sample in trace.cpu_stats], \
+                    proc_tree, None)
 
-		curr_y = curr_y + 30 + bar_h
+        curr_y = curr_y + 30 + bar_h
 
-	# render second chart
-	if trace.disk_stats:
-		draw_legend_line(ctx, "Disk throughput", DISK_TPUT_COLOR, off_x, curr_y+20, leg_s)
-		draw_legend_box(ctx, "Disk utilization", IO_COLOR, off_x + 120, curr_y+20, leg_s)
+    # render second chart
+    if trace.disk_stats:
+        draw_legend_line(ctx, "Disk throughput", DISK_TPUT_COLOR, off_x, curr_y+20, leg_s)
+        draw_legend_box(ctx, "Disk utilization", IO_COLOR, off_x + 120, curr_y+20, leg_s)
 
-		# render I/O utilization
-		chart_rect = (off_x, curr_y+30, w, bar_h)
-		if clip_visible (clip, chart_rect):
-			draw_box_ticks (ctx, chart_rect, sec_w)
-			draw_annotations (ctx, proc_tree, trace.times, chart_rect)
-			draw_chart (ctx, IO_COLOR, True, chart_rect, \
-				    [(sample.time, sample.util) for sample in trace.disk_stats], \
-				    proc_tree, None)
+        # render I/O utilization
+        chart_rect = (off_x, curr_y+30, w, bar_h)
+        if clip_visible (clip, chart_rect):
+            draw_box_ticks (ctx, chart_rect, sec_w)
+            draw_annotations (ctx, proc_tree, trace.times, chart_rect)
+            draw_chart (ctx, IO_COLOR, True, chart_rect, \
+                    [(sample.time, sample.util) for sample in trace.disk_stats], \
+                    proc_tree, None)
 
-		# render disk throughput
-		max_sample = max (trace.disk_stats, key = lambda s: s.tput)
-		if clip_visible (clip, chart_rect):
-			draw_chart (ctx, DISK_TPUT_COLOR, False, chart_rect, \
-				    [(sample.time, sample.tput) for sample in trace.disk_stats], \
-				    proc_tree, None)
+        # render disk throughput
+        max_sample = max (trace.disk_stats, key = lambda s: s.tput)
+        if clip_visible (clip, chart_rect):
+            draw_chart (ctx, DISK_TPUT_COLOR, False, chart_rect, \
+                    [(sample.time, sample.tput) for sample in trace.disk_stats], \
+                    proc_tree, None)
 
-		pos_x = off_x + ((max_sample.time - proc_tree.start_time) * w / proc_tree.duration)
+        pos_x = off_x + ((max_sample.time - proc_tree.start_time) * w / proc_tree.duration)
 
-		shift_x, shift_y = -20, 20
-		if (pos_x < off_x + 245):
-			shift_x, shift_y = 5, 40
+        shift_x, shift_y = -20, 20
+        if (pos_x < off_x + 245):
+            shift_x, shift_y = 5, 40
 
-		label = "%dMB/s" % round ((max_sample.tput) / 1024.0)
-		draw_text (ctx, label, DISK_TPUT_COLOR, pos_x + shift_x, curr_y + shift_y)
+        label = "%dMB/s" % round ((max_sample.tput) / 1024.0)
+        draw_text (ctx, label, DISK_TPUT_COLOR, pos_x + shift_x, curr_y + shift_y)
 
-		curr_y = curr_y + 30 + bar_h
+        curr_y = curr_y + 30 + bar_h
 
-	# render disk space usage
-	#
-	# Draws the amount of disk space used on each volume relative to the
-	# lowest recorded amount. The graphs for each volume are stacked above
-	# each other so that total disk usage is visible.
-	if trace.monitor_disk:
-		ctx.set_font_size(LEGEND_FONT_SIZE)
-		# Determine set of volumes for which we have
-		# information and the minimal amount of used disk
-		# space for each. Currently samples are allowed to
-		# not have a values for all volumes; drawing could be
-		# made more efficient if that wasn't the case.
-		volumes = set()
-		min_used = {}
-		for sample in trace.monitor_disk:
-			for volume, used in sample.records.items():
-				volumes.add(volume)
-				if volume not in min_used or min_used[volume] > used:
-					min_used[volume] = used
-		volumes = sorted(list(volumes))
-		disk_scale = 0
-		for i, volume in enumerate(volumes):
-			volume_scale = max([sample.records[volume] - min_used[volume]
-			                    for sample in trace.monitor_disk
-			                    if volume in sample.records])
-			# Does not take length of volume name into account, but fixed offset
-			# works okay in practice.
-			draw_legend_box(ctx, '%s (max: %u MiB)' % (volume, volume_scale / 1024 / 1024),
-			                VOLUME_COLORS[i % len(VOLUME_COLORS)],
-			                off_x + i * 250, curr_y+20, leg_s)
-			disk_scale += volume_scale
+    # render disk space usage
+    #
+    # Draws the amount of disk space used on each volume relative to the
+    # lowest recorded amount. The graphs for each volume are stacked above
+    # each other so that total disk usage is visible.
+    if trace.monitor_disk:
+        ctx.set_font_size(LEGEND_FONT_SIZE)
+        # Determine set of volumes for which we have
+        # information and the minimal amount of used disk
+        # space for each. Currently samples are allowed to
+        # not have a values for all volumes; drawing could be
+        # made more efficient if that wasn't the case.
+        volumes = set()
+        min_used = {}
+        for sample in trace.monitor_disk:
+            for volume, used in sample.records.items():
+                volumes.add(volume)
+                if volume not in min_used or min_used[volume] > used:
+                    min_used[volume] = used
+        volumes = sorted(list(volumes))
+        disk_scale = 0
+        for i, volume in enumerate(volumes):
+            volume_scale = max([sample.records[volume] - min_used[volume]
+                                for sample in trace.monitor_disk
+                                if volume in sample.records])
+            # Does not take length of volume name into account, but fixed offset
+            # works okay in practice.
+            draw_legend_box(ctx, '%s (max: %u MiB)' % (volume, volume_scale / 1024 / 1024),
+                            VOLUME_COLORS[i % len(VOLUME_COLORS)],
+                            off_x + i * 250, curr_y+20, leg_s)
+            disk_scale += volume_scale
 
-		# render used amount of disk space
-		chart_rect = (off_x, curr_y+30, w, bar_h)
-		if clip_visible (clip, chart_rect):
-			draw_box_ticks (ctx, chart_rect, sec_w)
-			draw_annotations (ctx, proc_tree, trace.times, chart_rect)
-			for i in range(len(volumes), 0, -1):
-				draw_chart (ctx, VOLUME_COLORS[(i - 1) % len(VOLUME_COLORS)], True, chart_rect, \
-				            [(sample.time,
-				              # Sum up used space of all volumes including the current one
-				              # so that the graphs appear as stacked on top of each other.
-				              reduce(lambda x,y: x+y,
-				                     [sample.records[volume] - min_used[volume]
-				                      for volume in volumes[0:i]
-				                      if volume in sample.records],
-				                     0))
-				             for sample in trace.monitor_disk], \
-				            proc_tree, [0, disk_scale])
+        # render used amount of disk space
+        chart_rect = (off_x, curr_y+30, w, bar_h)
+        if clip_visible (clip, chart_rect):
+            draw_box_ticks (ctx, chart_rect, sec_w)
+            draw_annotations (ctx, proc_tree, trace.times, chart_rect)
+            for i in range(len(volumes), 0, -1):
+                draw_chart (ctx, VOLUME_COLORS[(i - 1) % len(VOLUME_COLORS)], True, chart_rect, \
+                            [(sample.time,
+                              # Sum up used space of all volumes including the current one
+                              # so that the graphs appear as stacked on top of each other.
+                              functools.reduce(lambda x,y: x+y,
+                                     [sample.records[volume] - min_used[volume]
+                                      for volume in volumes[0:i]
+                                      if volume in sample.records],
+                                     0))
+                             for sample in trace.monitor_disk], \
+                            proc_tree, [0, disk_scale])
 
-		curr_y = curr_y + 30 + bar_h
+        curr_y = curr_y + 30 + bar_h
 
-	# render mem usage
-	chart_rect = (off_x, curr_y+30, w, meminfo_bar_h)
-	mem_stats = trace.mem_stats
-	if mem_stats and clip_visible (clip, chart_rect):
-		mem_scale = max(sample.buffers for sample in mem_stats)
-		draw_legend_box(ctx, "Mem cached (scale: %u MiB)" % (float(mem_scale) / 1024), MEM_CACHED_COLOR, off_x, curr_y+20, leg_s)
-		draw_legend_box(ctx, "Used", MEM_USED_COLOR, off_x + 240, curr_y+20, leg_s)
-		draw_legend_box(ctx, "Buffers", MEM_BUFFERS_COLOR, off_x + 360, curr_y+20, leg_s)
-		draw_legend_line(ctx, "Swap (scale: %u MiB)" % max([(sample.swap)/1024 for sample in mem_stats]), \
-				 MEM_SWAP_COLOR, off_x + 480, curr_y+20, leg_s)
-		draw_box_ticks(ctx, chart_rect, sec_w)
-		draw_annotations(ctx, proc_tree, trace.times, chart_rect)
-		draw_chart(ctx, MEM_BUFFERS_COLOR, True, chart_rect, \
-			   [(sample.time, sample.buffers) for sample in trace.mem_stats], \
-			   proc_tree, [0, mem_scale])
-		draw_chart(ctx, MEM_USED_COLOR, True, chart_rect, \
-			   [(sample.time, sample.used) for sample in mem_stats], \
-			   proc_tree, [0, mem_scale])
-		draw_chart(ctx, MEM_CACHED_COLOR, True, chart_rect, \
-			   [(sample.time, sample.cached) for sample in mem_stats], \
-			   proc_tree, [0, mem_scale])
-		draw_chart(ctx, MEM_SWAP_COLOR, False, chart_rect, \
-			   [(sample.time, float(sample.swap)) for sample in mem_stats], \
-			   proc_tree, None)
+    # render mem usage
+    chart_rect = (off_x, curr_y+30, w, meminfo_bar_h)
+    mem_stats = trace.mem_stats
+    if mem_stats and clip_visible (clip, chart_rect):
+        mem_scale = max(sample.buffers for sample in mem_stats)
+        draw_legend_box(ctx, "Mem cached (scale: %u MiB)" % (float(mem_scale) / 1024), MEM_CACHED_COLOR, off_x, curr_y+20, leg_s)
+        draw_legend_box(ctx, "Used", MEM_USED_COLOR, off_x + 240, curr_y+20, leg_s)
+        draw_legend_box(ctx, "Buffers", MEM_BUFFERS_COLOR, off_x + 360, curr_y+20, leg_s)
+        draw_legend_line(ctx, "Swap (scale: %u MiB)" % max([(sample.swap)/1024 for sample in mem_stats]), \
+                 MEM_SWAP_COLOR, off_x + 480, curr_y+20, leg_s)
+        draw_box_ticks(ctx, chart_rect, sec_w)
+        draw_annotations(ctx, proc_tree, trace.times, chart_rect)
+        draw_chart(ctx, MEM_BUFFERS_COLOR, True, chart_rect, \
+               [(sample.time, sample.buffers) for sample in trace.mem_stats], \
+               proc_tree, [0, mem_scale])
+        draw_chart(ctx, MEM_USED_COLOR, True, chart_rect, \
+               [(sample.time, sample.used) for sample in mem_stats], \
+               proc_tree, [0, mem_scale])
+        draw_chart(ctx, MEM_CACHED_COLOR, True, chart_rect, \
+               [(sample.time, sample.cached) for sample in mem_stats], \
+               proc_tree, [0, mem_scale])
+        draw_chart(ctx, MEM_SWAP_COLOR, False, chart_rect, \
+               [(sample.time, float(sample.swap)) for sample in mem_stats], \
+               proc_tree, None)
 
-		curr_y = curr_y + meminfo_bar_h
+        curr_y = curr_y + meminfo_bar_h
 
-	return curr_y
+    return curr_y
 
 def render_processes_chart(ctx, options, trace, curr_y, w, h, sec_w):
-        chart_rect = [off_x, curr_y+header_h, w, h - 2 * off_y - header_h - leg_s + proc_h]
+    chart_rect = [off_x, curr_y+header_h, w, h - curr_y - 1 * off_y - header_h  ]
 
-	draw_legend_box (ctx, "Configure", \
-			 TASK_COLOR_CONFIGURE, off_x  , curr_y + 45, leg_s)
-	draw_legend_box (ctx, "Compile", \
-			 TASK_COLOR_COMPILE, off_x+120, curr_y + 45, leg_s)
-	draw_legend_box (ctx, "Install", \
-			 TASK_COLOR_INSTALL, off_x+240, curr_y + 45, leg_s)
-	draw_legend_box (ctx, "Populate Sysroot", \
-			 TASK_COLOR_SYSROOT, off_x+360, curr_y + 45, leg_s)
-	draw_legend_box (ctx, "Package", \
-			 TASK_COLOR_PACKAGE, off_x+480, curr_y + 45, leg_s)
-	draw_legend_box (ctx, "Package Write",
-			 TASK_COLOR_PACKAGE_WRITE, off_x+600, curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Configure", \
+             TASK_COLOR_CONFIGURE, off_x  , curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Compile", \
+             TASK_COLOR_COMPILE, off_x+120, curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Install", \
+             TASK_COLOR_INSTALL, off_x+240, curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Populate Sysroot", \
+             TASK_COLOR_SYSROOT, off_x+360, curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Package", \
+             TASK_COLOR_PACKAGE, off_x+480, curr_y + 45, leg_s)
+    draw_legend_box (ctx, "Package Write", \
+             TASK_COLOR_PACKAGE_WRITE, off_x+600, curr_y + 45, leg_s)
 
-	ctx.set_font_size(PROC_TEXT_FONT_SIZE)
+    ctx.set_font_size(PROC_TEXT_FONT_SIZE)
 
-	draw_box_ticks(ctx, chart_rect, sec_w)
-	draw_sec_labels(ctx, options, chart_rect, sec_w, 30)
+    draw_box_ticks(ctx, chart_rect, sec_w)
+    draw_sec_labels(ctx, options, chart_rect, sec_w, 30)
 
-	y = curr_y+header_h
+    y = curr_y+header_h
 
-        offset = trace.min or min(trace.start.keys())
-        for s in sorted(trace.start.keys()):
-            for val in sorted(trace.start[s]):
-                if not options.app_options.show_all and \
-                   trace.processes[val][1] - s < options.app_options.mintime:
-                    continue
-                task = val.split(":")[1]
-                #print val
-                #print trace.processes[val][1]
-                #print s
-                x = chart_rect[0] + (s - offset) * sec_w
-                w = ((trace.processes[val][1] - s) * sec_w)
+    offset = trace.min or min(trace.start.keys())
+    for start in sorted(trace.start.keys()):
+        for process in sorted(trace.start[start]):
+            if not options.app_options.show_all and \
+                    trace.processes[process][1] - start < options.app_options.mintime:
+                continue
+            task = process.split(":")[1]
 
-                #print "proc at %s %s %s %s" % (x, y, w, proc_h)
-                col = None
-                if task == "do_compile":
-                    col = TASK_COLOR_COMPILE
-                elif task == "do_configure":
-                    col = TASK_COLOR_CONFIGURE
-                elif task == "do_install":
-                    col = TASK_COLOR_INSTALL
-                elif task == "do_populate_sysroot":
-                    col = TASK_COLOR_SYSROOT
-                elif task == "do_package":
-                    col = TASK_COLOR_PACKAGE
-                elif task == "do_package_write_rpm" or \
+            #print(process)
+            #print(trace.processes[process][1])
+            #print(s)
+
+            x = chart_rect[0] + (start - offset) * sec_w
+            w = ((trace.processes[process][1] - start) * sec_w)
+
+            #print("proc at %s %s %s %s" % (x, y, w, proc_h))
+            col = None
+            if task == "do_compile":
+                col = TASK_COLOR_COMPILE
+            elif task == "do_configure":
+                col = TASK_COLOR_CONFIGURE
+            elif task == "do_install":
+                col = TASK_COLOR_INSTALL
+            elif task == "do_populate_sysroot":
+                col = TASK_COLOR_SYSROOT
+            elif task == "do_package":
+                col = TASK_COLOR_PACKAGE
+            elif task == "do_package_write_rpm" or \
                      task == "do_package_write_deb" or \
                      task == "do_package_write_ipk":
-                    col = TASK_COLOR_PACKAGE_WRITE
-                else:
-                    col = WHITE
+                col = TASK_COLOR_PACKAGE_WRITE
+            else:
+                col = WHITE
 
-                if col:
-                    draw_fill_rect(ctx, col, (x, y, w, proc_h))
-                draw_rect(ctx, PROC_BORDER_COLOR, (x, y, w, proc_h))
+            if col:
+                draw_fill_rect(ctx, col, (x, y, w, proc_h))
+            draw_rect(ctx, PROC_BORDER_COLOR, (x, y, w, proc_h))
 
-                draw_label_in_box(ctx, PROC_TEXT_COLOR, val, x, y + proc_h - 4, w, proc_h)
-                y = y + proc_h
+            draw_label_in_box(ctx, PROC_TEXT_COLOR, process, x, y + proc_h - 4, w, proc_h)
+            y = y + proc_h
 
-	return curr_y
+    return curr_y
 
 #
 # Render the chart.
 #
 def render(ctx, options, xscale, trace):
-	(w, h) = extents (options, xscale, trace)
-	global OPTIONS
-	OPTIONS = options.app_options
+    (w, h) = extents (options, xscale, trace)
+    global OPTIONS
+    OPTIONS = options.app_options
 
-	# x, y, w, h
-	clip = ctx.clip_extents()
+    # x, y, w, h
+    clip = ctx.clip_extents()
 
-	sec_w = int (xscale * sec_w_base)
-	ctx.set_line_width(1.0)
-	ctx.select_font_face(FONT_NAME)
-	draw_fill_rect(ctx, WHITE, (0, 0, max(w, MIN_IMG_W), h))
-	w -= 2*off_x
-	curr_y = off_y;
+    sec_w = int (xscale * sec_w_base)
+    ctx.set_line_width(1.0)
+    ctx.select_font_face(FONT_NAME)
+    draw_fill_rect(ctx, WHITE, (0, 0, max(w, MIN_IMG_W), h))
+    w -= 2*off_x
+    curr_y = off_y;
 
-	if options.charts:
-		curr_y = render_charts (ctx, options, clip, trace, curr_y, w, h, sec_w)
+    if options.charts:
+        curr_y = render_charts (ctx, options, clip, trace, curr_y, w, h, sec_w)
 
-	curr_y = render_processes_chart (ctx, options, trace, curr_y, w, h, sec_w)
+    curr_y = render_processes_chart (ctx, options, trace, curr_y, w, h, sec_w)
 
-	return
+    return
 
-	proc_tree = options.proc_tree (trace)
+    proc_tree = options.proc_tree (trace)
 
-	# draw the title and headers
-	if proc_tree.idle:
-		duration = proc_tree.idle
-	else:
-		duration = proc_tree.duration
+    # draw the title and headers
+    if proc_tree.idle:
+        duration = proc_tree.idle
+    else:
+        duration = proc_tree.duration
 
-	if not options.kernel_only:
-		curr_y = draw_header (ctx, trace.headers, duration)
-	else:
-		curr_y = off_y;
+    if not options.kernel_only:
+        curr_y = draw_header (ctx, trace.headers, duration)
+    else:
+        curr_y = off_y;
 
-	# draw process boxes
-	proc_height = h
-	if proc_tree.taskstats and options.cumulative:
-		proc_height -= CUML_HEIGHT
+    # draw process boxes
+    proc_height = h
+    if proc_tree.taskstats and options.cumulative:
+        proc_height -= CUML_HEIGHT
 
-	draw_process_bar_chart(ctx, clip, options, proc_tree, trace.times,
-			       curr_y, w, proc_height, sec_w)
+    draw_process_bar_chart(ctx, clip, options, proc_tree, trace.times,
+                   curr_y, w, proc_height, sec_w)
 
-	curr_y = proc_height
-	ctx.set_font_size(SIG_FONT_SIZE)
-	draw_text(ctx, SIGNATURE, SIG_COLOR, off_x + 5, proc_height - 8)
+    curr_y = proc_height
+    ctx.set_font_size(SIG_FONT_SIZE)
+    draw_text(ctx, SIGNATURE, SIG_COLOR, off_x + 5, proc_height - 8)
 
-	# draw a cumulative CPU-time-per-process graph
-	if proc_tree.taskstats and options.cumulative:
-		cuml_rect = (off_x, curr_y + off_y, w, CUML_HEIGHT/2 - off_y * 2)
-		if clip_visible (clip, cuml_rect):
-			draw_cuml_graph(ctx, proc_tree, cuml_rect, duration, sec_w, STAT_TYPE_CPU)
+    # draw a cumulative CPU-time-per-process graph
+    if proc_tree.taskstats and options.cumulative:
+        cuml_rect = (off_x, curr_y + off_y, w, CUML_HEIGHT/2 - off_y * 2)
+        if clip_visible (clip, cuml_rect):
+            draw_cuml_graph(ctx, proc_tree, cuml_rect, duration, sec_w, STAT_TYPE_CPU)
 
-	# draw a cumulative I/O-time-per-process graph
-	if proc_tree.taskstats and options.cumulative:
-		cuml_rect = (off_x, curr_y + off_y * 100, w, CUML_HEIGHT/2 - off_y * 2)
-		if clip_visible (clip, cuml_rect):
-			draw_cuml_graph(ctx, proc_tree, cuml_rect, duration, sec_w, STAT_TYPE_IO)
+    # draw a cumulative I/O-time-per-process graph
+    if proc_tree.taskstats and options.cumulative:
+        cuml_rect = (off_x, curr_y + off_y * 100, w, CUML_HEIGHT/2 - off_y * 2)
+        if clip_visible (clip, cuml_rect):
+            draw_cuml_graph(ctx, proc_tree, cuml_rect, duration, sec_w, STAT_TYPE_IO)
 
 def draw_process_bar_chart(ctx, clip, options, proc_tree, times, curr_y, w, h, sec_w):
-	header_size = 0
-	if not options.kernel_only:
-		draw_legend_box (ctx, "Running (%cpu)",
-				 PROC_COLOR_R, off_x    , curr_y + 45, leg_s)
-		draw_legend_box (ctx, "Unint.sleep (I/O)",
-				 PROC_COLOR_D, off_x+120, curr_y + 45, leg_s)
-		draw_legend_box (ctx, "Sleeping",
-				 PROC_COLOR_S, off_x+240, curr_y + 45, leg_s)
-		draw_legend_box (ctx, "Zombie",
-				 PROC_COLOR_Z, off_x+360, curr_y + 45, leg_s)
-		header_size = 45
+    header_size = 0
+    if not options.kernel_only:
+        draw_legend_box (ctx, "Running (%cpu)",
+                 PROC_COLOR_R, off_x    , curr_y + 45, leg_s)
+        draw_legend_box (ctx, "Unint.sleep (I/O)",
+                 PROC_COLOR_D, off_x+120, curr_y + 45, leg_s)
+        draw_legend_box (ctx, "Sleeping",
+                 PROC_COLOR_S, off_x+240, curr_y + 45, leg_s)
+        draw_legend_box (ctx, "Zombie",
+                 PROC_COLOR_Z, off_x+360, curr_y + 45, leg_s)
+        header_size = 45
 
-	chart_rect = [off_x, curr_y + header_size + 15,
-		      w, h - 2 * off_y - (curr_y + header_size + 15) + proc_h]
-	ctx.set_font_size (PROC_TEXT_FONT_SIZE)
+    chart_rect = [off_x, curr_y + header_size + 15,
+              w, h - 2 * off_y - (curr_y + header_size + 15) + proc_h]
+    ctx.set_font_size (PROC_TEXT_FONT_SIZE)
 
-	draw_box_ticks (ctx, chart_rect, sec_w)
-	if sec_w > 100:
-		nsec = 1
-	else:
-		nsec = 5
-	draw_sec_labels (ctx, options, chart_rect, sec_w, nsec)
-	draw_annotations (ctx, proc_tree, times, chart_rect)
+    draw_box_ticks (ctx, chart_rect, sec_w)
+    if sec_w > 100:
+        nsec = 1
+    else:
+        nsec = 5
+    draw_sec_labels (ctx, options, chart_rect, sec_w, nsec)
+    draw_annotations (ctx, proc_tree, times, chart_rect)
 
-	y = curr_y + 60
-	for root in proc_tree.process_tree:
-		draw_processes_recursively(ctx, root, proc_tree, y, proc_h, chart_rect, clip)
-		y = y + proc_h * proc_tree.num_nodes([root])
+    y = curr_y + 60
+    for root in proc_tree.process_tree:
+        draw_processes_recursively(ctx, root, proc_tree, y, proc_h, chart_rect, clip)
+        y = y + proc_h * proc_tree.num_nodes([root])
 
 
 def draw_header (ctx, headers, duration):
@@ -678,291 +685,291 @@
     return header_y
 
 def draw_processes_recursively(ctx, proc, proc_tree, y, proc_h, rect, clip) :
-	x = rect[0] +  ((proc.start_time - proc_tree.start_time) * rect[2] / proc_tree.duration)
-	w = ((proc.duration) * rect[2] / proc_tree.duration)
+    x = rect[0] +  ((proc.start_time - proc_tree.start_time) * rect[2] / proc_tree.duration)
+    w = ((proc.duration) * rect[2] / proc_tree.duration)
 
-	draw_process_activity_colors(ctx, proc, proc_tree, x, y, w, proc_h, rect, clip)
-	draw_rect(ctx, PROC_BORDER_COLOR, (x, y, w, proc_h))
-	ipid = int(proc.pid)
-	if not OPTIONS.show_all:
-		cmdString = proc.cmd
-	else:
-		cmdString = ''
-	if (OPTIONS.show_pid or OPTIONS.show_all) and ipid is not 0:
-		cmdString = cmdString + " [" + str(ipid // 1000) + "]"
-	if OPTIONS.show_all:
-		if proc.args:
-			cmdString = cmdString + " '" + "' '".join(proc.args) + "'"
-		else:
-			cmdString = cmdString + " " + proc.exe
+    draw_process_activity_colors(ctx, proc, proc_tree, x, y, w, proc_h, rect, clip)
+    draw_rect(ctx, PROC_BORDER_COLOR, (x, y, w, proc_h))
+    ipid = int(proc.pid)
+    if not OPTIONS.show_all:
+        cmdString = proc.cmd
+    else:
+        cmdString = ''
+    if (OPTIONS.show_pid or OPTIONS.show_all) and ipid is not 0:
+        cmdString = cmdString + " [" + str(ipid // 1000) + "]"
+    if OPTIONS.show_all:
+        if proc.args:
+            cmdString = cmdString + " '" + "' '".join(proc.args) + "'"
+        else:
+            cmdString = cmdString + " " + proc.exe
 
-	draw_label_in_box(ctx, PROC_TEXT_COLOR, cmdString, x, y + proc_h - 4, w, rect[0] + rect[2])
+    draw_label_in_box(ctx, PROC_TEXT_COLOR, cmdString, x, y + proc_h - 4, w, rect[0] + rect[2])
 
-	next_y = y + proc_h
-	for child in proc.child_list:
-		if next_y > clip[1] + clip[3]:
-			break
-		child_x, child_y = draw_processes_recursively(ctx, child, proc_tree, next_y, proc_h, rect, clip)
-		draw_process_connecting_lines(ctx, x, y, child_x, child_y, proc_h)
-		next_y = next_y + proc_h * proc_tree.num_nodes([child])
+    next_y = y + proc_h
+    for child in proc.child_list:
+        if next_y > clip[1] + clip[3]:
+            break
+        child_x, child_y = draw_processes_recursively(ctx, child, proc_tree, next_y, proc_h, rect, clip)
+        draw_process_connecting_lines(ctx, x, y, child_x, child_y, proc_h)
+        next_y = next_y + proc_h * proc_tree.num_nodes([child])
 
-	return x, y
+    return x, y
 
 
 def draw_process_activity_colors(ctx, proc, proc_tree, x, y, w, proc_h, rect, clip):
 
-	if y > clip[1] + clip[3] or y + proc_h + 2 < clip[1]:
-		return
+    if y > clip[1] + clip[3] or y + proc_h + 2 < clip[1]:
+        return
 
-	draw_fill_rect(ctx, PROC_COLOR_S, (x, y, w, proc_h))
+    draw_fill_rect(ctx, PROC_COLOR_S, (x, y, w, proc_h))
 
-	last_tx = -1
-	for sample in proc.samples :
-		tx = rect[0] + round(((sample.time - proc_tree.start_time) * rect[2] / proc_tree.duration))
+    last_tx = -1
+    for sample in proc.samples :
+        tx = rect[0] + round(((sample.time - proc_tree.start_time) * rect[2] / proc_tree.duration))
 
-		# samples are sorted chronologically
-		if tx < clip[0]:
-			continue
-		if tx > clip[0] + clip[2]:
-			break
+        # samples are sorted chronologically
+        if tx < clip[0]:
+            continue
+        if tx > clip[0] + clip[2]:
+            break
 
-		tw = round(proc_tree.sample_period * rect[2] / float(proc_tree.duration))
-		if last_tx != -1 and abs(last_tx - tx) <= tw:
-			tw -= last_tx - tx
-			tx = last_tx
-		tw = max (tw, 1) # nice to see at least something
+        tw = round(proc_tree.sample_period * rect[2] / float(proc_tree.duration))
+        if last_tx != -1 and abs(last_tx - tx) <= tw:
+            tw -= last_tx - tx
+            tx = last_tx
+        tw = max (tw, 1) # nice to see at least something
 
-		last_tx = tx + tw
-		state = get_proc_state( sample.state )
+        last_tx = tx + tw
+        state = get_proc_state( sample.state )
 
-		color = STATE_COLORS[state]
-		if state == STATE_RUNNING:
-			alpha = min (sample.cpu_sample.user + sample.cpu_sample.sys, 1.0)
-			color = tuple(list(PROC_COLOR_R[0:3]) + [alpha])
-#			print "render time %d [ tx %d tw %d ], sample state %s color %s alpha %g" % (sample.time, tx, tw, state, color, alpha)
-		elif state == STATE_SLEEPING:
-			continue
+        color = STATE_COLORS[state]
+        if state == STATE_RUNNING:
+            alpha = min (sample.cpu_sample.user + sample.cpu_sample.sys, 1.0)
+            color = tuple(list(PROC_COLOR_R[0:3]) + [alpha])
+#            print "render time %d [ tx %d tw %d ], sample state %s color %s alpha %g" % (sample.time, tx, tw, state, color, alpha)
+        elif state == STATE_SLEEPING:
+            continue
 
-		draw_fill_rect(ctx, color, (tx, y, tw, proc_h))
+        draw_fill_rect(ctx, color, (tx, y, tw, proc_h))
 
 def draw_process_connecting_lines(ctx, px, py, x, y, proc_h):
-	ctx.set_source_rgba(*DEP_COLOR)
-	ctx.set_dash([2, 2])
-	if abs(px - x) < 3:
-		dep_off_x = 3
-		dep_off_y = proc_h / 4
-		ctx.move_to(x, y + proc_h / 2)
-		ctx.line_to(px - dep_off_x, y + proc_h / 2)
-		ctx.line_to(px - dep_off_x, py - dep_off_y)
-		ctx.line_to(px, py - dep_off_y)
-	else:
-		ctx.move_to(x, y + proc_h / 2)
-		ctx.line_to(px, y + proc_h / 2)
-		ctx.line_to(px, py)
-	ctx.stroke()
-	ctx.set_dash([])
+    ctx.set_source_rgba(*DEP_COLOR)
+    ctx.set_dash([2, 2])
+    if abs(px - x) < 3:
+        dep_off_x = 3
+        dep_off_y = proc_h / 4
+        ctx.move_to(x, y + proc_h / 2)
+        ctx.line_to(px - dep_off_x, y + proc_h / 2)
+        ctx.line_to(px - dep_off_x, py - dep_off_y)
+        ctx.line_to(px, py - dep_off_y)
+    else:
+        ctx.move_to(x, y + proc_h / 2)
+        ctx.line_to(px, y + proc_h / 2)
+        ctx.line_to(px, py)
+    ctx.stroke()
+    ctx.set_dash([])
 
 # elide the bootchart collector - it is quite distorting
 def elide_bootchart(proc):
-	return proc.cmd == 'bootchartd' or proc.cmd == 'bootchart-colle'
+    return proc.cmd == 'bootchartd' or proc.cmd == 'bootchart-colle'
 
 class CumlSample:
-	def __init__(self, proc):
-		self.cmd = proc.cmd
-		self.samples = []
-		self.merge_samples (proc)
-		self.color = None
+    def __init__(self, proc):
+        self.cmd = proc.cmd
+        self.samples = []
+        self.merge_samples (proc)
+        self.color = None
 
-	def merge_samples(self, proc):
-		self.samples.extend (proc.samples)
-		self.samples.sort (key = lambda p: p.time)
+    def merge_samples(self, proc):
+        self.samples.extend (proc.samples)
+        self.samples.sort (key = lambda p: p.time)
 
-	def next(self):
-		global palette_idx
-		palette_idx += HSV_STEP
-		return palette_idx
+    def next(self):
+        global palette_idx
+        palette_idx += HSV_STEP
+        return palette_idx
 
-	def get_color(self):
-		if self.color is None:
-			i = self.next() % HSV_MAX_MOD
-			h = 0.0
-			if i is not 0:
-				h = (1.0 * i) / HSV_MAX_MOD
-			s = 0.5
-			v = 1.0
-			c = colorsys.hsv_to_rgb (h, s, v)
-			self.color = (c[0], c[1], c[2], 1.0)
-		return self.color
+    def get_color(self):
+        if self.color is None:
+            i = self.next() % HSV_MAX_MOD
+            h = 0.0
+            if i is not 0:
+                h = (1.0 * i) / HSV_MAX_MOD
+            s = 0.5
+            v = 1.0
+            c = colorsys.hsv_to_rgb (h, s, v)
+            self.color = (c[0], c[1], c[2], 1.0)
+        return self.color
 
 
 def draw_cuml_graph(ctx, proc_tree, chart_bounds, duration, sec_w, stat_type):
-	global palette_idx
-	palette_idx = 0
+    global palette_idx
+    palette_idx = 0
 
-	time_hash = {}
-	total_time = 0.0
-	m_proc_list = {}
+    time_hash = {}
+    total_time = 0.0
+    m_proc_list = {}
 
-	if stat_type is STAT_TYPE_CPU:
-		sample_value = 'cpu'
-	else:
-		sample_value = 'io'
-	for proc in proc_tree.process_list:
-		if elide_bootchart(proc):
-			continue
+    if stat_type is STAT_TYPE_CPU:
+        sample_value = 'cpu'
+    else:
+        sample_value = 'io'
+    for proc in proc_tree.process_list:
+        if elide_bootchart(proc):
+            continue
 
-		for sample in proc.samples:
-			total_time += getattr(sample.cpu_sample, sample_value)
-			if not sample.time in time_hash:
-				time_hash[sample.time] = 1
+        for sample in proc.samples:
+            total_time += getattr(sample.cpu_sample, sample_value)
+            if not sample.time in time_hash:
+                time_hash[sample.time] = 1
 
-		# merge pids with the same cmd
-		if not proc.cmd in m_proc_list:
-			m_proc_list[proc.cmd] = CumlSample (proc)
-			continue
-		s = m_proc_list[proc.cmd]
-		s.merge_samples (proc)
+        # merge pids with the same cmd
+        if not proc.cmd in m_proc_list:
+            m_proc_list[proc.cmd] = CumlSample (proc)
+            continue
+        s = m_proc_list[proc.cmd]
+        s.merge_samples (proc)
 
-	# all the sample times
-	times = sorted(time_hash)
-	if len (times) < 2:
-		print("degenerate boot chart")
-		return
+    # all the sample times
+    times = sorted(time_hash)
+    if len (times) < 2:
+        print("degenerate boot chart")
+        return
 
-	pix_per_ns = chart_bounds[3] / total_time
-#	print "total time: %g pix-per-ns %g" % (total_time, pix_per_ns)
+    pix_per_ns = chart_bounds[3] / total_time
+#    print "total time: %g pix-per-ns %g" % (total_time, pix_per_ns)
 
-	# FIXME: we have duplicates in the process list too [!] - why !?
+    # FIXME: we have duplicates in the process list too [!] - why !?
 
-	# Render bottom up, left to right
-	below = {}
-	for time in times:
-		below[time] = chart_bounds[1] + chart_bounds[3]
+    # Render bottom up, left to right
+    below = {}
+    for time in times:
+        below[time] = chart_bounds[1] + chart_bounds[3]
 
-	# same colors each time we render
-	random.seed (0)
+    # same colors each time we render
+    random.seed (0)
 
-	ctx.set_line_width(1)
+    ctx.set_line_width(1)
 
-	legends = []
-	labels = []
+    legends = []
+    labels = []
 
-	# render each pid in order
-	for cs in m_proc_list.values():
-		row = {}
-		cuml = 0.0
+    # render each pid in order
+    for cs in m_proc_list.values():
+        row = {}
+        cuml = 0.0
 
-		# print "pid : %s -> %g samples %d" % (proc.cmd, cuml, len (cs.samples))
-		for sample in cs.samples:
-			cuml += getattr(sample.cpu_sample, sample_value)
-			row[sample.time] = cuml
+        # print "pid : %s -> %g samples %d" % (proc.cmd, cuml, len (cs.samples))
+        for sample in cs.samples:
+            cuml += getattr(sample.cpu_sample, sample_value)
+            row[sample.time] = cuml
 
-		process_total_time = cuml
+        process_total_time = cuml
 
-		# hide really tiny processes
-		if cuml * pix_per_ns <= 2:
-			continue
+        # hide really tiny processes
+        if cuml * pix_per_ns <= 2:
+            continue
 
-		last_time = times[0]
-		y = last_below = below[last_time]
-		last_cuml = cuml = 0.0
+        last_time = times[0]
+        y = last_below = below[last_time]
+        last_cuml = cuml = 0.0
 
-		ctx.set_source_rgba(*cs.get_color())
-		for time in times:
-			render_seg = False
+        ctx.set_source_rgba(*cs.get_color())
+        for time in times:
+            render_seg = False
 
-			# did the underlying trend increase ?
-			if below[time] != last_below:
-				last_below = below[last_time]
-				last_cuml = cuml
-				render_seg = True
+            # did the underlying trend increase ?
+            if below[time] != last_below:
+                last_below = below[last_time]
+                last_cuml = cuml
+                render_seg = True
 
-			# did we move up a pixel increase ?
-			if time in row:
-				nc = round (row[time] * pix_per_ns)
-				if nc != cuml:
-					last_cuml = cuml
-					cuml = nc
-					render_seg = True
+            # did we move up a pixel increase ?
+            if time in row:
+                nc = round (row[time] * pix_per_ns)
+                if nc != cuml:
+                    last_cuml = cuml
+                    cuml = nc
+                    render_seg = True
 
-#			if last_cuml > cuml:
-#				assert fail ... - un-sorted process samples
+#            if last_cuml > cuml:
+#                assert fail ... - un-sorted process samples
 
-			# draw the trailing rectangle from the last time to
-			# before now, at the height of the last segment.
-			if render_seg:
-				w = math.ceil ((time - last_time) * chart_bounds[2] / proc_tree.duration) + 1
-				x = chart_bounds[0] + round((last_time - proc_tree.start_time) * chart_bounds[2] / proc_tree.duration)
-				ctx.rectangle (x, below[last_time] - last_cuml, w, last_cuml)
-				ctx.fill()
-#				ctx.stroke()
-				last_time = time
-				y = below [time] - cuml
+            # draw the trailing rectangle from the last time to
+            # before now, at the height of the last segment.
+            if render_seg:
+                w = math.ceil ((time - last_time) * chart_bounds[2] / proc_tree.duration) + 1
+                x = chart_bounds[0] + round((last_time - proc_tree.start_time) * chart_bounds[2] / proc_tree.duration)
+                ctx.rectangle (x, below[last_time] - last_cuml, w, last_cuml)
+                ctx.fill()
+#                ctx.stroke()
+                last_time = time
+                y = below [time] - cuml
 
-			row[time] = y
+            row[time] = y
 
-		# render the last segment
-		x = chart_bounds[0] + round((last_time - proc_tree.start_time) * chart_bounds[2] / proc_tree.duration)
-		y = below[last_time] - cuml
-		ctx.rectangle (x, y, chart_bounds[2] - x, cuml)
-		ctx.fill()
-#		ctx.stroke()
+        # render the last segment
+        x = chart_bounds[0] + round((last_time - proc_tree.start_time) * chart_bounds[2] / proc_tree.duration)
+        y = below[last_time] - cuml
+        ctx.rectangle (x, y, chart_bounds[2] - x, cuml)
+        ctx.fill()
+#        ctx.stroke()
 
-		# render legend if it will fit
-		if cuml > 8:
-			label = cs.cmd
-			extnts = ctx.text_extents(label)
-			label_w = extnts[2]
-			label_h = extnts[3]
-#			print "Text extents %g by %g" % (label_w, label_h)
-			labels.append((label,
-				       chart_bounds[0] + chart_bounds[2] - label_w - off_x * 2,
-				       y + (cuml + label_h) / 2))
-			if cs in legends:
-				print("ARGH - duplicate process in list !")
+        # render legend if it will fit
+        if cuml > 8:
+            label = cs.cmd
+            extnts = ctx.text_extents(label)
+            label_w = extnts[2]
+            label_h = extnts[3]
+#            print "Text extents %g by %g" % (label_w, label_h)
+            labels.append((label,
+                       chart_bounds[0] + chart_bounds[2] - label_w - off_x * 2,
+                       y + (cuml + label_h) / 2))
+            if cs in legends:
+                print("ARGH - duplicate process in list !")
 
-		legends.append ((cs, process_total_time))
+        legends.append ((cs, process_total_time))
 
-		below = row
+        below = row
 
-	# render grid-lines over the top
-	draw_box_ticks(ctx, chart_bounds, sec_w)
+    # render grid-lines over the top
+    draw_box_ticks(ctx, chart_bounds, sec_w)
 
-	# render labels
-	for l in labels:
-		draw_text(ctx, l[0], TEXT_COLOR, l[1], l[2])
+    # render labels
+    for l in labels:
+        draw_text(ctx, l[0], TEXT_COLOR, l[1], l[2])
 
-	# Render legends
-	font_height = 20
-	label_width = 300
-	LEGENDS_PER_COL = 15
-	LEGENDS_TOTAL = 45
-	ctx.set_font_size (TITLE_FONT_SIZE)
-	dur_secs = duration / 100
-	cpu_secs = total_time / 1000000000
+    # Render legends
+    font_height = 20
+    label_width = 300
+    LEGENDS_PER_COL = 15
+    LEGENDS_TOTAL = 45
+    ctx.set_font_size (TITLE_FONT_SIZE)
+    dur_secs = duration / 100
+    cpu_secs = total_time / 1000000000
 
-	# misleading - with multiple CPUs ...
-#	idle = ((dur_secs - cpu_secs) / dur_secs) * 100.0
-	if stat_type is STAT_TYPE_CPU:
-		label = "Cumulative CPU usage, by process; total CPU: " \
-			" %.5g(s) time: %.3g(s)" % (cpu_secs, dur_secs)
-	else:
-		label = "Cumulative I/O usage, by process; total I/O: " \
-			" %.5g(s) time: %.3g(s)" % (cpu_secs, dur_secs)
+    # misleading - with multiple CPUs ...
+#    idle = ((dur_secs - cpu_secs) / dur_secs) * 100.0
+    if stat_type is STAT_TYPE_CPU:
+        label = "Cumulative CPU usage, by process; total CPU: " \
+            " %.5g(s) time: %.3g(s)" % (cpu_secs, dur_secs)
+    else:
+        label = "Cumulative I/O usage, by process; total I/O: " \
+            " %.5g(s) time: %.3g(s)" % (cpu_secs, dur_secs)
 
-	draw_text(ctx, label, TEXT_COLOR, chart_bounds[0] + off_x,
-		  chart_bounds[1] + font_height)
+    draw_text(ctx, label, TEXT_COLOR, chart_bounds[0] + off_x,
+          chart_bounds[1] + font_height)
 
-	i = 0
-	legends = sorted(legends, key=itemgetter(1), reverse=True)
-	ctx.set_font_size(TEXT_FONT_SIZE)
-	for t in legends:
-		cs = t[0]
-		time = t[1]
-		x = chart_bounds[0] + off_x + int (i/LEGENDS_PER_COL) * label_width
-		y = chart_bounds[1] + font_height * ((i % LEGENDS_PER_COL) + 2)
-		str = "%s - %.0f(ms) (%2.2f%%)" % (cs.cmd, time/1000000, (time/total_time) * 100.0)
-		draw_legend_box(ctx, str, cs.color, x, y, leg_s)
-		i = i + 1
-		if i >= LEGENDS_TOTAL:
-			break
+    i = 0
+    legends = sorted(legends, key=itemgetter(1), reverse=True)
+    ctx.set_font_size(TEXT_FONT_SIZE)
+    for t in legends:
+        cs = t[0]
+        time = t[1]
+        x = chart_bounds[0] + off_x + int (i/LEGENDS_PER_COL) * label_width
+        y = chart_bounds[1] + font_height * ((i % LEGENDS_PER_COL) + 2)
+        str = "%s - %.0f(ms) (%2.2f%%)" % (cs.cmd, time/1000000, (time/total_time) * 100.0)
+        draw_legend_box(ctx, str, cs.color, x, y, leg_s)
+        i = i + 1
+        if i >= LEGENDS_TOTAL:
+            break
diff --git a/poky/scripts/pybootchartgui/pybootchartgui/gui.py b/poky/scripts/pybootchartgui/pybootchartgui/gui.py
index 7fedd23..e1fe915 100644
--- a/poky/scripts/pybootchartgui/pybootchartgui/gui.py
+++ b/poky/scripts/pybootchartgui/pybootchartgui/gui.py
@@ -13,64 +13,83 @@
 #  You should have received a copy of the GNU General Public License
 #  along with pybootchartgui. If not, see <http://www.gnu.org/licenses/>.
 
-import gobject
-import gtk
-import gtk.gdk
-import gtk.keysyms
+import gi
+gi.require_version('Gtk', '3.0') 
+from gi.repository import Gtk as gtk
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import GObject as gobject
+from gi.repository import GObject
+
 from . import draw
 from .draw import RenderOptions
 
-class PyBootchartWidget(gtk.DrawingArea):
+class PyBootchartWidget(gtk.DrawingArea, gtk.Scrollable):
     __gsignals__ = {
-            'expose-event': 'override',
-            'clicked' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_STRING, gtk.gdk.Event)),
+            'clicked' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_STRING, Gdk.Event)),
             'position-changed' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_INT, gobject.TYPE_INT)),
             'set-scroll-adjustments' : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gtk.Adjustment, gtk.Adjustment))
     }
 
+    hadjustment = GObject.property(type=Gtk.Adjustment,
+                                   default=Gtk.Adjustment(),
+                                   flags=GObject.PARAM_READWRITE)
+    hscroll_policy = GObject.property(type=Gtk.ScrollablePolicy,
+                                      default=Gtk.ScrollablePolicy.MINIMUM,
+                                      flags=GObject.PARAM_READWRITE)
+    vadjustment = GObject.property(type=Gtk.Adjustment,
+                                   default=Gtk.Adjustment(),
+                                   flags=GObject.PARAM_READWRITE)
+    vscroll_policy = GObject.property(type=Gtk.ScrollablePolicy,
+                                      default=Gtk.ScrollablePolicy.MINIMUM,
+                                      flags=GObject.PARAM_READWRITE)
+
     def __init__(self, trace, options, xscale):
         gtk.DrawingArea.__init__(self)
 
         self.trace = trace
         self.options = options
 
-        self.set_flags(gtk.CAN_FOCUS)
+        self.set_can_focus(True)
 
-        self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK)
+        self.add_events(Gdk.EventMask.BUTTON_PRESS_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK)
         self.connect("button-press-event", self.on_area_button_press)
         self.connect("button-release-event", self.on_area_button_release)
-        self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK)
+        self.add_events(Gdk.EventMask.POINTER_MOTION_MASK | Gdk.EventMask.POINTER_MOTION_HINT_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK)
         self.connect("motion-notify-event", self.on_area_motion_notify)
         self.connect("scroll-event", self.on_area_scroll_event)
         self.connect('key-press-event', self.on_key_press_event)
 
-        self.connect('set-scroll-adjustments', self.on_set_scroll_adjustments)
         self.connect("size-allocate", self.on_allocation_size_changed)
         self.connect("position-changed", self.on_position_changed)
 
+        self.connect("draw", self.on_draw)
+
         self.zoom_ratio = 1.0
         self.xscale = xscale
         self.x, self.y = 0.0, 0.0
 
         self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace)
-        self.hadj = None
-        self.vadj = None
-        self.hadj_changed_signal_id = None
-        self.vadj_changed_signal_id = None
+        self.our_width, self.our_height = self.chart_width, self.chart_height
 
-    def do_expose_event(self, event):
-        cr = self.window.cairo_create()
+        self.hadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
+        self.vadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
+        self.vadj.connect('value-changed', self.on_adjustments_changed)
+        self.hadj.connect('value-changed', self.on_adjustments_changed)
 
-        # set a clip region for the expose event
-        cr.rectangle(
-                event.area.x, event.area.y,
-                event.area.width, event.area.height
-        )
-        cr.clip()
-        self.draw(cr, self.get_allocation())
-        return False
+    def bound_vals(self):
+        self.x = max(0, self.x)
+        self.y = max(0, self.y)
+        self.x = min(self.chart_width - self.our_width, self.x)
+        self.y = min(self.chart_height - self.our_height, self.y)
 
-    def draw(self, cr, rect):
+    def on_draw(self, darea, cr):
+        # set a clip region
+        #cr.rectangle(
+        #        self.x, self.y,
+        #        self.chart_width, self.chart_height
+        #)
+        #cr.clip()
         cr.set_source_rgba(1.0, 1.0, 1.0, 1.0)
         cr.paint()
         cr.scale(self.zoom_ratio, self.zoom_ratio)
@@ -84,7 +103,7 @@
 
     def zoom_image (self, zoom_ratio):
         self.zoom_ratio = zoom_ratio
-        self._set_scroll_adjustments (self.hadj, self.vadj)
+        self._set_scroll_adjustments()
         self.queue_draw()
 
     def zoom_to_rect (self, rect):
@@ -122,126 +141,101 @@
     def show_toggled(self, button):
         self.options.app_options.show_all = button.get_property ('active')
         self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace)
-        self._set_scroll_adjustments(self.hadj, self.vadj)
+        self._set_scroll_adjustments()
         self.queue_draw()
 
     POS_INCREMENT = 100
 
     def on_key_press_event(self, widget, event):
-        if event.keyval == gtk.keysyms.Left:
+        if event.keyval == Gdk.keyval_from_name("Left"):
             self.x -= self.POS_INCREMENT/self.zoom_ratio
-        elif event.keyval == gtk.keysyms.Right:
+        elif event.keyval == Gdk.keyval_from_name("Right"):
             self.x += self.POS_INCREMENT/self.zoom_ratio
-        elif event.keyval == gtk.keysyms.Up:
+        elif event.keyval == Gdk.keyval_from_name("Up"):
             self.y -= self.POS_INCREMENT/self.zoom_ratio
-        elif event.keyval == gtk.keysyms.Down:
+        elif event.keyval == Gdk.keyval_from_name("Down"):
             self.y += self.POS_INCREMENT/self.zoom_ratio
         else:
             return False
+        self.bound_vals()
         self.queue_draw()
         self.position_changed()
         return True
 
     def on_area_button_press(self, area, event):
         if event.button == 2 or event.button == 1:
-            area.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.FLEUR))
+            window = self.get_window()
+            window.set_cursor(Gdk.Cursor(Gdk.CursorType.FLEUR))
             self.prevmousex = event.x
             self.prevmousey = event.y
-        if event.type not in (gtk.gdk.BUTTON_PRESS, gtk.gdk.BUTTON_RELEASE):
+        if event.type not in (Gdk.EventType.BUTTON_PRESS, Gdk.EventType.BUTTON_RELEASE):
             return False
         return False
 
     def on_area_button_release(self, area, event):
         if event.button == 2 or event.button == 1:
-            area.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.ARROW))
+            window = self.get_window()
+            window.set_cursor(Gdk.Cursor(Gdk.CursorType.ARROW))
             self.prevmousex = None
             self.prevmousey = None
             return True
         return False
 
     def on_area_scroll_event(self, area, event):
-        if event.state & gtk.gdk.CONTROL_MASK:
-            if event.direction == gtk.gdk.SCROLL_UP:
+        if event.state & Gdk.CONTROL_MASK:
+            if event.direction == Gdk.SCROLL_UP:
                 self.zoom_image(self.zoom_ratio * self.ZOOM_INCREMENT)
                 return True
-            if event.direction == gtk.gdk.SCROLL_DOWN:
+            if event.direction == Gdk.SCROLL_DOWN:
                 self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT)
                 return True
             return False
 
     def on_area_motion_notify(self, area, event):
         state = event.state
-        if state & gtk.gdk.BUTTON2_MASK or state & gtk.gdk.BUTTON1_MASK:
+        if state & Gdk.ModifierType.BUTTON2_MASK or state & Gdk.ModifierType.BUTTON1_MASK:
             x, y = int(event.x), int(event.y)
             # pan the image
             self.x += (self.prevmousex - x)/self.zoom_ratio
             self.y += (self.prevmousey - y)/self.zoom_ratio
+            self.bound_vals()
             self.queue_draw()
             self.prevmousex = x
             self.prevmousey = y
             self.position_changed()
         return True
 
-    def on_set_scroll_adjustments(self, area, hadj, vadj):
-        self._set_scroll_adjustments (hadj, vadj)
-
     def on_allocation_size_changed(self, widget, allocation):
         self.hadj.page_size = allocation.width
         self.hadj.page_increment = allocation.width * 0.9
         self.vadj.page_size = allocation.height
         self.vadj.page_increment = allocation.height * 0.9
+        self.our_width = allocation.width
+        if self.chart_width < self.our_width:
+            self.our_width = self.chart_width
+        self.our_height = allocation.height
+        if self.chart_height < self.our_height:
+            self.our_height = self.chart_height
+        self._set_scroll_adjustments()
 
     def _set_adj_upper(self, adj, upper):
-        changed = False
-        value_changed = False
 
-        if adj.upper != upper:
-            adj.upper = upper
-            changed = True
+        if adj.get_upper() != upper:
+            adj.set_upper(upper)
 
-        max_value = max(0.0, upper - adj.page_size)
-        if adj.value > max_value:
-            adj.value = max_value
-            value_changed = True
-
-        if changed:
-            adj.changed()
-        if value_changed:
-            adj.value_changed()
-
-    def _set_scroll_adjustments(self, hadj, vadj):
-        if hadj == None:
-            hadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
-        if vadj == None:
-            vadj = gtk.Adjustment(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
-
-        if self.hadj_changed_signal_id != None and \
-           self.hadj != None and hadj != self.hadj:
-            self.hadj.disconnect (self.hadj_changed_signal_id)
-        if self.vadj_changed_signal_id != None and \
-           self.vadj != None and vadj != self.vadj:
-            self.vadj.disconnect (self.vadj_changed_signal_id)
-
-        if hadj != None:
-            self.hadj = hadj
-            self._set_adj_upper (self.hadj, self.zoom_ratio * self.chart_width)
-            self.hadj_changed_signal_id = self.hadj.connect('value-changed', self.on_adjustments_changed)
-
-        if vadj != None:
-            self.vadj = vadj
-            self._set_adj_upper (self.vadj, self.zoom_ratio * self.chart_height)
-            self.vadj_changed_signal_id = self.vadj.connect('value-changed', self.on_adjustments_changed)
+    def _set_scroll_adjustments(self):
+        self._set_adj_upper (self.hadj, self.zoom_ratio * (self.chart_width - self.our_width))
+        self._set_adj_upper (self.vadj, self.zoom_ratio * (self.chart_height - self.our_height))
 
     def on_adjustments_changed(self, adj):
-        self.x = self.hadj.value / self.zoom_ratio
-        self.y = self.vadj.value / self.zoom_ratio
+        self.x = self.hadj.get_value() / self.zoom_ratio
+        self.y = self.vadj.get_value() / self.zoom_ratio
         self.queue_draw()
 
     def on_position_changed(self, widget, x, y):
-        self.hadj.value = x * self.zoom_ratio
-        self.vadj.value = y * self.zoom_ratio
-
-PyBootchartWidget.set_set_scroll_adjustments_signal('set-scroll-adjustments')
+        self.hadj.set_value(x * self.zoom_ratio)
+        #self.hadj.value_changed()
+        self.vadj.set_value(y * self.zoom_ratio)
 
 class PyBootchartShell(gtk.VBox):
     ui = '''
@@ -260,7 +254,7 @@
     def __init__(self, window, trace, options, xscale):
         gtk.VBox.__init__(self)
 
-        self.widget = PyBootchartWidget(trace, options, xscale)
+        self.widget2 = PyBootchartWidget(trace, options, xscale)
 
         # Create a UIManager instance
         uimanager = self.uimanager = gtk.UIManager()
@@ -275,12 +269,12 @@
 
         # Create actions
         actiongroup.add_actions((
-                ('Expand', gtk.STOCK_ADD, None, None, None, self.widget.on_expand),
-                ('Contract', gtk.STOCK_REMOVE, None, None, None, self.widget.on_contract),
-                ('ZoomIn', gtk.STOCK_ZOOM_IN, None, None, None, self.widget.on_zoom_in),
-                ('ZoomOut', gtk.STOCK_ZOOM_OUT, None, None, None, self.widget.on_zoom_out),
-                ('ZoomFit', gtk.STOCK_ZOOM_FIT, 'Fit Width', None, None, self.widget.on_zoom_fit),
-                ('Zoom100', gtk.STOCK_ZOOM_100, None, None, None, self.widget.on_zoom_100),
+                ('Expand', gtk.STOCK_ADD, None, None, None, self.widget2.on_expand),
+                ('Contract', gtk.STOCK_REMOVE, None, None, None, self.widget2.on_contract),
+                ('ZoomIn', gtk.STOCK_ZOOM_IN, None, None, None, self.widget2.on_zoom_in),
+                ('ZoomOut', gtk.STOCK_ZOOM_OUT, None, None, None, self.widget2.on_zoom_out),
+                ('ZoomFit', gtk.STOCK_ZOOM_FIT, 'Fit Width', None, None, self.widget2.on_zoom_fit),
+                ('Zoom100', gtk.STOCK_ZOOM_100, None, None, None, self.widget2.on_zoom_100),
         ))
 
         # Add the actiongroup to the uimanager
@@ -290,29 +284,33 @@
         uimanager.add_ui_from_string(self.ui)
 
         # Scrolled window
-        scrolled = gtk.ScrolledWindow()
-        scrolled.add(self.widget)
+        scrolled = gtk.ScrolledWindow(self.widget2.hadj, self.widget2.vadj)
+        scrolled.add(self.widget2)
+
+        #scrolled.set_hadjustment()
+        #scrolled.set_vadjustment(self.widget2.vadj)
+        scrolled.set_policy(gtk.PolicyType.ALWAYS, gtk.PolicyType.ALWAYS)
 
         # toolbar / h-box
         hbox = gtk.HBox(False, 8)
 
         # Create a Toolbar
         toolbar = uimanager.get_widget('/ToolBar')
-        hbox.pack_start(toolbar, True, True)
+        hbox.pack_start(toolbar, True, True, 0)
 
         if not options.kernel_only:
             # Misc. options
             button = gtk.CheckButton("Show more")
-            button.connect ('toggled', self.widget.show_toggled)
+            button.connect ('toggled', self.widget2.show_toggled)
             button.set_active(options.app_options.show_all)
-            hbox.pack_start (button, False, True)
+            hbox.pack_start (button, False, True, 0)
 
-        self.pack_start(hbox, False)
-        self.pack_start(scrolled)
+        self.pack_start(hbox, False, True, 0)
+        self.pack_start(scrolled, True, True, 0)
         self.show_all()
 
     def grab_focus(self, window):
-        window.set_focus(self.widget)
+        window.set_focus(self.widget2)
 
 
 class PyBootchartWindow(gtk.Window):
diff --git a/poky/scripts/pybootchartgui/pybootchartgui/parsing.py b/poky/scripts/pybootchartgui/pybootchartgui/parsing.py
index bcfb2da..ef2d3d3 100644
--- a/poky/scripts/pybootchartgui/pybootchartgui/parsing.py
+++ b/poky/scripts/pybootchartgui/pybootchartgui/parsing.py
@@ -267,7 +267,7 @@
             value = line.strip()
         headers[last] += value
         return headers, last
-    return reduce(parse, file.read().decode('utf-8').split('\n'), (defaultdict(str),''))[0]
+    return reduce(parse, file.read().split('\n'), (defaultdict(str),''))[0]
 
 def _parse_timed_blocks(file):
     """Parses (ie., splits) a file into so-called timed-blocks. A
@@ -281,7 +281,7 @@
             return (int(lines[0]), lines[1:])
         except ValueError:
             raise ParseError("expected a timed-block, but timestamp '%s' is not an integer" % lines[0])
-    blocks = file.read().decode('utf-8').split('\n\n')
+    blocks = file.read().split('\n\n')
     return [parse(block) for block in blocks if block.strip() and not block.endswith(' not running\n')]
 
 def _parse_proc_ps_log(writer, file):
@@ -577,7 +577,7 @@
     processMap['k-boot'] = kernel
     base_ts = False
     max_ts = 0
-    for line in file.read().decode('utf-8').split('\n'):
+    for line in file.read().split('\n'):
         t = timestamp_re.match (line)
         if t is None:
 #                       print "duff timestamp " + line
@@ -665,7 +665,7 @@
 def _parse_paternity_log(writer, file):
     parent_map = {}
     parent_map[0] = 0
-    for line in file.read().decode('utf-8').split('\n'):
+    for line in file.read().split('\n'):
         if not line:
             continue
         elems = line.split(' ') # <Child> <Parent>
@@ -678,7 +678,7 @@
 
 def _parse_cmdline_log(writer, file):
     cmdLines = {}
-    for block in file.read().decode('utf-8').split('\n\n'):
+    for block in file.read().split('\n\n'):
         lines = block.split('\n')
         if len (lines) >= 3:
 #                       print "Lines '%s'" % (lines[0])
@@ -751,7 +751,7 @@
     if state.filename is None:
         state.filename = filename
     basename = os.path.basename(filename)
-    with open(filename, "rb") as file:
+    with open(filename, "r") as file:
         return _do_parse(writer, state, filename, file)
 
 def parse_paths(writer, state, paths):
diff --git a/poky/scripts/pythondeps b/poky/scripts/pythondeps
index 3e13a58..be21dd8 100755
--- a/poky/scripts/pythondeps
+++ b/poky/scripts/pythondeps
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Determine dependencies of python scripts or available python modules in a search path.
 #
 # Given the -d argument and a filename/filenames, returns the modules imported by those files.
diff --git a/poky/scripts/recipetool b/poky/scripts/recipetool
index 3a3c9b7..e2d585d 100755
--- a/poky/scripts/recipetool
+++ b/poky/scripts/recipetool
@@ -4,18 +4,8 @@
 #
 # Copyright (C) 2014 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os
diff --git a/poky/scripts/relocate_sdk.py b/poky/scripts/relocate_sdk.py
index c752fa2..8c0fdb9 100755
--- a/poky/scripts/relocate_sdk.py
+++ b/poky/scripts/relocate_sdk.py
@@ -2,18 +2,7 @@
 #
 # Copyright (c) 2012 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION
 # This script is called by the SDK installer script. It replaces the dynamic
diff --git a/poky/scripts/resulttool b/poky/scripts/resulttool
index 18ac101..fc282bd 100755
--- a/poky/scripts/resulttool
+++ b/poky/scripts/resulttool
@@ -25,14 +25,7 @@
 #
 # Copyright (c) 2019, Intel Corporation.
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import os
@@ -49,6 +42,7 @@
 import resulttool.regression
 import resulttool.report
 import resulttool.manualexecution
+import resulttool.log
 logger = scriptutils.logger_create('resulttool')
 
 def main():
@@ -66,6 +60,7 @@
     subparsers.add_subparser_group('analysis', 'analysis', 100)
     resulttool.regression.register_commands(subparsers)
     resulttool.report.register_commands(subparsers)
+    resulttool.log.register_commands(subparsers)
 
     args = parser.parse_args()
     if args.debug:
diff --git a/poky/scripts/rpm2cpio.sh b/poky/scripts/rpm2cpio.sh
index cf23472..876c53c 100755
--- a/poky/scripts/rpm2cpio.sh
+++ b/poky/scripts/rpm2cpio.sh
@@ -1,5 +1,4 @@
 #!/bin/sh -efu
-
 # This file comes from rpm 4.x distribution
 
 fatal() {
diff --git a/poky/scripts/runqemu b/poky/scripts/runqemu
index c0e569c..39bed03 100755
--- a/poky/scripts/runqemu
+++ b/poky/scripts/runqemu
@@ -5,18 +5,8 @@
 # Copyright (C) 2006-2011 Linux Foundation
 # Copyright (c) 2016 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import os
 import sys
@@ -1329,7 +1319,8 @@
             logger.info("SIGTERM received")
             os.kill(config.qemupid, signal.SIGTERM)
             config.cleanup()
-            subprocess.check_call(["tput", "smam"])
+            # Deliberately ignore the return code of 'tput smam'.
+            subprocess.call(["tput", "smam"])
         signal.signal(signal.SIGTERM, sigterm_handler)
 
         config.check_args()
@@ -1351,7 +1342,8 @@
         return 1
     finally:
         config.cleanup()
-        subprocess.check_call(["tput", "smam"])
+        # Deliberately ignore the return code of 'tput smam'.
+        subprocess.call(["tput", "smam"])
 
 if __name__ == "__main__":
     sys.exit(main())
diff --git a/poky/scripts/runqemu-addptable2image b/poky/scripts/runqemu-addptable2image
index f0195ad..ca29427 100755
--- a/poky/scripts/runqemu-addptable2image
+++ b/poky/scripts/runqemu-addptable2image
@@ -4,20 +4,8 @@
 #
 # Copyright (C) 2006-2007 OpenedHand Ltd.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
 
 IMAGE=$1
 IMAGEOUT=$2
diff --git a/poky/scripts/runqemu-export-rootfs b/poky/scripts/runqemu-export-rootfs
index 70cdcdb..384c091 100755
--- a/poky/scripts/runqemu-export-rootfs
+++ b/poky/scripts/runqemu-export-rootfs
@@ -2,18 +2,8 @@
 #
 # Copyright (c) 2005-2009 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 usage() {
 	echo "Usage: $0 {start|stop|restart} <nfs-export-dir>"
diff --git a/poky/scripts/runqemu-extract-sdk b/poky/scripts/runqemu-extract-sdk
index 4da3eb1..8a4ee90 100755
--- a/poky/scripts/runqemu-extract-sdk
+++ b/poky/scripts/runqemu-extract-sdk
@@ -7,18 +7,8 @@
 #
 # Copyright (c) 2010 Intel Corp.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 function usage() {
 	echo "Usage: $0 <image-tarball> <extract-dir>"
diff --git a/poky/scripts/runqemu-gen-tapdevs b/poky/scripts/runqemu-gen-tapdevs
index 869fee2..a6ee451 100755
--- a/poky/scripts/runqemu-gen-tapdevs
+++ b/poky/scripts/runqemu-gen-tapdevs
@@ -9,18 +9,8 @@
 #
 # Copyright (C) 2010 Intel Corp.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 uid=`id -u`
 gid=`id -g`
diff --git a/poky/scripts/runqemu-ifdown b/poky/scripts/runqemu-ifdown
index 2486968..a104c37 100755
--- a/poky/scripts/runqemu-ifdown
+++ b/poky/scripts/runqemu-ifdown
@@ -13,18 +13,8 @@
 #
 # Copyright (c) 2006-2011 Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 usage() {
 	echo "sudo $(basename $0) <tap-dev> <native-sysroot-basedir>"
diff --git a/poky/scripts/runqemu-ifup b/poky/scripts/runqemu-ifup
index 59a15ea..bb66174 100755
--- a/poky/scripts/runqemu-ifup
+++ b/poky/scripts/runqemu-ifup
@@ -20,18 +20,8 @@
 #
 # Copyright (c) 2006-2011 Linux Foundation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 usage() {
 	echo "sudo $(basename $0) <uid> <gid> <native-sysroot-basedir>"
diff --git a/poky/scripts/send-error-report b/poky/scripts/send-error-report
index 0ed7cc9..cfbcaa5 100755
--- a/poky/scripts/send-error-report
+++ b/poky/scripts/send-error-report
@@ -6,6 +6,9 @@
 # Copyright (C) 2013 Intel Corporation
 # Author: Andreea Proca <andreea.b.proca@intel.com>
 # Author: Michael Wood <michael.g.wood@intel.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import urllib.request, urllib.error
 import sys
diff --git a/poky/scripts/send-pull-request b/poky/scripts/send-pull-request
index 883deac..70b5a5c 100755
--- a/poky/scripts/send-pull-request
+++ b/poky/scripts/send-pull-request
@@ -1,21 +1,8 @@
 #!/bin/bash
 #
 # Copyright (c) 2010-2011,  Intel Corporation.
-# All Rights Reserved
-# 
-# This program is free software;  you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY;  without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
-# the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program;  if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 
 #
diff --git a/poky/scripts/sstate-cache-management.sh b/poky/scripts/sstate-cache-management.sh
index 2ab450a..f1706a2 100755
--- a/poky/scripts/sstate-cache-management.sh
+++ b/poky/scripts/sstate-cache-management.sh
@@ -2,18 +2,7 @@
 
 #  Copyright (c) 2012 Wind River Systems, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 # Global vars
diff --git a/poky/scripts/sstate-diff-machines.sh b/poky/scripts/sstate-diff-machines.sh
index 27c6a33..1d721eb 100755
--- a/poky/scripts/sstate-diff-machines.sh
+++ b/poky/scripts/sstate-diff-machines.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Used to compare sstate checksums between MACHINES.
 # Execute script and compare generated list.M files.
 # Using bash to have PIPESTATUS variable.
diff --git a/poky/scripts/sstate-sysroot-cruft.sh b/poky/scripts/sstate-sysroot-cruft.sh
index d9917f5..fbf1ca3 100755
--- a/poky/scripts/sstate-sysroot-cruft.sh
+++ b/poky/scripts/sstate-sysroot-cruft.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
-
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # Used to find files installed in sysroot which are not tracked by sstate manifest
 
 # Global vars
diff --git a/poky/scripts/sysroot-relativelinks.py b/poky/scripts/sysroot-relativelinks.py
index ffe2547..56e36f3 100755
--- a/poky/scripts/sysroot-relativelinks.py
+++ b/poky/scripts/sysroot-relativelinks.py
@@ -1,4 +1,8 @@
 #!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
 import sys
 import os
 
diff --git a/poky/scripts/task-time b/poky/scripts/task-time
index e58040a..bcd1e25 100755
--- a/poky/scripts/task-time
+++ b/poky/scripts/task-time
@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import argparse
 import os
diff --git a/poky/scripts/test-reexec b/poky/scripts/test-reexec
index 30e792c..fccdac4 100755
--- a/poky/scripts/test-reexec
+++ b/poky/scripts/test-reexec
@@ -3,21 +3,8 @@
 # Test Script for task re-execution
 # 
 # Copyright 2012 Intel Corporation
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # DESCRIPTION
 # This script is intended to address issues for re-execution of 
diff --git a/poky/scripts/test-remote-image b/poky/scripts/test-remote-image
index 27b1cae..d209d22 100755
--- a/poky/scripts/test-remote-image
+++ b/poky/scripts/test-remote-image
@@ -1,19 +1,9 @@
 #!/usr/bin/env python3
-
+#
 # Copyright (c) 2014 Intel Corporation
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 # DESCRIPTION
 # This script is used to test public autobuilder images on remote hardware.
diff --git a/poky/scripts/tiny/dirsize.py b/poky/scripts/tiny/dirsize.py
index ddccc5a..501516b 100755
--- a/poky/scripts/tiny/dirsize.py
+++ b/poky/scripts/tiny/dirsize.py
@@ -1,22 +1,8 @@
 #!/usr/bin/env python3
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # Display details of the root filesystem size, broken up by directory.
 # Allows for limiting by size to focus on the larger files.
diff --git a/poky/scripts/tiny/ksize.py b/poky/scripts/tiny/ksize.py
index ea1ca7f..bc11919 100755
--- a/poky/scripts/tiny/ksize.py
+++ b/poky/scripts/tiny/ksize.py
@@ -1,22 +1,8 @@
 #!/usr/bin/env python3
 #
 # Copyright (c) 2011, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # Display details of the kernel build size, broken up by built-in.o. Sort
 # the objects by size. Run from the top level kernel build directory.
diff --git a/poky/scripts/tiny/ksum.py b/poky/scripts/tiny/ksum.py
index d4f3892..f38ae05 100755
--- a/poky/scripts/tiny/ksum.py
+++ b/poky/scripts/tiny/ksum.py
@@ -1,22 +1,8 @@
 #!/usr/bin/env python
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2016, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION 'ksum.py' generates a combined summary of vmlinux and
 # module sizes for a built kernel, as a quick tool for comparing the
diff --git a/poky/scripts/verify-bashisms b/poky/scripts/verify-bashisms
index a979bd2..fb0cc71 100755
--- a/poky/scripts/verify-bashisms
+++ b/poky/scripts/verify-bashisms
@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import sys, os, subprocess, re, shutil
 
diff --git a/poky/scripts/wic b/poky/scripts/wic
index b4b7212..1d89fb2 100755
--- a/poky/scripts/wic
+++ b/poky/scripts/wic
@@ -1,22 +1,8 @@
 #!/usr/bin/env python3
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (c) 2013, Intel Corporation.
-# All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # DESCRIPTION 'wic' is the OpenEmbedded Image Creator that users can
 # use to generate bootable images.  Invoking it without any arguments
@@ -426,7 +412,7 @@
     if rules == 'auto':
         return {}
     result = {}
-    for rule in rules.split('-'):
+    for rule in rules.split(','):
         try:
             part, size = rule.split(':')
         except ValueError:
@@ -501,6 +487,9 @@
 def init_parser(parser):
     parser.add_argument("--version", action="version",
         version="%(prog)s {version}".format(version=__version__))
+    parser.add_argument("-D", "--debug", dest="debug", action="store_true",
+        default=False, help="output debug information")
+
     subparsers = parser.add_subparsers(dest='command', help=hlp.wic_usage)
     for subcmd in subcommands:
         subparser = subparsers.add_parser(subcmd, help=subcommands[subcmd][2])
@@ -514,6 +503,8 @@
     init_parser(parser)
 
     args = parser.parse_args(argv)
+    if args.debug:
+        logger.setLevel(logging.DEBUG)
 
     if "command" in vars(args):
         if args.command == "help":
diff --git a/poky/scripts/yocto-check-layer b/poky/scripts/yocto-check-layer
index 106c955..010830f 100755
--- a/poky/scripts/yocto-check-layer
+++ b/poky/scripts/yocto-check-layer
@@ -3,7 +3,9 @@
 # Yocto Project layer checking tool
 #
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import sys
diff --git a/poky/scripts/yocto-check-layer-wrapper b/poky/scripts/yocto-check-layer-wrapper
index b5df9ce..2e3b699 100755
--- a/poky/scripts/yocto-check-layer-wrapper
+++ b/poky/scripts/yocto-check-layer-wrapper
@@ -6,7 +6,9 @@
 # script to avoid a contaminated environment.
 #
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 if [ -z "$BUILDDIR" ]; then
 	echo "Please source oe-init-build-env before run this script."