diff --git a/poky/scripts/contrib/build-perf-test-wrapper.sh b/poky/scripts/contrib/build-perf-test-wrapper.sh
index 19bee1d..7cbb5d7 100755
--- a/poky/scripts/contrib/build-perf-test-wrapper.sh
+++ b/poky/scripts/contrib/build-perf-test-wrapper.sh
@@ -33,7 +33,9 @@
   -c COMMITISH      test (checkout) this commit, <branch>:<commit> can be
                     specified to test specific commit of certain branch
   -C GIT_REPO       commit results into Git
+  -d DOWNLOAD_DIR   directory to store downloaded sources in
   -E EMAIL_ADDR     send email report
+  -g GLOBALRES_DIR  where to place the globalres file
   -P GIT_REMOTE     push results to a remote Git repository
   -R DEST           rsync reports to a remote destination
   -w WORK_DIR       work dir for this script
@@ -51,19 +53,26 @@
 commitish=""
 oe_build_perf_test_extra_opts=()
 oe_git_archive_extra_opts=()
-while getopts "ha:c:C:E:P:R:w:x" opt; do
+while getopts "ha:c:C:d:E:g:P:R:w:x" opt; do
     case $opt in
         h)  usage
             exit 0
             ;;
-        a)  archive_dir=`realpath -s "$OPTARG"`
+        a)  mkdir -p "$OPTARG"
+            archive_dir=`realpath -s "$OPTARG"`
             ;;
         c)  commitish=$OPTARG
             ;;
-        C)  results_repo=`realpath -s "$OPTARG"`
+        C)  mkdir -p "$OPTARG"
+            results_repo=`realpath -s "$OPTARG"`
+            ;;
+        d)  download_dir=`realpath -s "$OPTARG"`
             ;;
         E)  email_to="$OPTARG"
             ;;
+        g)  mkdir -p "$OPTARG"
+            globalres_dir=`realpath -s "$OPTARG"`
+            ;;
         P)  oe_git_archive_extra_opts+=("--push" "$OPTARG")
             ;;
         R)  rsync_dst="$OPTARG"
@@ -86,6 +95,17 @@
     exit 1
 fi
 
+if [ -n "$email_to" ]; then
+    if ! [ -x "$(command -v phantomjs)" ]; then
+        echo "ERROR: Sending email needs phantomjs."
+        exit 1
+    fi
+    if ! [ -x "$(command -v optipng)" ]; then
+        echo "ERROR: Sending email needs optipng."
+        exit 1
+    fi
+fi
+
 # Open a file descriptor for flock and acquire lock
 LOCK_FILE="/tmp/oe-build-perf-test-wrapper.lock"
 if ! exec 3> "$LOCK_FILE"; then
@@ -146,11 +166,18 @@
 fi
 echo "Using working dir $base_dir"
 
+if [ -z "$download_dir" ]; then
+    download_dir="$base_dir/downloads"
+fi
+if [ -z "$globalres_dir" ]; then
+    globalres_dir="$base_dir"
+fi
+
 timestamp=`date "+%Y%m%d%H%M%S"`
 git_rev=$(git rev-parse --short HEAD)  || exit 1
 build_dir="$base_dir/build-$git_rev-$timestamp"
 results_dir="$base_dir/results-$git_rev-$timestamp"
-globalres_log="$base_dir/globalres.log"
+globalres_log="$globalres_dir/globalres.log"
 machine="qemux86"
 
 mkdir -p "$base_dir"
@@ -161,7 +188,7 @@
 echo "MACHINE = \"$machine\"" > "$auto_conf"
 echo 'BB_NUMBER_THREADS = "8"' >> "$auto_conf"
 echo 'PARALLEL_MAKE = "-j 8"' >> "$auto_conf"
-echo "DL_DIR = \"$base_dir/downloads\"" >> "$auto_conf"
+echo "DL_DIR = \"$download_dir\"" >> "$auto_conf"
 # Disabling network sanity check slightly reduces the variance of timing results
 echo 'CONNECTIVITY_CHECK_URIS = ""' >> "$auto_conf"
 # Possibility to define extra settings