Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass
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+++ b/meta/classes/buildstats.bbclass
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+BUILDSTATS_BASE = "${TMPDIR}/buildstats/"
+BUILDSTATS_BNFILE = "${BUILDSTATS_BASE}/.buildname"
+BUILDSTATS_DEVFILE = "${BUILDSTATS_BASE}/.device"
+
+################################################################################
+# Build statistics gathering.
+#
+# The CPU and Time gathering/tracking functions and bbevent inspiration
+# were written by Christopher Larson and can be seen here:
+# http://kergoth.pastey.net/142813
+#
+################################################################################
+
+def get_process_cputime(pid):
+ with open("/proc/%d/stat" % pid, "r") as f:
+ fields = f.readline().rstrip().split()
+ # 13: utime, 14: stime, 15: cutime, 16: cstime
+ return sum(int(field) for field in fields[13:16])
+
+def get_cputime():
+ with open("/proc/stat", "r") as f:
+ fields = f.readline().rstrip().split()[1:]
+ return sum(int(field) for field in fields)
+
+def set_bn(e):
+ bn = e.getPkgs()[0] + "-" + e.data.getVar('MACHINE', True)
+ try:
+ os.remove(e.data.getVar('BUILDSTATS_BNFILE', True))
+ except:
+ pass
+ with open(e.data.getVar('BUILDSTATS_BNFILE', True), "w") as f:
+ f.write(os.path.join(bn, e.data.getVar('BUILDNAME', True)))
+
+def get_bn(e):
+ with open(e.data.getVar('BUILDSTATS_BNFILE', True)) as f:
+ bn = f.readline()
+ return bn
+
+def set_device(e):
+ tmpdir = e.data.getVar('TMPDIR', True)
+ devfile = e.data.getVar('BUILDSTATS_DEVFILE', True)
+ try:
+ os.remove(devfile)
+ except:
+ pass
+ ############################################################################
+ # We look for the volume TMPDIR lives on. To do all disks would make little
+ # sense and not give us any particularly useful data. In theory we could do
+ # something like stick DL_DIR on a different partition and this would
+ # throw stats gathering off. The same goes with SSTATE_DIR. However, let's
+ # get the basics in here and work on the cornercases later.
+ # A note. /proc/diskstats does not contain info on encryptfs, tmpfs, etc.
+ # If we end up hitting one of these fs, we'll just skip diskstats collection.
+ ############################################################################
+ device = os.stat(tmpdir)
+ majordev = os.major(long(device.st_dev))
+ minordev = os.minor(long(device.st_dev))
+ ############################################################################
+ # Bug 1700:
+ # Because tmpfs/encryptfs/ramfs etc inserts no entry in /proc/diskstats
+ # we set rdev to NoLogicalDevice and search for it later. If we find NLD
+ # we do not collect diskstats as the method to collect meaningful statistics
+ # for these fs types requires a bit more research.
+ ############################################################################
+ rdev = "NoLogicalDevice"
+ try:
+ with open("/proc/diskstats", "r") as f:
+ for line in f:
+ if majordev == int(line.split()[0]) and minordev == int(line.split()[1]):
+ rdev = line.split()[2]
+ except:
+ pass
+ with open(devfile, "w") as f:
+ f.write(rdev)
+
+def get_device(e):
+ with open(e.data.getVar('BUILDSTATS_DEVFILE', True)) as f:
+ device = f.readline()
+ return device
+
+def get_diskstats(dev):
+ import itertools
+ ############################################################################
+ # For info on what these are, see kernel doc file iostats.txt
+ ############################################################################
+ DSTAT_KEYS = ['ReadsComp', 'ReadsMerged', 'SectRead', 'TimeReads', 'WritesComp', 'SectWrite', 'TimeWrite', 'IOinProgress', 'TimeIO', 'WTimeIO']
+ try:
+ with open("/proc/diskstats", "r") as f:
+ for x in f:
+ if dev in x:
+ diskstats_val = x.rstrip().split()[4:]
+ except IOError as e:
+ return
+ diskstats = dict(itertools.izip(DSTAT_KEYS, diskstats_val))
+ return diskstats
+
+def set_diskdata(var, dev, data):
+ data.setVar(var, get_diskstats(dev))
+
+def get_diskdata(var, dev, data):
+ olddiskdata = data.getVar(var, False)
+ diskdata = {}
+ if olddiskdata is None:
+ return
+ newdiskdata = get_diskstats(dev)
+ for key in olddiskdata.iterkeys():
+ diskdata["Start"+key] = str(int(olddiskdata[key]))
+ diskdata["End"+key] = str(int(newdiskdata[key]))
+ return diskdata
+
+def set_timedata(var, data, server_time=None):
+ import time
+ if server_time:
+ time = server_time
+ else:
+ time = time.time()
+ cputime = get_cputime()
+ proctime = get_process_cputime(os.getpid())
+ data.setVar(var, (time, cputime, proctime))
+
+def get_timedata(var, data, server_time=None):
+ import time
+ timedata = data.getVar(var, False)
+ if timedata is None:
+ return
+ oldtime, oldcpu, oldproc = timedata
+ procdiff = get_process_cputime(os.getpid()) - oldproc
+ cpudiff = get_cputime() - oldcpu
+ if server_time:
+ end_time = server_time
+ else:
+ end_time = time.time()
+ timediff = end_time - oldtime
+ if cpudiff > 0:
+ cpuperc = float(procdiff) * 100 / cpudiff
+ else:
+ cpuperc = None
+ return timediff, cpuperc
+
+def write_task_data(status, logfile, dev, e):
+ bn = get_bn(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ with open(os.path.join(logfile), "a") as f:
+ timedata = get_timedata("__timedata_task", e.data, e.time)
+ if timedata:
+ elapsedtime, cpu = timedata
+ f.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
+ (e.task, elapsedtime), e.data))
+ if cpu:
+ f.write("CPU usage: %0.1f%% \n" % cpu)
+ ############################################################################
+ # Here we gather up disk data. In an effort to avoid lying with stats
+ # I do a bare minimum of analysis of collected data.
+ # The simple fact is, doing disk io collection on a per process basis
+ # without effecting build time would be difficult.
+ # For the best information, running things with BB_TOTAL_THREADS = "1"
+ # would return accurate per task results.
+ ############################################################################
+ if dev != "NoLogicalDevice":
+ diskdata = get_diskdata("__diskdata_task", dev, e.data)
+ if diskdata:
+ for key in sorted(diskdata.iterkeys()):
+ f.write(key + ": " + diskdata[key] + "\n")
+ if status is "passed":
+ f.write("Status: PASSED \n")
+ else:
+ f.write("Status: FAILED \n")
+ f.write("Ended: %0.2f \n" % e.time)
+
+python run_buildstats () {
+ import bb.build
+ import bb.event
+ import bb.data
+ import time, subprocess, platform
+
+ if isinstance(e, bb.event.BuildStarted):
+ ########################################################################
+ # at first pass make the buildstats heriarchy and then
+ # set the buildname
+ ########################################################################
+ bb.utils.mkdirhier(e.data.getVar('BUILDSTATS_BASE', True))
+ set_bn(e)
+ bn = get_bn(e)
+ set_device(e)
+ device = get_device(e)
+
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ bb.utils.mkdirhier(bsdir)
+ if device != "NoLogicalDevice":
+ set_diskdata("__diskdata_build", device, e.data)
+ set_timedata("__timedata_build", e.data)
+ build_time = os.path.join(bsdir, "build_stats")
+ # write start of build into build_time
+ with open(build_time, "a") as f:
+ host_info = platform.uname()
+ f.write("Host Info: ")
+ for x in host_info:
+ if x:
+ f.write(x + " ")
+ f.write("\n")
+ f.write("Build Started: %0.2f \n" % time.time())
+
+ elif isinstance(e, bb.event.BuildCompleted):
+ bn = get_bn(e)
+ device = get_device(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ build_time = os.path.join(bsdir, "build_stats")
+ with open(build_time, "a") as f:
+ ########################################################################
+ # Write build statistics for the build
+ ########################################################################
+ timedata = get_timedata("__timedata_build", e.data)
+ if timedata:
+ time, cpu = timedata
+ # write end of build and cpu used into build_time
+ f.write("Elapsed time: %0.2f seconds \n" % (time))
+ if cpu:
+ f.write("CPU usage: %0.1f%% \n" % cpu)
+ if device != "NoLogicalDevice":
+ diskio = get_diskdata("__diskdata_build", device, e.data)
+ if diskio:
+ for key in sorted(diskio.iterkeys()):
+ f.write(key + ": " + diskio[key] + "\n")
+
+ if isinstance(e, bb.build.TaskStarted):
+ bn = get_bn(e)
+ device = get_device(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ taskdir = os.path.join(bsdir, e.data.getVar('PF', True))
+ if device != "NoLogicalDevice":
+ set_diskdata("__diskdata_task", device, e.data)
+ set_timedata("__timedata_task", e.data, e.time)
+ bb.utils.mkdirhier(taskdir)
+ # write into the task event file the name and start time
+ with open(os.path.join(taskdir, e.task), "a") as f:
+ f.write("Event: %s \n" % bb.event.getName(e))
+ f.write("Started: %0.2f \n" % e.time)
+
+ elif isinstance(e, bb.build.TaskSucceeded):
+ bn = get_bn(e)
+ device = get_device(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ taskdir = os.path.join(bsdir, e.data.getVar('PF', True))
+ write_task_data("passed", os.path.join(taskdir, e.task), device, e)
+ if e.task == "do_rootfs":
+ bs = os.path.join(bsdir, "build_stats")
+ with open(bs, "a") as f:
+ rootfs = e.data.getVar('IMAGE_ROOTFS', True)
+ rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read()
+ f.write("Uncompressed Rootfs size: %s" % rootfs_size)
+
+ elif isinstance(e, bb.build.TaskFailed):
+ bn = get_bn(e)
+ device = get_device(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ taskdir = os.path.join(bsdir, e.data.getVar('PF', True))
+ write_task_data("failed", os.path.join(taskdir, e.task), device, e)
+ ########################################################################
+ # Lets make things easier and tell people where the build failed in
+ # build_status. We do this here because BuildCompleted triggers no
+ # matter what the status of the build actually is
+ ########################################################################
+ build_status = os.path.join(bsdir, "build_stats")
+ with open(build_status, "a") as f:
+ f.write(e.data.expand("Failed at: ${PF} at task: %s \n" % e.task))
+}
+
+addhandler run_buildstats
+run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed"
+