Buildstats commit: buildstats.bbclass
Used to track some basic build metrics by build and task/event level. Signed-off-by: Beth Flanagan <elizabeth.flanagan@intel.com>
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@ -7,6 +7,7 @@ inherit mirrors
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inherit utils
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inherit utility-tasks
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inherit metadata_scm
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inherit buildstats
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python sys_path_eh () {
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if isinstance(e, bb.event.ConfigParsed):
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@ -0,0 +1,194 @@
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BUILDSTATS_BASE = ${TMPDIR}/buildstats/
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BNFILE = ${BUILDSTATS_BASE}/.buildname
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################################################################################
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# Build statistics gathering.
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#
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# The CPU and Time gathering/tracking functions and bbevent inspiration
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# were written by Christopher Larson and can be seen here:
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# http://kergoth.pastey.net/142813
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#
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################################################################################
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def get_process_cputime(pid):
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fields = open("/proc/%d/stat" % pid, "r").readline().rstrip().split()
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# 13: utime, 14: stime, 15: cutime, 16: cstime
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return sum(int(field) for field in fields[13:16])
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def get_cputime():
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fields = open("/proc/stat", "r").readline().rstrip().split()[1:]
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return sum(int(field) for field in fields)
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def set_timedata(var, data):
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import time
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time = time.time()
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cputime = get_cputime()
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proctime = get_process_cputime(os.getpid())
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data.setVar(var, (time, cputime, proctime))
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def get_timedata(var, data):
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import time
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timedata = data.getVar(var, False)
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if timedata is None:
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return
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oldtime, oldcpu, oldproc = timedata
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procdiff = get_process_cputime(os.getpid()) - oldproc
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cpudiff = get_cputime() - oldcpu
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timediff = time.time() - oldtime
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if cpudiff > 0:
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cpuperc = float(procdiff) * 100 / cpudiff
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else:
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cpuperc = None
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return timediff, cpuperc
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##############################################
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# We need to set the buildname to a file since
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# BUILDNAME changes throughout a build
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##############################################
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def set_bn(e):
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bn = e.getPkgs()[0] + "-" + bb.data.getVar('MACHINE',e.data, True)
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try:
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os.remove(bb.data.getVar('BNFILE',e.data, True))
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except:
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pass
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file = open(bb.data.getVar('BNFILE',e.data, True), "w")
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file.write(os.path.join(bn, bb.data.getVar('BUILDNAME', e.data, True)))
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file.close()
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def get_bn(e):
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file = open(bb.data.getVar('BNFILE',e.data, True))
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bn = file.readline()
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file.close()
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return bn
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python run_buildstats () {
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import bb.build
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import bb.event
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import bb.data
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import time, subprocess
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if isinstance(e, bb.event.BuildStarted):
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##############################################
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# at first pass make the buildstats heriarchy and then
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# set the buildname
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##############################################
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try:
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bb.mkdirhier(bb.data.getVar('BUILDSTATS_BASE', e.data, True))
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except:
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pass
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set_bn(e)
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bn = get_bn(e)
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bb.warn(bn)
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bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
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try:
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bb.mkdirhier(bsdir)
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except:
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pass
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set_timedata("__timedata_build", e.data)
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build_time = os.path.join(bsdir, "build_stats")
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# write start of build into build_time
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file = open(build_time,"a")
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# We do this here because subprocess within BuildStarted is messy
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host_info = subprocess.Popen(["uname", "-a"], stdout=subprocess.PIPE).stdout.read()
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file.write("Host Info: %s" % host_info)
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file.write("Build Started: %0.2f \n" % time.time())
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file.close()
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elif isinstance(e, bb.event.BuildCompleted):
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bn=get_bn(e)
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timedata = get_timedata("__timedata_build", e.data)
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if not timedata:
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return
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time, cpu = timedata
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bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
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build_time = os.path.join(bsdir, "build_stats")
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# write end of build and cpu used into build_time
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file = open(build_time, "a")
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file.write("Elapsed time: %0.2f seconds \n" % (time))
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if cpu:
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file.write("CPU usage: %0.1f%% \n" % cpu)
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file.close()
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if isinstance(e, bb.build.TaskStarted):
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bn=get_bn(e)
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set_timedata("__timedata_task", e.data)
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bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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try:
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bb.mkdirhier(taskdir)
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except:
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pass
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# write into the task event file the name and start time
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file = open(os.path.join(taskdir, e.task), "a")
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file.write("Event: %s \n" % bb.event.getName(e))
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file.write("Started: %0.2f \n" % time.time())
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file.close()
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elif isinstance(e, bb.build.TaskSucceeded):
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bn=get_bn(e)
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timedata = get_timedata("__timedata_task", e.data)
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if not timedata:
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return
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time, cpu = timedata
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bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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file = open(os.path.join(taskdir, e.task), "a")
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file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
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(e.task, time), e.data))
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if cpu:
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file.write("CPU usage: %0.1f%% \n" % cpu)
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file.write("Status: PASSED")
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file.close()
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##############################################
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# Alot of metric gathering occurs here.
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# Reminder: I stripped out some in process stuff here
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##############################################
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if e.task == "do_rootfs":
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bs=os.path.join(bsdir, "build_stats")
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file = open(bs,"a")
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rootfs = bb.data.getVar('IMAGE_ROOTFS', e.data, True)
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rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read()
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file.write("Uncompressed Rootfs size: %s" % rootfs_size)
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file.close()
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elif isinstance(e, bb.build.TaskFailed):
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bn=get_bn(e)
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timedata = get_timedata("__timedata_task", e.data)
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if not timedata:
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return
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time, cpu = timedata
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bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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##############################################
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# If the task fails dump the regular data.
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# fgrep -R "FAILED" <bsdir>
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# will grep all the events that failed.
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##############################################
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file = open(os.path.join(taskdir, e.task), "a")
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file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
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(e.task, time), e.data))
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if cpu:
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file.write("CPU usage: %0.1f%% \n" % cpu)
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file.write("Status: FAILED")
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file.close()
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##############################################
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# Lets make things easier and tell people where the build failed in build_status
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# We do this here because BuildCompleted triggers no matter what the status of the
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# build actually is
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##############################################
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build_status = os.path.join(bsdir, "build_stats")
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file = open(build_status,"a")
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file.write(bb.data.expand("Failed at: ${PF} at task: %s \n", e.task))
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file.close()
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}
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addhandler run_buildstats
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