From c527fd1f14c27855a37f2e8ac5346ce8d940ced2 Mon Sep 17 00:00:00 2001 From: Tudor Florea Date: Thu, 16 Oct 2014 03:05:19 +0200 Subject: initial commit for Enea Linux 4.0-140929 Migrated from the internal git server on the daisy-enea-point-release branch Signed-off-by: Tudor Florea --- meta/classes/buildstats.bbclass | 289 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100644 meta/classes/buildstats.bbclass (limited to 'meta/classes/buildstats.bbclass') diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass new file mode 100644 index 0000000000..89ae72c679 --- /dev/null +++ b/meta/classes/buildstats.bbclass @@ -0,0 +1,289 @@ +BUILDSTATS_BASE = "${TMPDIR}/buildstats/" +BNFILE = "${BUILDSTATS_BASE}/.buildname" +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('BNFILE', True)) + except: + pass + with open(e.data.getVar('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('BNFILE', True)) as f: + bn = f.readline() + return bn + +def set_device(e): + tmpdir = e.data.getVar('TMPDIR', True) + try: + os.remove(e.data.getVar('DEVFILE', True)) + 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(device.st_dev) + minordev=os.minor(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 + file = open(e.data.getVar('DEVFILE', True), "w") + file.write(rdev) + file.close() + +def get_device(e): + file = open(e.data.getVar('DEVFILE', True)) + device = file.readline() + file.close() + 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) + taskdir = os.path.join(bsdir, e.data.expand("${PF}")) + file = open(os.path.join(logfile), "a") + timedata = get_timedata("__timedata_task", e.data, e.time) + if timedata: + elapsedtime, cpu = timedata + file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" % + (e.task, elapsedtime), e.data)) + if cpu: + file.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()): + file.write(key + ": " + diskdata[key] + "\n") + if status is "passed": + file.write("Status: PASSED \n") + else: + file.write("Status: FAILED \n") + file.write("Ended: %0.2f \n" % e.time) + file.close() + +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 + ######################################################################## + try: + bb.utils.mkdirhier(e.data.getVar('BUILDSTATS_BASE', True)) + except: + pass + 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) + try: + bb.utils.mkdirhier(bsdir) + except: + pass + 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 + file = open(build_time,"a") + host_info = platform.uname() + file.write("Host Info: ") + for x in host_info: + if x: + file.write(x + " ") + file.write("\n") + file.write("Build Started: %0.2f \n" % time.time()) + file.close() + + 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) + taskdir = os.path.join(bsdir, e.data.expand("${PF}")) + build_time = os.path.join(bsdir, "build_stats") + file = open(build_time, "a") + ######################################################################## + # 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 + file.write("Elapsed time: %0.2f seconds \n" % (time)) + if cpu: + file.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()): + file.write(key + ": " + diskio[key] + "\n") + file.close() + + 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.expand("${PF}")) + if device != "NoLogicalDevice": + set_diskdata("__diskdata_task", device, e.data) + set_timedata("__timedata_task", e.data, e.time) + try: + bb.utils.mkdirhier(taskdir) + except: + pass + # write into the task event file the name and start time + file = open(os.path.join(taskdir, e.task), "a") + file.write("Event: %s \n" % bb.event.getName(e)) + file.write("Started: %0.2f \n" % e.time) + file.close() + + elif isinstance(e, bb.build.TaskSucceeded): + bn = get_bn(e) + device = get_device(e) + bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn) + taskdir = os.path.join(bsdir, e.data.expand("${PF}")) + write_task_data("passed", os.path.join(taskdir, e.task), device, e) + if e.task == "do_rootfs": + bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn) + bs=os.path.join(bsdir, "build_stats") + file = open(bs,"a") + rootfs = e.data.getVar('IMAGE_ROOTFS', True) + rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read() + file.write("Uncompressed Rootfs size: %s" % rootfs_size) + file.close() + + 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.expand("${PF}")) + 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") + file = open(build_status,"a") + file.write(e.data.expand("Failed at: ${PF} at task: %s \n" % e.task)) + file.close() +} + +addhandler run_buildstats +run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed" + -- cgit v1.2.3-54-g00ecf