282 lines
11 KiB
Plaintext
282 lines
11 KiB
Plaintext
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BUILDSTATS_BASE = ${TMPDIR}/buildstats/
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BNFILE = ${BUILDSTATS_BASE}/.buildname
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DEVFILE = ${BUILDSTATS_BASE}/.device
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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_bn(e):
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bn = e.getPkgs()[0] + "-" + e.data.getVar('MACHINE', True)
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try:
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os.remove(e.data.getVar('BNFILE', True))
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except:
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pass
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file = open(e.data.getVar('BNFILE', True), "w")
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file.write(os.path.join(bn, e.data.getVar('BUILDNAME', True)))
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file.close()
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def get_bn(e):
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file = open(e.data.getVar('BNFILE', True))
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bn = file.readline()
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file.close()
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return bn
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def set_device(e):
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tmpdir = e.data.getVar('TMPDIR', True)
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try:
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os.remove(e.data.getVar('DEVFILE', True))
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except:
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pass
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############################################################################
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# We look for the volume TMPDIR lives on. To do all disks would make little
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# sense and not give us any particularly useful data. In theory we could do
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# something like stick DL_DIR on a different partition and this would
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# throw stats gathering off. The same goes with SSTATE_DIR. However, let's
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# get the basics in here and work on the cornercases later.
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# A note. /proc/diskstats does not contain info on encryptfs, tmpfs, etc.
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# If we end up hitting one of these fs, we'll just skip diskstats collection.
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############################################################################
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device=os.stat(tmpdir)
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majordev=os.major(device.st_dev)
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minordev=os.minor(device.st_dev)
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############################################################################
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# Bug 1700:
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# Because tmpfs/encryptfs/ramfs etc inserts no entry in /proc/diskstats
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# we set rdev to NoLogicalDevice and search for it later. If we find NLD
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# we do not collect diskstats as the method to collect meaningful statistics
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# for these fs types requires a bit more research.
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############################################################################
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rdev="NoLogicalDevice"
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try:
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for line in open("/proc/diskstats", "r"):
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if majordev == int(line.split()[0]) and minordev == int(line.split()[1]):
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rdev=line.split()[2]
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except:
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pass
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file = open(e.data.getVar('DEVFILE', True), "w")
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file.write(rdev)
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file.close()
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def get_device(e):
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file = open(e.data.getVar('DEVFILE', True))
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device = file.readline()
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file.close()
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return device
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def get_diskstats(dev):
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import itertools
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############################################################################
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# For info on what these are, see kernel doc file iostats.txt
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############################################################################
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DSTAT_KEYS = ['ReadsComp', 'ReadsMerged', 'SectRead', 'TimeReads', 'WritesComp', 'SectWrite', 'TimeWrite', 'IOinProgress', 'TimeIO', 'WTimeIO']
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try:
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for x in open("/proc/diskstats", "r"):
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if dev in x:
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diskstats_val = x.rstrip().split()[4:]
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except IOError as e:
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return
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diskstats = dict(itertools.izip(DSTAT_KEYS, diskstats_val))
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return diskstats
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def set_diskdata(var, dev, data):
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data.setVar(var, get_diskstats(dev))
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def get_diskdata(var, dev, data):
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olddiskdata = data.getVar(var, False)
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diskdata = {}
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if olddiskdata is None:
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return
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newdiskdata = get_diskstats(dev)
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for key in olddiskdata.iterkeys():
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diskdata["Start"+key] = str(int(olddiskdata[key]))
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diskdata["End"+key] = str(int(newdiskdata[key]))
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return diskdata
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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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def write_task_data(status, logfile, dev, e):
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bn = get_bn(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', 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(logfile), "a")
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timedata = get_timedata("__timedata_task", e.data)
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if timedata:
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elapsedtime, cpu = timedata
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file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
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(e.task, elapsedtime), e.data))
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if cpu:
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file.write("CPU usage: %0.1f%% \n" % cpu)
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############################################################################
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# Here we gather up disk data. In an effort to avoid lying with stats
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# I do a bare minimum of analysis of collected data.
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# The simple fact is, doing disk io collection on a per process basis
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# without effecting build time would be difficult.
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# For the best information, running things with BB_TOTAL_THREADS = "1"
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# would return accurate per task results.
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############################################################################
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if dev != "NoLogicalDevice":
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diskdata = get_diskdata("__diskdata_task", dev, e.data)
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if diskdata:
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for key in sorted(diskdata.iterkeys()):
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file.write(key + ": " + diskdata[key] + "\n")
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if status is "passed":
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file.write("Status: PASSED \n")
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else:
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file.write("Status: FAILED \n")
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file.write("Ended: %0.2f \n" % time.time())
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file.close()
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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, platform
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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(e.data.getVar('BUILDSTATS_BASE', 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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set_device(e)
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device = get_device(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', 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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if device != "NoLogicalDevice":
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set_diskdata("__diskdata_build", device, e.data)
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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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host_info = platform.uname()
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file.write("Host Info: ")
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for x in host_info:
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if x:
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file.write(x + " ")
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file.write("\n")
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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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device = get_device(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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build_time = os.path.join(bsdir, "build_stats")
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file = open(build_time, "a")
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########################################################################
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# Write build statistics for the build
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########################################################################
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timedata = get_timedata("__timedata_build", e.data)
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if timedata:
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time, cpu = timedata
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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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if device != "NoLogicalDevice":
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diskio = get_diskdata("__diskdata_build", device, e.data)
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if diskio:
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for key in sorted(diskio.iterkeys()):
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file.write(key + ": " + diskio[key] + "\n")
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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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device = get_device(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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if device != "NoLogicalDevice":
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set_diskdata("__diskdata_task", device, e.data)
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set_timedata("__timedata_task", e.data)
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try:
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bb.mkdirhier(taskdir)
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except:
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pass
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# write into the task event file the name and start time
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file = open(os.path.join(taskdir, e.task), "a")
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file.write("Event: %s \n" % bb.event.getName(e))
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file.write("Started: %0.2f \n" % time.time())
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file.close()
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elif isinstance(e, bb.build.TaskSucceeded):
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bn = get_bn(e)
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device = get_device(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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write_task_data("passed", os.path.join(taskdir, e.task), device, e)
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if e.task == "do_rootfs":
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
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bs=os.path.join(bsdir, "build_stats")
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file = open(bs,"a")
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rootfs = e.data.getVar('IMAGE_ROOTFS', 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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device = get_device(e)
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bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
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taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
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write_task_data("failed", os.path.join(taskdir, e.task), device, e)
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########################################################################
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# Lets make things easier and tell people where the build failed in
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# build_status. We do this here because BuildCompleted triggers no
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# matter what the status of the 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, e.data))
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file.close()
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}
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addhandler run_buildstats
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