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BUILDSTATS_BASE = ${TMPDIR}/buildstats/
BNFILE = ${BUILDSTATS_BASE}/.buildname
################################################################################
# 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):
fields = open("/proc/%d/stat" % pid, "r").readline().rstrip().split()
# 13: utime, 14: stime, 15: cutime, 16: cstime
return sum(int(field) for field in fields[13:16])
def get_cputime():
fields = open("/proc/stat", "r").readline().rstrip().split()[1:]
return sum(int(field) for field in fields)
def set_timedata(var, data):
import time
time = time.time()
cputime = get_cputime()
proctime = get_process_cputime(os.getpid())
data.setVar(var, (time, cputime, proctime))
def get_timedata(var, data):
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
timediff = time.time() - oldtime
if cpudiff > 0:
cpuperc = float(procdiff) * 100 / cpudiff
else:
cpuperc = None
return timediff, cpuperc
##############################################
# We need to set the buildname to a file since
# BUILDNAME changes throughout a build
##############################################
def set_bn(e):
bn = e.getPkgs()[0] + "-" + bb.data.getVar('MACHINE',e.data, True)
try:
os.remove(bb.data.getVar('BNFILE',e.data, True))
except:
pass
file = open(bb.data.getVar('BNFILE',e.data, True), "w")
file.write(os.path.join(bn, bb.data.getVar('BUILDNAME', e.data, True)))
file.close()
def get_bn(e):
file = open(bb.data.getVar('BNFILE',e.data, True))
bn = file.readline()
file.close()
return bn
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.mkdirhier(bb.data.getVar('BUILDSTATS_BASE', e.data, True))
except:
pass
set_bn(e)
bn = get_bn(e)
bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
try:
bb.mkdirhier(bsdir)
except:
pass
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)
timedata = get_timedata("__timedata_build", e.data)
if not timedata:
return
time, cpu = timedata
bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
build_time = os.path.join(bsdir, "build_stats")
# write end of build and cpu used into build_time
file = open(build_time, "a")
file.write("Elapsed time: %0.2f seconds \n" % (time))
if cpu:
file.write("CPU usage: %0.1f%% \n" % cpu)
file.close()
if isinstance(e, bb.build.TaskStarted):
bn=get_bn(e)
set_timedata("__timedata_task", e.data)
bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
try:
bb.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" % time.time())
file.close()
elif isinstance(e, bb.build.TaskSucceeded):
bn=get_bn(e)
timedata = get_timedata("__timedata_task", e.data)
if not timedata:
return
elapsedtime, cpu = timedata
bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
file = open(os.path.join(taskdir, e.task), "a")
file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
(e.task, elapsedtime), e.data))
file.write("Ended: %0.2f \n" % time.time())
if cpu:
file.write("CPU usage: %0.1f%% \n" % cpu)
file.write("Status: PASSED")
file.close()
##############################################
# Alot of metric gathering occurs here.
# Reminder: I stripped out some in process stuff here
##############################################
if e.task == "do_rootfs":
bs=os.path.join(bsdir, "build_stats")
file = open(bs,"a")
rootfs = bb.data.getVar('IMAGE_ROOTFS', e.data, 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)
timedata = get_timedata("__timedata_task", e.data)
if not timedata:
return
time, cpu = timedata
bsdir = os.path.join(bb.data.getVar('BUILDSTATS_BASE', e.data, True), bn)
taskdir = os.path.join(bsdir, bb.data.expand("${PF}", e.data))
##############################################
# If the task fails dump the regular data.
# fgrep -R "FAILED" <bsdir>
# will grep all the events that failed.
##############################################
file = open(os.path.join(taskdir, e.task), "a")
file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
(e.task, time), e.data))
if cpu:
file.write("CPU usage: %0.1f%% \n" % cpu)
file.write("Status: FAILED")
file.close()
##############################################
# 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(bb.data.expand("Failed at: ${PF} at task: %s \n" % e.task, e.data))
file.close()
}
addhandler run_buildstats
|
