def SetupPrebuiltTools(device):
# TODO(bulach): build the host tools for mac, and the targets for x86/mips.
# Prebuilt tools from r226197.
has_prebuilt = sys.platform.startswith('linux')
if has_prebuilt:
adb = AdbCommands(device)
abi = adb.RunShellCommand('getprop ro.product.cpu.abi')
has_prebuilt = abi and abi[0].startswith('armeabi')
if not has_prebuilt:
logging.error('Prebuilt tools only available for ARM.')
return False
prebuilt_tools = [
'forwarder_dist/device_forwarder',
'host_forwarder',
'md5sum_dist/md5sum_bin',
'md5sum_bin_host',
]
for t in prebuilt_tools:
src = os.path.basename(t)
android_prebuilt_profiler_helper.GetIfChanged(src)
dest = os.path.join(constants.GetOutDirectory(), t)
if not os.path.exists(dest):
logging.warning('Setting up prebuilt %s', dest)
if not os.path.exists(os.path.dirname(dest)):
os.makedirs(os.path.dirname(dest))
shutil.copyfile(android_prebuilt_profiler_helper.GetHostPath(src),
dest)
os.chmod(dest, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
return True
def CollectProfile(self):
if ('renderer' in self._output_file and not self._is_android
and not self._platform_backend.GetCommandLine(self._pid)):
logging.warning('Renderer was swapped out during profiling. '
'To collect a full profile rerun with '
'"--extra-browser-args=--single-process"')
if self._is_android:
perf_pids = self._browser_backend.adb.Adb().ExtractPid('perf')
self._browser_backend.adb.Adb().RunShellCommand(
'kill -SIGINT ' + ' '.join(perf_pids))
util.WaitFor(
lambda: not self._browser_backend.adb.Adb().ExtractPid('perf'),
timeout=2)
self._proc.send_signal(signal.SIGINT)
exit_code = self._proc.wait()
try:
if exit_code == 128:
raise Exception("""perf failed with exit code 128.
Try rerunning this script under sudo or setting
/proc/sys/kernel/perf_event_paranoid to "-1".\nOutput:\n%s""" %
self._GetStdOut())
elif exit_code not in (0, -2):
raise Exception('perf failed with exit code %d. Output:\n%s' %
(exit_code, self._GetStdOut()))
finally:
self._tmp_output_file.close()
cmd = 'perf report'
if self._is_android:
self._browser_backend.adb.Adb().Adb().Pull(
self._device_output_file, self._output_file)
host_symfs = os.path.join(os.path.dirname(self._output_file),
'data', 'app-lib')
if not os.path.exists(host_symfs):
os.makedirs(host_symfs)
# On Android, the --symfs parameter needs to map a directory structure
# similar to the device, that is:
# --symfs=/tmp/foobar and then inside foobar there'll be something like
# /tmp/foobar/data/app-lib/$PACKAGE/libname.so
# Assume the symbolized library under out/Release/lib is equivalent to
# the one in the device, and symlink it in the host to match --symfs.
device_dir = filter(
lambda app_lib: app_lib.startswith(self._browser_backend.
package),
self._browser_backend.adb.Adb().RunShellCommand(
'ls /data/app-lib'))
os.symlink(
os.path.abspath(
os.path.join(util.GetChromiumSrcDir(),
os.environ.get('CHROMIUM_OUT_DIR', 'out'),
'Release', 'lib')),
os.path.join(host_symfs, device_dir[0]))
print 'On Android, assuming $CHROMIUM_OUT_DIR/Release/lib has a fresh'
print 'symbolized library matching the one on device.'
cmd = (android_prebuilt_profiler_helper.GetHostPath('perfhost') +
' report --symfs %s' % os.path.dirname(self._output_file))
print 'To view the profile, run:'
print ' %s -n -i %s' % (cmd, self._output_file)
return self._output_file
def __init__(self, browser_backend, platform_backend, output_path, state):
super(PerfProfiler, self).__init__(browser_backend, platform_backend,
output_path, state)
process_output_file_map = self._GetProcessOutputFileMap()
self._process_profilers = []
if platform_backend.GetOSName() == 'android':
android_prebuilt_profiler_helper.GetIfChanged('perfhost')
os.chmod(android_prebuilt_profiler_helper.GetHostPath('perfhost'),
stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
android_prebuilt_profiler_helper.InstallOnDevice(
browser_backend.adb, 'perf')
for pid, output_file in process_output_file_map.iteritems():
if 'zygote' in output_file:
continue
self._process_profilers.append(
_SingleProcessPerfProfiler(pid, output_file, browser_backend,
platform_backend))
def SetupPrebuiltTools(adb):
# TODO(bulach): build the host tools for mac, and the targets for x86/mips.
# Prebuilt tools from r226197.
has_prebuilt = sys.platform.startswith('linux')
if has_prebuilt:
abi = adb.system_properties['ro.product.cpu.abi']
has_prebuilt = abi.startswith('armeabi')
if not has_prebuilt:
logging.error(
'Prebuilt android tools only available for Linux host and ARM device.'
)
return False
prebuilt_tools = [
'bitmaptools',
'file_poller',
'forwarder_dist/device_forwarder',
'host_forwarder',
'md5sum_dist/md5sum_bin',
'md5sum_bin_host',
'purge_ashmem',
]
build_type = None
for t in prebuilt_tools:
src = os.path.basename(t)
android_prebuilt_profiler_helper.GetIfChanged(src)
bin_path = util.FindSupportBinary(t)
if not build_type:
build_type = GetBuildTypeOfPath(bin_path) or 'Release'
constants.SetBuildType(build_type)
dest = os.path.join(constants.GetOutDirectory(), t)
if not bin_path:
logging.warning('Setting up prebuilt %s', dest)
if not os.path.exists(os.path.dirname(dest)):
os.makedirs(os.path.dirname(dest))
prebuilt_path = android_prebuilt_profiler_helper.GetHostPath(src)
if not os.path.exists(prebuilt_path):
raise NotImplementedError("""
%s must be checked into cloud storage.
Instructions:
http://www.chromium.org/developers/telemetry/upload_to_cloud_storage
""" % t)
shutil.copyfile(prebuilt_path, dest)
os.chmod(dest, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
return True