def start_recording(args):
adb = AdbHelper()
device_arch = adb.get_device_arch()
simpleperf_binary = get_target_binary_path(device_arch, 'simpleperf')
adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
adb.check_run(['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
adb.check_run([
'shell', 'rm', '-rf', '/data/local/tmp/perf.data',
'/data/local/tmp/simpleperf_output'
])
shell_cmd = 'cd /data/local/tmp && nohup ./simpleperf record ' + args.record_options
if args.app:
shell_cmd += ' --app ' + args.app
if args.size_limit:
shell_cmd += ' --size-limit ' + args.size_limit
shell_cmd += ' >/data/local/tmp/simpleperf_output 2>&1'
print('shell_cmd: %s' % shell_cmd)
subproc = subprocess.Popen([adb.adb_path, 'shell', shell_cmd])
# Wait 2 seconds to see if the simpleperf command fails to start.
time.sleep(2)
if subproc.poll() is None:
print(
'Simpleperf recording has started. Please unplug the usb cable and run the app.'
)
print('After that, run `%s stop` to get recording result.' %
sys.argv[0])
else:
adb.run(['shell', 'cat', '/data/local/tmp/simpleperf_output'])
sys.exit(subproc.returncode)
def main():
disable_debug_log()
adb = AdbHelper()
device_arch = adb.get_device_arch()
simpleperf_binary = get_target_binary_path(device_arch, 'simpleperf')
adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
adb.check_run(['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
shell_cmd = 'cd /data/local/tmp && ./simpleperf ' + ' '.join(sys.argv[1:])
sys.exit(subprocess.call([adb.adb_path, 'shell', shell_cmd]))
def main():
disable_debug_log()
adb = AdbHelper()
device_arch = adb.get_device_arch()
simpleperf_binary = get_target_binary_path(device_arch, 'simpleperf')
adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
adb.check_run(['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
shell_cmd = 'cd /data/local/tmp && ./simpleperf ' + ' '.join(sys.argv[1:])
sys.exit(subprocess.call([adb.adb_path, 'shell', shell_cmd]))
def start_recording(args):
adb = AdbHelper()
device_arch = adb.get_device_arch()
simpleperf_binary = get_target_binary_path(device_arch, 'simpleperf')
adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
adb.check_run(['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
adb.check_run(['shell', 'rm', '-rf', '/data/local/tmp/perf.data',
'/data/local/tmp/simpleperf_output'])
shell_cmd = 'cd /data/local/tmp && nohup ./simpleperf record ' + args.record_options
if args.app:
shell_cmd += ' --app ' + args.app
if args.size_limit:
shell_cmd += ' --size-limit ' + args.size_limit
shell_cmd += ' >/data/local/tmp/simpleperf_output 2>&1'
print('shell_cmd: %s' % shell_cmd)
subproc = subprocess.Popen([adb.adb_path, 'shell', shell_cmd])
# Wait 2 seconds to see if the simpleperf command fails to start.
time.sleep(2)
if subproc.poll() is None:
print('Simpleperf recording has started. Please unplug the usb cable and run the app.')
print('After that, run `%s stop` to get recording result.' % sys.argv[0])
else:
adb.run(['shell', 'cat', '/data/local/tmp/simpleperf_output'])
sys.exit(subproc.returncode)
class ProfilerBase(object):
"""Base class of all Profilers."""
def __init__(self, args):
self.args = args
self.adb = AdbHelper(enable_switch_to_root=not args.disable_adb_root)
self.is_root_device = self.adb.switch_to_root()
self.android_version = self.adb.get_android_version()
if self.android_version < 7:
log_exit(
"""app_profiler.py isn't supported on Android < N, please switch to use
simpleperf binary directly.""")
self.device_arch = self.adb.get_device_arch()
self.record_subproc = None
def profile(self):
log_info('prepare profiling')
self.prepare()
log_info('start profiling')
self.start()
self.wait_profiling()
log_info('collect profiling data')
self.collect_profiling_data()
log_info('profiling is finished.')
def prepare(self):
"""Prepare recording. """
self.download_simpleperf()
if self.args.native_lib_dir:
self.download_libs()
def download_simpleperf(self):
simpleperf_binary = get_target_binary_path(self.device_arch,
'simpleperf')
self.adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
self.adb.check_run(
['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
def download_libs(self):
downloader = NativeLibDownloader(self.args.ndk_path, self.device_arch,
self.adb)
downloader.collect_native_libs_on_host(self.args.native_lib_dir)
downloader.collect_native_libs_on_device()
downloader.sync_native_libs_on_device()
def start(self):
raise NotImplementedError
def start_profiling(self, target_args):
"""Start simpleperf reocrd process on device."""
args = [
'/data/local/tmp/simpleperf', 'record', '-o',
'/data/local/tmp/perf.data', self.args.record_options
]
if self.adb.run(
['shell', 'ls', NATIVE_LIBS_DIR_ON_DEVICE, '>/dev/null', '2>&1']):
args += ['--symfs', NATIVE_LIBS_DIR_ON_DEVICE]
args += ['--log', self.args.log]
args += target_args
adb_args = [self.adb.adb_path, 'shell'] + args
log_info('run adb cmd: %s' % adb_args)
self.record_subproc = subprocess.Popen(adb_args)
def wait_profiling(self):
"""Wait until profiling finishes, or stop profiling when user presses Ctrl-C."""
returncode = None
try:
returncode = self.record_subproc.wait()
except KeyboardInterrupt:
self.stop_profiling()
self.record_subproc = None
# Don't check return value of record_subproc. Because record_subproc also
# receives Ctrl-C, and always returns non-zero.
returncode = 0
log_debug('profiling result [%s]' % (returncode == 0))
if returncode != 0:
log_exit('Failed to record profiling data.')
def stop_profiling(self):
"""Stop profiling by sending SIGINT to simpleperf, and wait until it exits
to make sure perf.data is completely generated."""
has_killed = False
while True:
(result, _) = self.adb.run_and_return_output(
['shell', 'pidof', 'simpleperf'])
if not result:
break
if not has_killed:
has_killed = True
self.adb.run_and_return_output(
['shell', 'pkill', '-l', '2', 'simpleperf'])
time.sleep(1)
def collect_profiling_data(self):
self.adb.check_run_and_return_output(
['pull', '/data/local/tmp/perf.data', self.args.perf_data_path])
if not self.args.skip_collect_binaries:
binary_cache_args = [
sys.executable,
os.path.join(get_script_dir(), 'binary_cache_builder.py')
]
binary_cache_args += [
'-i', self.args.perf_data_path, '--log', self.args.log
]
if self.args.native_lib_dir:
binary_cache_args += ['-lib', self.args.native_lib_dir]
if self.args.disable_adb_root:
binary_cache_args += ['--disable_adb_root']
if self.args.ndk_path:
binary_cache_args += ['--ndk_path', self.args.ndk_path]
subprocess.check_call(binary_cache_args)
class ProfilerBase(object):
"""Base class of all Profilers."""
def __init__(self, args):
self.args = args
self.adb = AdbHelper(enable_switch_to_root=not args.disable_adb_root)
self.is_root_device = self.adb.switch_to_root()
self.android_version = self.adb.get_android_version()
if self.android_version < 7:
log_exit("""app_profiler.py isn't supported on Android < N, please switch to use
simpleperf binary directly.""")
self.device_arch = self.adb.get_device_arch()
self.record_subproc = None
def profile(self):
log_info('prepare profiling')
self.prepare()
log_info('start profiling')
self.start()
self.wait_profiling()
log_info('collect profiling data')
self.collect_profiling_data()
log_info('profiling is finished.')
def prepare(self):
"""Prepare recording. """
self.download_simpleperf()
if self.args.native_lib_dir:
self.download_libs()
def download_simpleperf(self):
simpleperf_binary = get_target_binary_path(self.device_arch, 'simpleperf')
self.adb.check_run(['push', simpleperf_binary, '/data/local/tmp'])
self.adb.check_run(['shell', 'chmod', 'a+x', '/data/local/tmp/simpleperf'])
def download_libs(self):
downloader = NativeLibDownloader(self.args.ndk_path, self.device_arch, self.adb)
downloader.collect_native_libs_on_host(self.args.native_lib_dir)
downloader.collect_native_libs_on_device()
downloader.sync_natives_libs_on_device()
def start(self):
raise NotImplementedError
def start_profiling(self, target_args):
"""Start simpleperf reocrd process on device."""
args = ['/data/local/tmp/simpleperf', 'record', '-o', '/data/local/tmp/perf.data',
self.args.record_options]
if self.adb.run(['shell', 'ls', NATIVE_LIBS_DIR_ON_DEVICE]):
args += ['--symfs', NATIVE_LIBS_DIR_ON_DEVICE]
args += target_args
adb_args = [self.adb.adb_path, 'shell'] + args
log_debug('run adb cmd: %s' % adb_args)
self.record_subproc = subprocess.Popen(adb_args)
def wait_profiling(self):
"""Wait until profiling finishes, or stop profiling when user presses Ctrl-C."""
returncode = None
try:
returncode = self.record_subproc.wait()
except KeyboardInterrupt:
self.stop_profiling()
self.record_subproc = None
# Don't check return value of record_subproc. Because record_subproc also
# receives Ctrl-C, and always returns non-zero.
returncode = 0
log_debug('profiling result [%s]' % (returncode == 0))
if returncode != 0:
log_exit('Failed to record profiling data.')
def stop_profiling(self):
"""Stop profiling by sending SIGINT to simpleperf, and wait until it exits
to make sure perf.data is completely generated."""
has_killed = False
while True:
(result, _) = self.adb.run_and_return_output(['shell', 'pidof', 'simpleperf'])
if not result:
break
if not has_killed:
has_killed = True
self.adb.run_and_return_output(['shell', 'pkill', '-l', '2', 'simpleperf'])
time.sleep(1)
def collect_profiling_data(self):
self.adb.check_run_and_return_output(['pull', '/data/local/tmp/perf.data',
self.args.perf_data_path])
if not self.args.skip_collect_binaries:
binary_cache_args = [sys.executable,
os.path.join(get_script_dir(), 'binary_cache_builder.py')]
binary_cache_args += ['-i', self.args.perf_data_path]
if self.args.native_lib_dir:
binary_cache_args += ['-lib', self.args.native_lib_dir]
if self.args.disable_adb_root:
binary_cache_args += ['--disable_adb_root']
if self.args.ndk_path:
binary_cache_args += ['--ndk_path', self.args.ndk_path]
subprocess.check_call(binary_cache_args)