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Add start-tracing and stop-tracing commands to sky_tool

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This is just copy-pasted from shelldb but should work.

TBR=ianh@google.com

Review URL: https://codereview.chromium.org/1112433003
This commit is contained in:
Eric Seidel 2015-04-27 16:59:17 -07:00
parent 7f55f81432
commit dbd54f73b0
1 changed files with 46 additions and 2 deletions
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48
sdk/packages/sky/lib/sky_tool
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@ -208,6 +208,51 @@ class StopSky(object):
pids.clear()
class StartTracing(object):
def add_subparser(self, subparsers):
start_tracing_parser = subparsers.add_parser('start_tracing',
help=('start tracing a running sky instance'))
start_tracing_parser.set_defaults(func=self.run)
def run(self, args, pids):
subprocess.check_output([ADB_PATH, 'shell',
'am', 'broadcast',
'-a', 'org.domokit.sky.demo.TRACING_START'])
TRACE_COMPLETE_REGEXP = re.compile('Trace complete')
TRACE_FILE_REGEXP = re.compile(r'Saving trace to (?P<path>\S+)')
class StopTracing(object):
def add_subparser(self, subparsers):
stop_tracing_parser = subparsers.add_parser('stop_tracing',
help=('stop tracing a running sky instance'))
stop_tracing_parser.set_defaults(func=self.run)
def run(self, args, pids):
subprocess.check_output([ADB_PATH, 'logcat', '-c'])
subprocess.check_output([ADB_PATH, 'shell',
'am', 'broadcast',
'-a', 'org.domokit.sky.demo.TRACING_STOP'])
device_path = None
is_complete = False
while not is_complete:
time.sleep(0.2)
log = subprocess.check_output([ADB_PATH, 'logcat', '-d'])
if device_path is None:
result = TRACE_FILE_REGEXP.search(log)
if result:
device_path = result.group('path')
is_complete = TRACE_COMPLETE_REGEXP.search(log) is not None
print 'Downloading trace %s ...' % os.path.basename(device_path)
if device_path:
subprocess.check_output([ADB_PATH, 'pull', device_path])
subprocess.check_output([ADB_PATH, 'shell', 'rm', device_path])
class SkyShellRunner(object):
def _check_for_adb(self):
try:
@ -217,7 +262,6 @@ class SkyShellRunner(object):
return False
return True
def main(self):
logging.basicConfig(level=logging.WARNING)
if not self._check_for_adb():
@ -226,7 +270,7 @@ class SkyShellRunner(object):
parser = argparse.ArgumentParser(description='Sky Demo Runner')
subparsers = parser.add_subparsers(help='sub-command help')
for command in [StartSky(), StopSky()]:
for command in [StartSky(), StopSky(), StartTracing(), StopTracing()]:
command.add_subparser(subparsers)
args = parser.parse_args()