def RecordClockSyncMarker(self, sync_id,
record_controller_clock_sync_marker_callback):
devtools_clients = (
chrome_tracing_devtools_manager.GetActiveDevToolsClients(
self._platform_backend))
if not devtools_clients:
raise ChromeClockSyncError(
'Cannot issue clock sync. No devtools clients')
version = None
for client in devtools_clients:
version = client.GetChromeBranchNumber()
break
logging.info('Chrome version: %s', version)
# Note, we aren't sure whether 2744 is the correct cut-off point which
# Chrome will support clock sync marker, however we verified that 2743 does
# not support clock sync (catapult/issues/2804) hence we use it here.
# On the next update of Chrome ref build, if testTBM2ForSmoke still fails,
# the cut-off branch number will need to be bumped up again.
if version and int(version) > 2743:
self._RecordClockSyncMarkerDevTools(
sync_id, record_controller_clock_sync_marker_callback,
devtools_clients)
else: # TODO(rnephew): Remove once chrome stable is past branch 2743.
self._RecordClockSyncMarkerAsyncEvent(
sync_id, record_controller_clock_sync_marker_callback)
def RecordClockSyncMarker(self, sync_id,
record_controller_clock_sync_marker_callback):
devtools_clients = (
chrome_tracing_devtools_manager.GetActiveDevToolsClients(
self._platform_backend))
if not devtools_clients:
logging.info('No devtools clients for issuing clock sync.')
return False
has_clock_synced = False
for client in devtools_clients:
try:
timestamp = trace_time.Now()
client.RecordChromeClockSyncMarker(sync_id)
# We only need one successful clock sync.
has_clock_synced = True
break
except Exception: # pylint: disable=broad-except
logging.exception(
'Failed to record clock sync marker with sync_id=%r '
'via DevTools client %r:', sync_id, client)
if not has_clock_synced:
raise ChromeClockSyncError(
'Failed to issue clock sync to devtools client')
record_controller_clock_sync_marker_callback(sync_id, timestamp)
return True
def _StartDevToolsTracing(self, config, timeout):
devtools_clients = (
chrome_tracing_devtools_manager.GetActiveDevToolsClients(
self._platform_backend))
if not devtools_clients:
return False
for client in devtools_clients:
if client.is_tracing_running:
raise ChromeTracingStartedError(
'Tracing is already running on devtools at port %s on platform'
'backend %s.' %
(client.remote_port, self._platform_backend))
client.StartChromeTracing(config, timeout)
return True
def RecordClockSyncMarker(self, sync_id,
record_controller_clock_sync_marker_callback):
devtools_clients = (
chrome_tracing_devtools_manager.GetActiveDevToolsClients(
self._platform_backend))
version = None
for client in devtools_clients:
version = client.GetChromeBranchNumber()
break
if version and int(version) >= 2661:
self._RecordClockSyncMarkerDevTools(
sync_id, record_controller_clock_sync_marker_callback,
devtools_clients)
else: # TODO(rnephew): Remove once chrome stable is past branch 2661.
self._RecordClockSyncMarkerAsyncEvent(
sync_id, record_controller_clock_sync_marker_callback)
def _StartDevToolsTracing(self, trace_options, category_filter, timeout):
if not chrome_tracing_devtools_manager.IsSupported(
self._platform_backend):
return False
devtools_clients = (
chrome_tracing_devtools_manager.GetActiveDevToolsClients(
self._platform_backend))
if not devtools_clients:
return False
for client in devtools_clients:
if client.is_tracing_running:
raise ChromeTracingStartedError(
'Tracing is already running on devtools at port %s on platform'
'backend %s.' %
(client.remote_port, self._platform_backend))
client.StartChromeTracing(trace_options,
category_filter.filter_string, timeout)
return True
