blob: 46edb11c5cc22fd4ff3f1538204f3a61613a055b [file] [log] [blame]
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from telemetry.internal.platform import tracing_agent
from tracing.trace_data import trace_data
class DisplayTracingAgent(tracing_agent.TracingAgent):
def __init__(self, platform_backend, config):
super(DisplayTracingAgent, self).__init__(platform_backend, config)
@classmethod
def IsSupported(cls, platform_backend):
return platform_backend.IsDisplayTracingSupported()
def StartAgentTracing(self, config, timeout):
del timeout # unused
if config.enable_platform_display_trace:
self._platform_backend.StartDisplayTracing()
return True
def StopAgentTracing(self):
# TODO: Split collection and stopping.
pass
def CollectAgentTraceData(self, trace_data_builder, timeout=None):
# TODO: Move stopping to StopAgentTracing.
del timeout
surface_flinger_trace_data = self._platform_backend.StopDisplayTracing()
trace_data_builder.AddTraceFor(
trace_data.CHROME_TRACE_PART, surface_flinger_trace_data)