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Issue metadata

Status: Duplicate
Merged: issue 884999
Owner: ----
Closed: Sep 18
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 1
Type: Bug-Regression
Proj-VR
Proj-XR
Proj-XR-VR



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VR perf tests broken due to surface flinger

Project Member Reported by bsheedy@chromium.org, Sep 18

Issue description

All of the VR perf tests are currently failing due to being unable to find surface flinger data:

Traceback (most recent call last):
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 128, in _RunStoryAndProcessErrorIfNeeded
    test.Measure(state.platform, results)
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/web_perf/timeline_based_measurement.py", line 266, in Measure
    trace_result, _ = platform.tracing_controller.StopTracing()
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/core/tracing_controller.py", line 53, in StopTracing
    return self._tracing_controller_backend.StopTracing()
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py", line 157, in StopTracing
    '\n'.join(raised_exception_messages))
TracingException: Exceptions raised when trying to stop tracing:
Traceback (most recent call last):
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py", line 145, in StopTracing
    agent.CollectAgentTraceData(builder)
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/tracing_agent/display_tracing_agent.py", line 30, in CollectAgentTraceData
    surface_flinger_trace_data = self._platform_backend.StopDisplayTracing()
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/telemetry/telemetry/internal/platform/android_platform_backend.py", line 190, in StopDisplayTracing
    refresh_period, timestamps = self._surface_stats_collector.Stop()
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/devil/devil/android/perf/surface_stats_collector.py", line 47, in Stop
    (refresh_period, timestamps) = self._GetDataFromThread()
  File "/home/gtvchrome/bot/w/ir/third_party/catapult/devil/devil/android/perf/surface_stats_collector.py", line 95, in _GetDataFromThread
    raise ret
Exception: Unable to get surface flinger latency data

A bisect points to https://chromium-review.googlesource.com/c/catapult/+/1216504 as the culprit
 
Mergedinto: 884999
Status: Duplicate (was: Untriaged)

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