diff options
Diffstat (limited to 'build/android/pylib/surface_stats_collector.py')
| -rw-r--r-- | build/android/pylib/surface_stats_collector.py | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/build/android/pylib/surface_stats_collector.py b/build/android/pylib/surface_stats_collector.py index cf5a280..8d8c992 100644 --- a/build/android/pylib/surface_stats_collector.py +++ b/build/android/pylib/surface_stats_collector.py @@ -17,17 +17,13 @@ _SURFACE_TEXTURE_TIMESTAMP_RE = '\d+' class SurfaceStatsCollector(object): - """Collects surface stats for a window from the output of SurfaceFlinger. + """Collects surface stats for a SurfaceView from the output of SurfaceFlinger. Args: - adb: the adb coonection to use. - window_package: Package name of the window. - window_activity: Activity name of the window. + adb: the adb connection to use. """ - def __init__(self, adb, window_package, window_activity, trace_tag): + def __init__(self, adb, trace_tag): self._adb = adb - self._window_package = window_package - self._window_activity = window_activity self._trace_tag = trace_tag self._collector_thread = None self._use_legacy_method = False @@ -151,8 +147,7 @@ class SurfaceStatsCollector(object): # The command returns nothing if it is supported, otherwise returns many # lines of result just like 'dumpsys SurfaceFlinger'. results = self._adb.RunShellCommand( - 'dumpsys SurfaceFlinger --latency-clear %s/%s' % - (self._window_package, self._window_activity)) + 'dumpsys SurfaceFlinger --latency-clear SurfaceView') return not len(results) def _GetSurfaceFlingerLatencyData(self, previous_timestamp, latencies): @@ -196,9 +191,12 @@ class SurfaceStatsCollector(object): # (each time the number above changes, we have a "jank"). # If this happens a lot during an animation, the animation appears # janky, even if it runs at 60 fps in average. + # + # We use the special "SurfaceView" window name because the statistics for + # the activity's main window are not updated when the main web content is + # composited into a SurfaceView. results = self._adb.RunShellCommand( - 'dumpsys SurfaceFlinger --latency %s/%s' % - (self._window_package, self._window_activity), log_result=True) + 'dumpsys SurfaceFlinger --latency SurfaceView', log_result=True) if not len(results): return (None, None) |