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fps: Added parameter to override FPS collection method

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In Android M and above, there is a new method of collecting fps
statistics, using gfxinfo rather than SurfaceFlinger, but the
SF method is still available however.
This parameter lets the user decide whether to always use SF,
or to allow the instrument to pick the best method based on
Android version it detects.
This commit is contained in:
Michael McGeagh 2017-02-24 16:03:06 +00:00
parent 38b368eec2
commit 70b265dd34
1 changed files with 7 additions and 1 deletions
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8
wlauto/instrumentation/fps/__init__.py
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@ -132,6 +132,12 @@ class FpsInstrument(Instrument):
android/services/surfaceflinger/FrameTracker.h (as of the time of writing
currently 128) and a frame rate of 60 fps that is applicable to most devices.
"""),
Parameter('force_surfaceflinger', kind=boolean, default=False,
description="""
By default, the method to capture fps data is based on Android version.
If this is set to true, force the instrument to use the SurfaceFlinger method
regardless of its Android version.
"""),
]
def __init__(self, device, **kwargs):
@ -156,7 +162,7 @@ class FpsInstrument(Instrument):
self.fps_outfile = os.path.join(context.output_directory, 'fps.csv')
self.outfile = os.path.join(context.output_directory, 'frames.csv')
# Android M brings a new method of collecting FPS data
if self.device.get_sdk_version() >= 23:
if not self.force_surfaceflinger and (self.device.get_sdk_version() >= 23):
# gfxinfo takes in the package name rather than a single view/activity
# so there is no 'list_command' to run and compare against a list of
# views/activities. Additionally, clearing the stats requires the package