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Fix for FpsProcessor logic in utils module

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- Add requirement on filtered_vsyncs_to_compose for total_vsync metric
- Remove misleading comment in class description
This commit is contained in:
John Richardson 2016-07-25 10:02:54 +01:00
parent ee7c04a568
commit aa2d187c4d
1 changed files with 7 additions and 6 deletions
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13
wlauto/utils/fps.py
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@ -16,10 +16,10 @@
class FpsProcessor(object): class FpsProcessor(object):
""" """
Provide common object for processing surfaceFlinger output for frame Provides common object for processing surfaceFlinger output for frame
statistics. statistics.
This processor adds four metrics to the results: This processor returns the four frame statistics below:
:FPS: Frames Per Second. This is the frame rate of the workload. :FPS: Frames Per Second. This is the frame rate of the workload.
:frames: The total number of frames rendered during the execution of :frames: The total number of frames rendered during the execution of
@ -72,11 +72,12 @@ class FpsProcessor(object):
total_vsyncs = filtered_vsyncs_to_compose.sum() total_vsyncs = filtered_vsyncs_to_compose.sum()
frame_count = filtered_vsyncs_to_compose.size frame_count = filtered_vsyncs_to_compose.size
if total_vsyncs: if total_vsyncs:
fps = 1e9 * frame_count / (vsync_interval * total_vsyncs) fps = 1e9 * frame_count / (vsync_interval * total_vsyncs)
janks = self._calc_janks(filtered_vsyncs_to_compose)
not_at_vsync = self._calc_not_at_vsync(vsyncs_to_compose)
janks = self._calc_janks(filtered_vsyncs_to_compose)
not_at_vsync = self._calc_not_at_vsync(vsyncs_to_compose)
metrics = (fps, frame_count, janks, not_at_vsync) metrics = (fps, frame_count, janks, not_at_vsync)
return per_frame_fps, metrics return per_frame_fps, metrics