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Issue #21 - Remove panning/tab animation performance measurements

Browse source 
Based on FranklinDM's follow-up for the issue.

This would require browser FE changes, particularly removing the associated
code in `tabbrowser.xml`, however, that was already done in Pale Moon previously.
Other front-end applications may need to take note, though.

Based on changes from the following bugs:
* Bug 696398 - Need an api to analyze panning performance
* Bug 800031 - Include paint time in tab switch telemetry
* Bug 820167 - Enable performance measurement of tab animation
* Bug 826383 - Improve Start/Stop FrameTimeRecording for telemetry usage
This commit is contained in:
Moonchild 2022-04-04 11:58:59 +08:00 • committed by roytam1
commit 2e944692c3
14 changed files with 1 additions and 344 deletions
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69
dom/base/nsDOMWindowUtils.cpp
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@ -2367,75 +2367,6 @@ nsDOMWindowUtils::GetCurrentAudioBackend(nsAString& aBackend)
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StartFrameTimeRecording(uint32_t *startIndex)
{
NS_ENSURE_ARG_POINTER(startIndex);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
const uint32_t kRecordingMinSize = 60 * 10; // 10 seconds @60 fps.
const uint32_t kRecordingMaxSize = 60 * 60 * 60; // One hour
uint32_t bufferSize = Preferences::GetUint("toolkit.framesRecording.bufferSize", uint32_t(0));
bufferSize = std::min(bufferSize, kRecordingMaxSize);
bufferSize = std::max(bufferSize, kRecordingMinSize);
*startIndex = mgr->StartFrameTimeRecording(bufferSize);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopFrameTimeRecording(uint32_t startIndex,
uint32_t *frameCount,
float **frameIntervals)
{
NS_ENSURE_ARG_POINTER(frameCount);
NS_ENSURE_ARG_POINTER(frameIntervals);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
nsTArray<float> tmpFrameIntervals;
mgr->StopFrameTimeRecording(startIndex, tmpFrameIntervals);
*frameCount = tmpFrameIntervals.Length();
*frameIntervals = (float*)moz_xmalloc(*frameCount * sizeof(float));
/* copy over the frame intervals and paint times into the arrays we just allocated */
for (uint32_t i = 0; i < *frameCount; i++) {
(*frameIntervals)[i] = tmpFrameIntervals[i];
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::BeginTabSwitch()
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
mgr->BeginTabSwitch();
return NS_OK;
}
static bool
ComputeAnimationValue(nsCSSPropertyID aProperty,
Element* aElement,