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Issue #21 - Remove panning/tab animation performance measurements

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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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34
dom/interfaces/base/nsIDOMWindowUtils.idl
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@ -49,7 +49,7 @@ interface nsIJSRAIIHelper;
interface nsIContentPermissionRequest;
interface nsIObserver;
[scriptable, uuid(7fcc7958-77d9-45ff-8c81-277bde5f0dc8)]
[scriptable, uuid(58e97ce9-1d9e-4576-aabf-89480fdeb16d)]
interface nsIDOMWindowUtils : nsISupports {
/**
@ -1425,38 +1425,6 @@ interface nsIDOMWindowUtils : nsISupports {
*/
readonly attribute AString currentAudioBackend;
/**
* Record (and return) frame-intervals for frames which were presented
* between calling StartFrameTimeRecording and StopFrameTimeRecording.
*
* - Uses a cyclic buffer and serves concurrent consumers, so if Stop is called too late
* (elements were overwritten since Start), result is considered invalid and hence empty.
* - Buffer is capable of holding 10 seconds @ 60fps (or more if frames were less frequent).
* Can be changed (up to 1 hour) via pref: toolkit.framesRecording.bufferSize.
* - Note: the first frame-interval may be longer than expected because last frame
* might have been presented some time before calling StartFrameTimeRecording.
*/
/**
* Returns a handle which represents current recording start position.
*/
void startFrameTimeRecording([retval] out unsigned long startIndex);
/**
* Returns number of recorded frames since startIndex was issued,
* and allocates+populates 2 arraye with the recorded data.
* - Allocation is infallible. Should be released even if size is 0.
*/
void stopFrameTimeRecording(in unsigned long startIndex,
[optional] out unsigned long frameCount,
[retval, array, size_is(frameCount)] out float frameIntervals);
/**
* Signals that we're begining to tab switch. This is used by painting code to
* determine total tab switch time.
*/
void beginTabSwitch();
/**
* The DPI of the display
*/