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Merge "Add check for empty vsync data in Choreographer." into tm-dev am: c2c8ac85ea

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17920025

Change-Id: I3f6bb09bad2a3d6afb1e5d7ebb24b1dc9e9212dd
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Rachel Lee
2022-04-25 18:12:06 +00:00
committed by Automerger Merge Worker
parent c21d8a970c c2c8ac85ea
commit 7ab33acf62
1 changed files with 17 additions and 11 deletions
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28
core/java/android/view/Choreographer.java
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@@ -765,18 +765,24 @@ public final class Choreographer {
startNanos = System.nanoTime();
final long jitterNanos = startNanos - frameTimeNanos;
if (jitterNanos >= frameIntervalNanos) {
final long skippedFrames = jitterNanos / frameIntervalNanos;
if (skippedFrames >= SKIPPED_FRAME_WARNING_LIMIT) {
Log.i(TAG, "Skipped " + skippedFrames + " frames! "
+ "The application may be doing too much work on its main thread.");
}
final long lastFrameOffset = jitterNanos % frameIntervalNanos;
if (DEBUG_JANK) {
Log.d(TAG, "Missed vsync by " + (jitterNanos * 0.000001f) + " ms "
+ "which is more than the frame interval of "
+ (frameIntervalNanos * 0.000001f) + " ms! "
+ "Skipping " + skippedFrames + " frames and setting frame "
+ "time to " + (lastFrameOffset * 0.000001f) + " ms in the past.");
if (frameIntervalNanos == 0) {
Log.i(TAG, "Vsync data empty due to timeout");
} else {
final long skippedFrames = jitterNanos / frameIntervalNanos;
if (skippedFrames >= SKIPPED_FRAME_WARNING_LIMIT) {
Log.i(TAG, "Skipped " + skippedFrames + " frames! "
+ "The application may be doing too much work on its main "
+ "thread.");
}
if (DEBUG_JANK) {
Log.d(TAG, "Missed vsync by " + (jitterNanos * 0.000001f) + " ms "
+ "which is more than the frame interval of "
+ (frameIntervalNanos * 0.000001f) + " ms! "
+ "Skipping " + skippedFrames + " frames and setting frame "
+ "time to " + (lastFrameOffset * 0.000001f)
+ " ms in the past.");
}
}
frameTimeNanos = startNanos - lastFrameOffset;
DisplayEventReceiver.VsyncEventData latestVsyncEventData =