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Commit 776ba5e5 authored by Treehugger Robot's avatar Treehugger Robot Committed by Android (Google) Code Review
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Merge "FrameTimeline: Optimize tracing information about frame start time" into main

parents 302cd56d f24ce7c7

services/surfaceflinger/FrameTimeline/FrameTimeline.cpp

+4 −1
Original line number Diff line number Diff line
@@ -801,6 +801,9 @@ void SurfaceFrame::traceActuals(int64_t displayFrameToken, nsecs_t monoBootOffse 
    FrameTimelineDataSource::Trace([&](FrameTimelineDataSource::TraceContext ctx) {

        const auto timestamp = [&]() {

            std::scoped_lock lock(mMutex);

            if (mActuals.startTime != 0) {

                return mActuals.startTime;

            }

            // Actual start time is not yet available, so use expected start instead

            if (mPredictionState == PredictionState::Expired) {

                // If prediction is expired, we can't use the predicted start time. Instead, just
@@ -811,7 +814,7 @@ void SurfaceFrame::traceActuals(int64_t displayFrameToken, nsecs_t monoBootOffse 
                return endTime - kPredictionExpiredStartTimeDelta;

            }



            return mActuals.startTime == 0 ? mPredictions.startTime : mActuals.startTime;

            return mPredictions.startTime;

        }();



        if (filterFramesBeforeTraceStarts && !shouldTraceForDataSource(ctx, timestamp)) {