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Commit 0df722f5 authored by Kyle Holm's avatar Kyle Holm
Browse files

Add a trace to link inputEventId and vsyncId 

We should have an easy way to query in a perfetto trace
for the frame associated with an input event.
This change adds a trace event to do that.

Bug: 363076084
Test:
https://ui.perfetto.dev/#!/?s=039fa15daa0e4cd005587a64962b5a48f7910cec
Verified the new slice has the correct vsyncId and inputEventId.
Flag: EXEMPT log only update

Change-Id: I2d4e5e439076c94b195cbe328b66d0c988e10661
parent 6a7b8d72

libs/hwui/renderthread/CanvasContext.cpp

+3 −0
Original line number Diff line number Diff line
@@ -654,6 +654,9 @@ void CanvasContext::draw(bool solelyTextureViewUpdates) { 
        if (vsyncId != UiFrameInfoBuilder::INVALID_VSYNC_ID) {

            const auto inputEventId =

                    static_cast<int32_t>(mCurrentFrameInfo->get(FrameInfoIndex::InputEventId));

            ATRACE_FORMAT(

                "frameTimelineInfo(frameNumber=%llu, vsyncId=%lld, inputEventId=0x%" PRIx32 ")",

                frameCompleteNr, vsyncId, inputEventId);

            const ANativeWindowFrameTimelineInfo ftl = {

                    .frameNumber = frameCompleteNr,

                    .frameTimelineVsyncId = vsyncId,