Add metrics for logging SurfaceControl events
Currently, we log whenever dataspaces change on a layer. We also log
when a layer is destroyed, so that we can log its last dataspace.
Bug: 329474645
Flag: EXEMPT logging
Test: GraphicsAtomTests
Change-Id: I06f4591a1b523cb565923c7d6e4103f0e294d8ad
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index dcb0812..d132652 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -186,6 +186,14 @@
mFrameTracker.logAndResetStats(mName);
mFlinger->onLayerDestroyed(this);
+ const auto currentTime = std::chrono::steady_clock::now();
+ if (mBufferInfo.mTimeSinceDataspaceUpdate > std::chrono::steady_clock::time_point::min()) {
+ mFlinger->mLayerEvents.emplace_back(mOwnerUid, getSequence(), mBufferInfo.mDataspace,
+ std::chrono::duration_cast<std::chrono::milliseconds>(
+ currentTime -
+ mBufferInfo.mTimeSinceDataspaceUpdate));
+ }
+
if (mDrawingState.sidebandStream != nullptr) {
mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
}
@@ -1323,8 +1331,17 @@
}
}
}
- if (lastDataspace != mBufferInfo.mDataspace) {
+ if (lastDataspace != mBufferInfo.mDataspace ||
+ mBufferInfo.mTimeSinceDataspaceUpdate == std::chrono::steady_clock::time_point::min()) {
mFlinger->mHdrLayerInfoChanged = true;
+ const auto currentTime = std::chrono::steady_clock::now();
+ if (mBufferInfo.mTimeSinceDataspaceUpdate > std::chrono::steady_clock::time_point::min()) {
+ mFlinger->mLayerEvents
+ .emplace_back(mOwnerUid, getSequence(), lastDataspace,
+ std::chrono::duration_cast<std::chrono::milliseconds>(
+ currentTime - mBufferInfo.mTimeSinceDataspaceUpdate));
+ }
+ mBufferInfo.mTimeSinceDataspaceUpdate = currentTime;
}
if (mBufferInfo.mDesiredHdrSdrRatio != mDrawingState.desiredHdrSdrRatio) {
mBufferInfo.mDesiredHdrSdrRatio = mDrawingState.desiredHdrSdrRatio;