Merge "Improving jank tests diagnostics" into pi-dev am: 2b28f0699a
am: 0aba38f04c
Change-Id: Ifdbf8391e767476d5e945df01be2c0e6070a24cf
diff --git a/libs/hwui/ProfileData.cpp b/libs/hwui/ProfileData.cpp
index f9cf549..1696661 100644
--- a/libs/hwui/ProfileData.cpp
+++ b/libs/hwui/ProfileData.cpp
@@ -104,7 +104,8 @@
dprintf(fd, "\nStats since: %" PRIu64 "ns", mStatStartTime);
dprintf(fd, "\nTotal frames rendered: %u", mTotalFrameCount);
dprintf(fd, "\nJanky frames: %u (%.2f%%)", mJankFrameCount,
- (float)mJankFrameCount / (float)mTotalFrameCount * 100.0f);
+ mTotalFrameCount == 0 ? 0.0f :
+ (float)mJankFrameCount / (float)mTotalFrameCount * 100.0f);
dprintf(fd, "\n50th percentile: %ums", findPercentile(50));
dprintf(fd, "\n90th percentile: %ums", findPercentile(90));
dprintf(fd, "\n95th percentile: %ums", findPercentile(95));