commit ec025de985eebf079d4450986c70378fd7aedf98
author Vadim Tryshev <vadimt@google.com> Fri Apr 06 14:55:54 2018 -0700
committer android-build-merger <android-build-merger@google.com> Fri Apr 06 14:55:54 2018 -0700
tree 09551d8e38d1a49f9a8535faa3a5ab39f9641ca3
parent 08cfc57af1d4336fe67c6515682d7bc6893ec536
parent 0aba38f04cbc632a37b24cff405966c5e1d17346

Merge "Improving jank tests diagnostics" into pi-dev am: 2b28f0699a
am: 0aba38f04c

Change-Id: Ifdbf8391e767476d5e945df01be2c0e6070a24cf

libs/hwui/ProfileData.cpp

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));