Opt libhwui out of -fprofile-sample-accurate
Some hwui code paths might be infrequently executed but critical to the
UI latency. Opt out of -fprofile-sample-accurate so that the compiler
won't de-optimise cold code paths.
Test: presubmit
Bug: 273415627
Change-Id: Ieaf34fc0d2e75aa54c46fec0fde38cee42a5c3c3
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 979a660..d391be6 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -55,6 +55,10 @@
// GCC false-positives on this warning, and since we -Werror that's
// a problem
"-Wno-free-nonheap-object",
+
+ // Do not de-optimise cold code paths in AFDO.
+ // Some code paths might be infrequently executed but critical to latency.
+ "-fno-profile-sample-accurate",
],
include_dirs: [