commit 8d728324571b720a952b297787eed70c7a1d1acb
author Nicolas Geoffray <ngeoffray@google.com> Thu Jan 18 22:44:32 2018 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Mon Jan 29 09:34:05 2018 +0000
tree f24a774aa56c236f2f756b1b439e4c61830bec56
parent 0530796b73d0a33a5df27e3a7765c0835994769a

Add compiler option for counting hotness in compiled code.

For eventually easier profiling of boot classpath and
system server.

bug: 30934496
Test: 674-hotness-compiled

Change-Id: I0f63c644527b74f6ef2649f481c2a1c731bb9f21

compiler/driver/compiler_options_map-inl.h

diff --git a/compiler/driver/compiler_options_map-inl.h b/compiler/driver/compiler_options_map-inl.h
index f97ab08..3b18db0 100644
--- a/compiler/driver/compiler_options_map-inl.h
+++ b/compiler/driver/compiler_options_map-inl.h
@@ -77,6 +77,9 @@
   }
   map.AssignIfExists(Base::VerboseMethods, &options->verbose_methods_);
   options->deduplicate_code_ = map.GetOrDefault(Base::DeduplicateCode);
+  if (map.Exists(Base::CountHotnessInCompiledCode)) {
+    options->count_hotness_in_compiled_code_ = true;
+  }
 
   if (map.Exists(Base::DumpTimings)) {
     options->dump_timings_ = true;
@@ -137,6 +140,9 @@
           .WithValueMap({{"false", false}, {"true", true}})
           .IntoKey(Map::DeduplicateCode)
 
+      .Define({"--count-hotness-in-compiled-code"})
+          .IntoKey(Map::CountHotnessInCompiledCode)
+
       .Define({"--dump-timings"})
           .IntoKey(Map::DumpTimings)