Bug 1460973 - Set the thread register time of the Java thread to the …

…process creation time. r=gregtatum MozReview-Commit-ID: KcuFPACYRHZ --HG-- extra : rebase_source : 98cd39fee422dedf25a47e431ad5750dc97c4c8b
dothq · May 25, 2018 · 5b54089 · 5b54089
1 parent 3006bdf
commit 5b54089
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/tools/profiler/core/ThreadInfo.h b/tools/profiler/core/ThreadInfo.h
@@ -20,9 +20,10 @@ class ThreadInfo final
 public:
   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ThreadInfo)
 
-  ThreadInfo(const char* aName, int aThreadId, bool aIsMainThread)
+  ThreadInfo(const char* aName, int aThreadId, bool aIsMainThread,
+             const mozilla::TimeStamp& aRegisterTime = mozilla::TimeStamp::Now())
     : mName(aName)
-    , mRegisterTime(TimeStamp::Now())
+    , mRegisterTime(aRegisterTime)
     , mThreadId(aThreadId)
     , mIsMainThread(aIsMainThread)
   {

diff --git a/tools/profiler/core/platform.cpp b/tools/profiler/core/platform.cpp
@@ -1793,7 +1793,7 @@ locked_profiler_stream_json_for_this_process(PSLockRef aLock,
      // Thread id of java Main thread is 0, if we support profiling of other
      // java thread, we have to get thread id and name via JNI.
      RefPtr<ThreadInfo> threadInfo =
-       new ThreadInfo("Java Main Thread", 0, false);
+       new ThreadInfo("Java Main Thread", 0, false, CorePS::ProcessStartTime());
      ProfiledThreadData profiledThreadData(threadInfo, nullptr,
                                            ActivePS::FeatureResponsiveness(aLock));
      profiledThreadData.StreamJSON(*javaBuffer.get(), nullptr, aWriter,