[PATCH] D140248: [OpenMP] Enable profiling on multiple threads

[Mark Dewing via Phabricator via llvm-commits]

markdewing updated this revision to Diff 487478.
markdewing added a comment.

Add comment. Change variable name.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140248/new/

https://reviews.llvm.org/D140248

Files:
  openmp/libomptarget/src/rtl.cpp


Index: openmp/libomptarget/src/rtl.cpp
===================================================================
--- openmp/libomptarget/src/rtl.cpp
+++ openmp/libomptarget/src/rtl.cpp
@@ -44,6 +44,8 @@
 static char *ProfileTraceFile = nullptr;
 
 // List of TimeTraceProfiler instances on other threads
+// Needs to be pointer. If this is a file-scope object, the destructor
+// gets called before "deinit" is called.
 std::vector<llvm::TimeTraceProfiler *> *profileInstancesOtherThreads = nullptr;
 std::mutex profLock;
 
@@ -77,8 +79,8 @@
   delete PM;
 
   if (ProfileTraceFile) {
-    for (auto prof : *profileInstancesOtherThreads)
-      timeTraceProfilerFinishThreadExternal(prof);
+    for (auto Prof : *profileInstancesOtherThreads)
+      timeTraceProfilerFinishThreadExternal(Prof);
     // TODO: add env var for file output
     if (auto E = timeTraceProfilerWrite(ProfileTraceFile, "-"))
       fprintf(stderr, "Error writing out the time trace\n");
@@ -96,9 +98,9 @@
     if (llvm::getTimeTraceProfilerInstance() == nullptr) {
       DP("initializing profiler on thread");
       llvm::timeTraceProfilerInitialize(500, "libomptarget");
-      llvm::TimeTraceProfiler *prof = llvm::getTimeTraceProfilerInstance();
+      llvm::TimeTraceProfiler *Prof = llvm::getTimeTraceProfilerInstance();
       std::lock_guard<std::mutex> Lock(profLock);
-      profileInstancesOtherThreads->push_back(prof);
+      profileInstancesOtherThreads->push_back(Prof);
     }
   }
 }


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