Fix issue 683: change the order of CPU profiler setup actions.

BUG=683

Review URL: http://codereview.chromium.org/1756003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/cpu-profiler.cc

@@ -420,6 +420,10 @@ void CpuProfiler::StartProcessorIfNotStarted() {
     generator_ = new ProfileGenerator(profiles_);
     processor_ = new ProfilerEventsProcessor(generator_);
     processor_->Start();
+    // Enable stack sampling.
+    // It is important to have it started prior to logging, see issue 683:
+    // http://code.google.com/p/v8/issues/detail?id=683
+    reinterpret_cast<Sampler*>(Logger::ticker_)->Start();
     // Enumerate stuff we already have in the heap.
     if (Heap::HasBeenSetup()) {
       Logger::LogCodeObjects();
@@ -427,8 +431,6 @@ void CpuProfiler::StartProcessorIfNotStarted() {
       Logger::LogFunctionObjects();
       Logger::LogAccessorCallbacks();
     }
-    // Enable stack sampling.
-    reinterpret_cast<Sampler*>(Logger::ticker_)->Start();
   }
 }