Switch to a VM wide timeline recorder

runtime/vm/thread_registry.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/thread_registry.h"
 
 #include "vm/isolate.h"
 #include "vm/lockers.h"
 
 namespace dart {
 
+ThreadRegistry::~ThreadRegistry() {
+  {
+    // Each thread that is scheduled in this isolate may have a cached timeline
+    // block. Mark these timeline blocks as finished.
+    MonitorLocker ml(monitor_);
+    TimelineEventRecorder* recorder = Timeline::recorder();
+    if (recorder != NULL) {
+      MutexLocker recorder_lock(&recorder->lock_);
+      for (intptr_t i = 0; i < entries_.length(); i++) {
+        // NOTE: It is only safe to access |entry.state| here.
+        const Entry& entry = entries_.At(i);
+        if (entry.state.timeline_block != NULL) {
+          entry.state.timeline_block->Finish();
+        }
+      }
+    }
+  }
+
+  // Delete monitor.
+  delete monitor_;
+}
+
+
 void ThreadRegistry::SafepointThreads() {
   MonitorLocker ml(monitor_);
   // First wait for any older rounds that are still in progress.
   while (in_rendezvous_) {
     // Assert we are not the organizer trying to nest calls to SafepointThreads.
     ASSERT(remaining_ > 0);
     CheckSafepointLocked();
   }
   // Start a new round.
   in_rendezvous_ = true;
@@ skipping 53 matching lines @@
   for (int i = 0; i < entries_.length(); ++i) {
     const Entry& entry = entries_[i];
     if (entry.scheduled) {
       ++count;
     }
   }
   return count;
 }
 
 }  // namespace dart