Support tracking of IPC messages as tasks in profiler

base/tracked_objects.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/tracked_objects.h"
 
 #include <math.h>
 
 #include "base/format_macros.h"
 #include "base/message_loop.h"
@@ skipping 491 matching lines @@
   Duration run_duration;
   if (!start_of_run.is_null()) {
     queue_duration = start_of_run - time_posted;
     if (!end_of_run.is_null())
       run_duration = end_of_run - start_of_run;
   }
   current_thread_data->TallyADeath(*birth, queue_duration, run_duration);
 }
 
 // static
+void ThreadData::TallyRunInAScopedRegionIfTracking(
+    const Births* birth,
+    const TrackedTime& start_of_run,
+    const TrackedTime& end_of_run) {
+  if (!kTrackAllTaskObjects)
+    return;  // Not compiled in.
+
+  // Even if we have been DEACTIVATED, we will process any pending births so
+  // that our data structures (which counted the outstanding births) remain
+  // consistent.
+  if (!birth)
+    return;
+
+  ThreadData* current_thread_data = Get();
+  if (!current_thread_data)
+    return;
+
+  Duration queue_duration = Duration();
+  Duration run_duration = end_of_run - start_of_run;
+  current_thread_data->TallyADeath(*birth, queue_duration, run_duration);
+}
+
+
+
+// static
 ThreadData* ThreadData::first() {
   base::AutoLock lock(*list_lock_);
   return all_thread_data_list_head_;
 }
 
 // This may be called from another thread.
 void ThreadData::SnapshotBirthMap(BirthMap *output) const {
   base::AutoLock lock(lock_);
   for (BirthMap::const_iterator it = birth_map_.begin();
        it != birth_map_.end(); ++it)
@@ skipping 700 matching lines @@
                         (combined_selectors_ & BIRTH_THREAD) ? "*" :
                           sample.birth().birth_thread()->thread_name().c_str(),
                         (combined_selectors_ & DEATH_THREAD) ? "*" :
                           sample.DeathThreadName().c_str());
   sample.birth().location().Write(!(combined_selectors_ & BIRTH_FILE),
                                   !(combined_selectors_ & BIRTH_FUNCTION),
                                   output);
 }
 
 }  // namespace tracked_objects