1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "base/profiler/scoped_profile.h"
6 
7 #include "base/location.h"
8 #include "base/tracked_objects.h"
9 
10 
11 namespace tracked_objects {
12 
13 
ScopedProfile(const Location & location,Mode mode)14 ScopedProfile::ScopedProfile(const Location& location, Mode mode)
15     : birth_(NULL) {
16   if (mode == DISABLED)
17     return;
18 
19   birth_ = ThreadData::TallyABirthIfActive(location);
20   if (!birth_)
21     return;
22 
23   stopwatch_.Start();
24 }
25 
~ScopedProfile()26 ScopedProfile::~ScopedProfile() {
27   if (!birth_)
28     return;
29 
30   stopwatch_.Stop();
31   ThreadData::TallyRunInAScopedRegionIfTracking(birth_, stopwatch_);
32 }
33 
34 }  // namespace tracked_objects
35