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Viewing changes to debian/modules/ngx_pagespeed/psol/include/third_party/chromium/src/base/profiler/scoped_profile.h

  • Committer: Vivian
  • Date: 2015-12-04 18:20:11 UTC
  • Revision ID: git-v1:a36f2bc32e884f7473b3a47040e5411306144d7d
* Do not extract psol.tar.gz

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debian/modules/ngx_pagespeed/psol/include/third_party/chromium/src/base/profiler/scoped_profile.h
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_PROFILER_SCOPED_PROFILE_H_
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#define BASE_PROFILER_SCOPED_PROFILE_H_
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//------------------------------------------------------------------------------
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// ScopedProfile provides basic helper functions for profiling a short
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// region of code within a scope.  It is separate from the related ThreadData
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// class so that it can be included without much other cruft, and provide the
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// macros listed below.
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#include "base/base_export.h"
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#include "base/location.h"
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#include "base/profiler/tracked_time.h"
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#if defined(GOOGLE_CHROME_BUILD)
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// We don't ship these profiled regions.  This is for developer builds only.
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// It allows developers to do some profiling of their code, and see results on
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// their about:profiler page.
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#define TRACK_RUN_IN_THIS_SCOPED_REGION_FOR_DEVELOPER_BUILDS(scope_name)       \
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    ((void)0)
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#else
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#define TRACK_RUN_IN_THIS_SCOPED_REGION_FOR_DEVELOPER_BUILDS(scope_name)       \
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    ::tracked_objects::ScopedProfile  LINE_BASED_VARIABLE_NAME_FOR_PROFILING(  \
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        FROM_HERE_WITH_EXPLICIT_FUNCTION(#scope_name))
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#endif
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#define PASTE_LINE_NUMBER_ON_NAME(name, line) name##line
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#define LINE_BASED_VARIABLE_NAME_FOR_PROFILING                                 \
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    PASTE_LINE_NUMBER_ON_NAME(some_profiler_variable_, __LINE__)
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#define TRACK_RUN_IN_IPC_HANDLER(dispatch_function_name)                       \
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    ::tracked_objects::ScopedProfile some_tracking_variable_name(              \
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        FROM_HERE_WITH_EXPLICIT_FUNCTION(#dispatch_function_name))
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namespace tracked_objects {
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class Births;
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class BASE_EXPORT ScopedProfile {
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 public:
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  explicit ScopedProfile(const Location& location);
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  ~ScopedProfile();
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  // Stop tracing prior to the end destruction of the instance.
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  void StopClockAndTally();
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 private:
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  Births* birth_;  // Place in code where tracking started.
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  const TrackedTime start_of_run_;
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  DISALLOW_COPY_AND_ASSIGN(ScopedProfile);
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};
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}  // namespace tracked_objects
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#endif   // BASE_PROFILER_SCOPED_PROFILE_H_