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content / public / common / profiling.h [blame]
// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_COMMON_PROFILING_H_
#define CONTENT_PUBLIC_COMMON_PROFILING_H_
#include "build/build_config.h"
#include "base/debug/profiler.h"
#include "content/common/content_export.h"
namespace content {
// The Profiling class manages the interaction with a sampling based profiler.
// Its function is controlled by the kProfilingAtStart, kProfilingFile, and
// kProfilingFlush command line values.
// All of the API should only be called from the main thread of the process.
class CONTENT_EXPORT Profiling {
public:
Profiling(const Profiling&) = delete;
Profiling& operator=(const Profiling&) = delete;
// Called early in a process' life to allow profiling of startup time.
// the presence of kProfilingAtStart is checked.
static void ProcessStarted();
// Start profiling.
static void Start();
// Stop profiling and write out profiling file.
static void Stop();
// Returns true if the process is being profiled.
static bool BeingProfiled();
// Toggle profiling on/off.
static void Toggle();
private:
// Do not instantiate this class.
Profiling();
};
} // namespace content
#endif // CONTENT_PUBLIC_COMMON_PROFILING_H_