ProfilerStackWalk.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// The Gecko Profiler is an always-on profiler that takes fast and low overhead

// samples of the program execution using only userspace functionality for

// portability. The goal of this module is to provide performance data in a

// generic cross-platform way without requiring custom tools or kernel support.

//

// Samples are collected to form a timeline with optional timeline event

// (markers) used for filtering. The samples include both native stacks and

// platform-independent "label stack" frames.

#ifndef ProfilerStackWalk_h

#define ProfilerStackWalk_h

#include "ProfilerNativeStack.h"

#include "mozilla/ProfileChunkedBuffer.h"

class StackWalkControl;

void DoNativeBacktraceDirect(const void* stackTop, NativeStack& aNativeStack,

                             StackWalkControl* aStackWalkControlIfSupported);

bool profiler_backtrace_into_buffer(

    mozilla::ProfileChunkedBuffer& aChunkedBuffer, NativeStack& aNativeStack);

#endif  // ProfilerStackWalk_h