gecko-dev/tools/profiler/ProfilerBacktrace.h

37 lines
1.1 KiB
C++

/* -*- 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/. */
#ifndef __PROFILER_BACKTRACE_H
#define __PROFILER_BACKTRACE_H
class SyncProfile;
class SpliceableJSONWriter;
class UniqueStacks;
class ProfilerBacktrace
{
public:
explicit ProfilerBacktrace(SyncProfile* aProfile);
~ProfilerBacktrace();
// ProfilerBacktraces' stacks are deduplicated in the context of the
// profile that contains the backtrace as a marker payload.
//
// That is, markers that contain backtraces should not need their own stack,
// frame, and string tables. They should instead reuse their parent
// profile's tables.
void StreamJSON(SpliceableJSONWriter& aWriter, UniqueStacks& aUniqueStacks);
private:
ProfilerBacktrace(const ProfilerBacktrace&);
ProfilerBacktrace& operator=(const ProfilerBacktrace&);
SyncProfile* mProfile;
};
#endif // __PROFILER_BACKTRACE_H