bounce/examples/testbed/framework/json_profiler.h
2019-02-26 16:41:28 -03:00

55 lines
1.9 KiB
C++

/*
* Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef JSON_PROFILER_H
#define JSON_PROFILER_H
#include <bounce/common/settings.h>
#include <rapidjson/filewritestream.h>
#include <rapidjson/writer.h>
using namespace rapidjson;
// The following profiler listener is notified by a profiler when events are initiated
// or terminated.
// When it receives the notification it immediately saves its data into a .json file format.
// The .json file can be read and interpreted by the Google Chrome Tracing.
// Say chrome://tracing to the web browser and load the file
// This file is by default called "profile.json". Any name can be given.
// For implementation details, see json_profile.cpp.
class JsonProfiler
{
public:
JsonProfiler();
~JsonProfiler();
void BeginEvents();
void EndEvents();
void BeginEvent(i32 tid, i32 pid, const char* name, float64 time);
void EndEvent(i32 tid, i32 pid, const char* name, float64 time);
private:
FILE * m_file;
FileWriteStream* m_stream;
Writer<FileWriteStream>* m_writer;
};
#endif