parallel-rdp-standalone/util/timeline_trace_file.hpp

71 lines
2.0 KiB
C++

/* Copyright (c) 2017-2020 Hans-Kristian Arntzen
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <thread>
#include <condition_variable>
#include <mutex>
#include <memory>
#include <queue>
#include "object_pool.hpp"
namespace Util
{
class TimelineTraceFile
{
public:
explicit TimelineTraceFile(const std::string &path);
~TimelineTraceFile();
static void set_tid(const char *tid);
static TimelineTraceFile *get_per_thread();
static void set_per_thread(TimelineTraceFile *file);
struct Event
{
char desc[256];
char tid[32];
uint32_t pid;
uint64_t start_ns, end_ns;
void set_desc(const char *desc);
void set_tid(const char *tid);
};
Event *begin_event(const char *desc, uint32_t pid = 0);
void end_event(Event *e);
Event *allocate_event();
void submit_event(Event *e);
private:
void looper(std::string path);
std::thread thr;
std::mutex lock;
std::condition_variable cond;
ThreadSafeObjectPool<Event> event_pool;
std::queue<Event *> queued_events;
};
}