Comhaid
rocm-systems/source/lib/include/library/components/pthread_gotcha.hpp
T
Jonathan R. Madsen 3151dd3aeb Created push/pop system for whether sampling is enabled (#27)
- also permitted turning off sampling in sampling mode
- also fixed ambiguous rocm_smi namespace issue in roctracer
2022-02-25 05:33:59 -06:00

85 línte
2.9 KiB
C++

// MIT License
//
// Copyright (c) 2022 Advanced Micro Devices, Inc. All Rights Reserved.
//
// 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 "library/common.hpp"
#include "library/defines.hpp"
#include "library/timemory.hpp"
#include <cstdint>
#include <future>
namespace omnitrace
{
struct pthread_gotcha : tim::component::base<pthread_gotcha, void>
{
struct wrapper
{
using routine_t = void* (*) (void*);
using promise_t = std::promise<void>;
wrapper(routine_t _routine, void* _arg, bool, int64_t, promise_t*);
void* operator()() const;
static void* wrap(void* _arg);
private:
bool m_enable_sampling = false;
int64_t m_parent_tid = 0;
routine_t m_routine = nullptr;
void* m_arg = nullptr;
promise_t* m_promise = nullptr;
};
TIMEMORY_DEFAULT_OBJECT(pthread_gotcha)
// string id for component
static std::string label() { return "pthread_gotcha"; }
// generate the gotcha wrappers
static void configure();
static void shutdown();
// query current value
static bool sampling_enabled_on_child_threads();
// use this to disable sampling in a region (e.g. right before thread creation)
static bool push_enable_sampling_on_child_threads(bool _v);
// use this to restore previous setting
static bool pop_enable_sampling_on_child_threads();
// make sure every newly created thead starts with this value
static void set_sampling_on_all_future_threads(bool _v);
// pthread_create
int operator()(pthread_t* thread, const pthread_attr_t* attr,
void* (*start_routine)(void*), void* arg) const;
private:
static bool& sampling_on_child_threads();
};
using pthread_gotcha_t = tim::component::gotcha<2, std::tuple<>, pthread_gotcha>;
} // namespace omnitrace