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rocm-systems/projects/rocprofiler-sdk/source/lib/common/simple_timer.hpp
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// MIT License
//
// Copyright (c) 2025 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 "lib/common/defines.hpp"
#include <chrono>
#include <cstdint>
#include <string>
#include <string_view>
#include <type_traits>
namespace rocprofiler
{
namespace common
{
struct defer_start
{};
struct simple_timer
{
using duration_t = std::chrono::duration<double>;
explicit simple_timer(std::string&& label);
explicit simple_timer(std::string&& label, defer_start);
~simple_timer();
void start();
void stop();
double get() const;
size_t get_nsec() const;
std::string_view label() const { return std::string_view{m_label}; }
void set_quiet(bool v) const { m_quiet = v; }
friend std::ostream& operator<<(std::ostream& _os, const simple_timer& _val);
private:
using clock_type = std::chrono::steady_clock;
using time_point_t = std::chrono::time_point<clock_type, std::chrono::nanoseconds>;
std::string m_label = {};
time_point_t m_beg = {};
time_point_t m_end = {};
mutable bool m_quiet = false;
};
} // namespace common
} // namespace rocprofiler