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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
#include <chrono>
#include <iostream>
#include <string>
#include "BLI_sys_types.h"
namespace blender::timeit {
using Clock = std::chrono::steady_clock;
using TimePoint = Clock::time_point;
using Nanoseconds = std::chrono::nanoseconds;
void print_duration(Nanoseconds duration);
class ScopedTimer {
private:
std::string name_;
TimePoint start_;
public:
ScopedTimer(std::string name) : name_(std::move(name))
{
start_ = Clock::now();
}
~ScopedTimer()
{
const TimePoint end = Clock::now();
const Nanoseconds duration = end - start_;
std::cout << "Timer '" << name_ << "' took ";
print_duration(duration);
std::cout << '\n';
}
};
} // namespace blender::timeit
#define SCOPED_TIMER(name) blender::timeit::ScopedTimer scoped_timer(name)
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