cppcheck/lib/timer.h

90 lines
2.5 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 Cppcheck team.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
//---------------------------------------------------------------------------
#ifndef timerH
#define timerH
//---------------------------------------------------------------------------
#include "config.h"
#include <ctime>
#include <map>
#include <mutex>
#include <string>
enum class SHOWTIME_MODES {
SHOWTIME_NONE,
SHOWTIME_FILE,
SHOWTIME_FILE_TOTAL,
SHOWTIME_SUMMARY,
SHOWTIME_TOP5_SUMMARY,
SHOWTIME_TOP5_FILE
};
class CPPCHECKLIB TimerResultsIntf {
public:
virtual ~TimerResultsIntf() = default;
virtual void addResults(const std::string& str, std::clock_t clocks) = 0;
};
struct TimerResultsData {
std::clock_t mClocks{};
long mNumberOfResults{};
double seconds() const {
const double ret = (double)((unsigned long)mClocks) / (double)CLOCKS_PER_SEC;
return ret;
}
};
class CPPCHECKLIB TimerResults : public TimerResultsIntf {
public:
TimerResults() = default;
void showResults(SHOWTIME_MODES mode) const;
void addResults(const std::string& str, std::clock_t clocks) override;
void reset();
private:
std::map<std::string, struct TimerResultsData> mResults;
mutable std::mutex mResultsSync;
};
class CPPCHECKLIB Timer {
public:
Timer(std::string str, SHOWTIME_MODES showtimeMode, TimerResultsIntf* timerResults = nullptr);
Timer(bool fileTotal, std::string filename);
~Timer();
Timer(const Timer&) = delete;
Timer& operator=(const Timer&) = delete;
void stop();
private:
const std::string mStr;
TimerResultsIntf* mTimerResults{};
std::clock_t mStart = std::clock();
const SHOWTIME_MODES mShowTimeMode = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL;
bool mStopped{};
};
//---------------------------------------------------------------------------
#endif // timerH