cppcheck/lib/timer.cpp

114 lines
3.5 KiB
C++
Raw Normal View History

2010-08-31 22:18:07 +02:00
/*
* Cppcheck - A tool for static C/C++ code analysis
2022-08-28 14:22:12 +02:00
* Copyright (C) 2007-2022 Cppcheck team.
2010-08-31 22:18:07 +02:00
*
* 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/>.
*/
#include "timer.h"
2017-05-27 04:33:47 +02:00
#include <algorithm>
2010-08-31 22:18:07 +02:00
#include <iostream>
2017-05-27 04:33:47 +02:00
#include <utility>
#include <vector>
2010-08-31 22:18:07 +02:00
/*
TODO:
- rename "file" to "single"
- synchronise map access in multithreaded mode or disable timing
- add unit tests
- for --showtime (needs input file)
- for Timer* classes
2021-08-07 20:51:18 +02:00
*/
2010-08-31 22:18:07 +02:00
namespace {
using dataElementType = std::pair<std::string, struct TimerResultsData>;
bool more_second_sec(const dataElementType& lhs, const dataElementType& rhs)
{
return lhs.second.seconds() > rhs.second.seconds();
}
}
2010-08-31 22:18:07 +02:00
void TimerResults::showResults(SHOWTIME_MODES mode) const
2010-08-31 22:18:07 +02:00
{
2019-07-31 22:35:51 +02:00
if (mode == SHOWTIME_MODES::SHOWTIME_NONE)
return;
std::cout << std::endl;
TimerResultsData overallData;
2010-08-31 22:18:07 +02:00
std::vector<dataElementType> data;
data.reserve(mResults.size());
{
std::lock_guard<std::mutex> l(mResultsSync);
data.insert(data.begin(), mResults.cbegin(), mResults.cend());
}
std::sort(data.begin(), data.end(), more_second_sec);
2010-08-31 22:18:07 +02:00
size_t ordinal = 1; // maybe it would be nice to have an ordinal in output later!
for (std::vector<dataElementType>::const_iterator iter=data.cbegin(); iter!=data.cend(); ++iter) {
const double sec = iter->second.seconds();
2018-06-16 22:24:44 +02:00
const double secAverage = sec / (double)(iter->second.mNumberOfResults);
2018-06-16 22:25:25 +02:00
overallData.mClocks += iter->second.mClocks;
2019-07-31 22:35:51 +02:00
if ((mode != SHOWTIME_MODES::SHOWTIME_TOP5) || (ordinal<=5)) {
2018-06-16 22:24:44 +02:00
std::cout << iter->first << ": " << sec << "s (avg. " << secAverage << "s - " << iter->second.mNumberOfResults << " result(s))" << std::endl;
}
++ordinal;
2010-08-31 22:18:07 +02:00
}
const double secOverall = overallData.seconds();
2010-08-31 22:18:07 +02:00
std::cout << "Overall time: " << secOverall << "s" << std::endl;
}
void TimerResults::addResults(const std::string& str, std::clock_t clocks)
2010-08-31 22:18:07 +02:00
{
std::lock_guard<std::mutex> l(mResultsSync);
2018-06-17 17:20:16 +02:00
mResults[str].mClocks += clocks;
mResults[str].mNumberOfResults++;
2010-08-31 22:18:07 +02:00
}
Timer::Timer(std::string str, SHOWTIME_MODES showtimeMode, TimerResultsIntf* timerResults)
: mStr(std::move(str))
2018-06-16 22:14:59 +02:00
, mTimerResults(timerResults)
2018-06-16 22:43:25 +02:00
, mStart(0)
2018-06-16 22:40:11 +02:00
, mShowTimeMode(showtimeMode)
2018-06-16 22:34:50 +02:00
, mStopped(false)
2010-08-31 22:18:07 +02:00
{
2019-07-31 22:35:51 +02:00
if (showtimeMode != SHOWTIME_MODES::SHOWTIME_NONE)
2018-06-16 22:43:25 +02:00
mStart = std::clock();
2010-08-31 22:18:07 +02:00
}
Timer::~Timer()
{
stop();
2010-08-31 22:18:07 +02:00
}
void Timer::stop()
2010-08-31 22:18:07 +02:00
{
2019-07-31 22:35:51 +02:00
if ((mShowTimeMode != SHOWTIME_MODES::SHOWTIME_NONE) && !mStopped) {
2010-08-31 22:18:07 +02:00
const std::clock_t end = std::clock();
2018-06-16 22:43:25 +02:00
const std::clock_t diff = end - mStart;
2010-08-31 22:18:07 +02:00
2019-07-31 22:35:51 +02:00
if (mShowTimeMode == SHOWTIME_MODES::SHOWTIME_FILE) {
2018-04-04 21:51:31 +02:00
const double sec = (double)diff / CLOCKS_PER_SEC;
2018-06-16 22:49:51 +02:00
std::cout << mStr << ": " << sec << "s" << std::endl;
2011-10-13 20:53:06 +02:00
} else {
2018-06-16 22:14:59 +02:00
if (mTimerResults)
mTimerResults->addResults(mStr, diff);
2010-08-31 22:18:07 +02:00
}
}
2018-06-16 22:34:50 +02:00
mStopped = true;
2010-08-31 22:18:07 +02:00
}