cppcheck/lib/timer.cpp

100 lines
2.9 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2013 Daniel Marjamäki and 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/>.
*/
#include <iostream>
#include "timer.h"
/*
TODO:
- sort list by time
- do not sort the results alphabetically
- rename "file" to "single"
- synchronise map access in multithreaded mode or disable timing
- add unit tests
- for --showtime (needs input file)
- for Timer* classes
*/
void TimerResults::ShowResults(SHOWTIME_MODES mode) const
{
if (mode == SHOWTIME_NONE)
return;
std::cout << std::endl;
TimerResultsData overallData;
std::map<std::string, struct TimerResultsData>::const_iterator I = _results.begin();
const std::map<std::string, struct TimerResultsData>::const_iterator E = _results.end();
size_t item = 0;
while (I != E) {
const double sec = I->second.seconds();
const double secAverage = sec / (double)(I->second._numberOfResults);
std::cout << I->first << ": " << sec << "s (avg. " << secAverage << "s - " << I->second._numberOfResults << " result(s))" << std::endl;
overallData._clocks += I->second._clocks;
++I;
++item;
if ((mode == SHOWTIME_TOP5) && (item>=5))
break;
}
const double secOverall = overallData.seconds();
std::cout << "Overall time: " << secOverall << "s" << std::endl;
}
void TimerResults::AddResults(const std::string& str, std::clock_t clocks)
{
_results[str]._clocks += clocks;
_results[str]._numberOfResults++;
}
Timer::Timer(const std::string& str, unsigned int showtimeMode, TimerResultsIntf* timerResults)
: _str(str)
, _timerResults(timerResults)
, _start(0)
, _showtimeMode(showtimeMode)
, _stopped(false)
{
if (showtimeMode != SHOWTIME_NONE)
_start = std::clock();
}
Timer::~Timer()
{
Stop();
}
void Timer::Stop()
{
if ((_showtimeMode != SHOWTIME_NONE) && !_stopped) {
const std::clock_t end = std::clock();
const std::clock_t diff = end - _start;
if (_showtimeMode == SHOWTIME_FILE) {
double sec = (double)diff / CLOCKS_PER_SEC;
std::cout << _str << ": " << sec << "s" << std::endl;
} else {
if (_timerResults)
_timerResults->AddResults(_str, diff);
}
}
_stopped = true;
}