114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "timer.h"
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#include <algorithm>
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#include <iostream>
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#include <utility>
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#include <vector>
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/*
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TODO:
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- rename "file" to "single"
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- synchronise map access in multithreaded mode or disable timing
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- add unit tests
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- for --showtime (needs input file)
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- for Timer* classes
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*/
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namespace {
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using dataElementType = std::pair<std::string, struct TimerResultsData>;
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bool more_second_sec(const dataElementType& lhs, const dataElementType& rhs)
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{
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return lhs.second.seconds() > rhs.second.seconds();
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}
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}
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void TimerResults::showResults(SHOWTIME_MODES mode) const
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{
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if (mode == SHOWTIME_MODES::SHOWTIME_NONE)
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return;
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std::cout << std::endl;
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TimerResultsData overallData;
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std::vector<dataElementType> data;
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data.reserve(mResults.size());
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{
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std::lock_guard<std::mutex> l(mResultsSync);
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data.insert(data.begin(), mResults.cbegin(), mResults.cend());
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}
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std::sort(data.begin(), data.end(), more_second_sec);
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size_t ordinal = 1; // maybe it would be nice to have an ordinal in output later!
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for (std::vector<dataElementType>::const_iterator iter=data.cbegin(); iter!=data.cend(); ++iter) {
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const double sec = iter->second.seconds();
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const double secAverage = sec / (double)(iter->second.mNumberOfResults);
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overallData.mClocks += iter->second.mClocks;
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if ((mode != SHOWTIME_MODES::SHOWTIME_TOP5) || (ordinal<=5)) {
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std::cout << iter->first << ": " << sec << "s (avg. " << secAverage << "s - " << iter->second.mNumberOfResults << " result(s))" << std::endl;
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}
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++ordinal;
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}
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const double secOverall = overallData.seconds();
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std::cout << "Overall time: " << secOverall << "s" << std::endl;
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}
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void TimerResults::addResults(const std::string& str, std::clock_t clocks)
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{
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std::lock_guard<std::mutex> l(mResultsSync);
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mResults[str].mClocks += clocks;
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mResults[str].mNumberOfResults++;
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}
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Timer::Timer(std::string str, SHOWTIME_MODES showtimeMode, TimerResultsIntf* timerResults)
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: mStr(std::move(str))
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, mTimerResults(timerResults)
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, mStart(0)
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, mShowTimeMode(showtimeMode)
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, mStopped(false)
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{
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if (showtimeMode != SHOWTIME_MODES::SHOWTIME_NONE)
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mStart = std::clock();
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}
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Timer::~Timer()
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{
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stop();
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}
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void Timer::stop()
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{
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if ((mShowTimeMode != SHOWTIME_MODES::SHOWTIME_NONE) && !mStopped) {
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const std::clock_t end = std::clock();
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const std::clock_t diff = end - mStart;
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if (mShowTimeMode == SHOWTIME_MODES::SHOWTIME_FILE) {
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const double sec = (double)diff / CLOCKS_PER_SEC;
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std::cout << mStr << ": " << sec << "s" << std::endl;
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} else {
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if (mTimerResults)
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mTimerResults->addResults(mStr, diff);
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}
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}
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mStopped = true;
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}
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