Mercurial > hg > svcore
view base/Profiler.cpp @ 1088:5fab8e4f5f19
Start making the FFT model tests into proper tests
author | Chris Cannam |
---|---|
date | Fri, 12 Jun 2015 12:41:19 +0100 |
parents | 16dc7307d43a |
children | c811991a5efa |
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2006 Chris Cannam, Guillaume Laurent, and QMUL. */ #include <iostream> #include "Profiler.h" #include <cstdio> #include <vector> #include <algorithm> #include <set> #include <map> Profiles* Profiles::m_instance = 0; Profiles* Profiles::getInstance() { if (!m_instance) m_instance = new Profiles(); return m_instance; } Profiles::Profiles() { } Profiles::~Profiles() { dump(); } void Profiles::accumulate( #ifndef NO_TIMING const char* id, clock_t time, RealTime rt #else const char*, clock_t, RealTime #endif ) { #ifndef NO_TIMING ProfilePair &pair(m_profiles[id]); ++pair.first; pair.second.first += time; pair.second.second = pair.second.second + rt; TimePair &lastPair(m_lastCalls[id]); lastPair.first = time; lastPair.second = rt; TimePair &worstPair(m_worstCalls[id]); if (time > worstPair.first) { worstPair.first = time; } if (rt > worstPair.second) { worstPair.second = rt; } #endif } void Profiles::dump() const { #ifndef NO_TIMING fprintf(stderr, "Profiling points:\n"); fprintf(stderr, "\nBy name:\n"); typedef std::set<const char *, std::less<std::string> > StringSet; StringSet profileNames; for (ProfileMap::const_iterator i = m_profiles.begin(); i != m_profiles.end(); ++i) { profileNames.insert(i->first); } for (StringSet::const_iterator i = profileNames.begin(); i != profileNames.end(); ++i) { ProfileMap::const_iterator j = m_profiles.find(*i); if (j == m_profiles.end()) continue; const ProfilePair &pp(j->second); fprintf(stderr, "%s(%d):\n", *i, pp.first); fprintf(stderr, "\tCPU: \t%.9g ms/call \t[%d ms total]\n", (((double)pp.second.first * 1000.0 / (double)pp.first) / CLOCKS_PER_SEC), int((double(pp.second.first) * 1000.0) / CLOCKS_PER_SEC)); fprintf(stderr, "\tReal: \t%s ms \t[%s ms total]\n", ((pp.second.second / pp.first) * 1000).toString().c_str(), (pp.second.second * 1000).toString().c_str()); WorstCallMap::const_iterator k = m_worstCalls.find(*i); if (k == m_worstCalls.end()) continue; const TimePair &wc(k->second); fprintf(stderr, "\tWorst:\t%s ms/call \t[%d ms CPU]\n", (wc.second * 1000).toString().c_str(), int((double(wc.first) * 1000.0) / CLOCKS_PER_SEC)); } typedef std::multimap<RealTime, const char *> TimeRMap; typedef std::multimap<int, const char *> IntRMap; TimeRMap totmap, avgmap, worstmap; IntRMap ncallmap; for (ProfileMap::const_iterator i = m_profiles.begin(); i != m_profiles.end(); ++i) { totmap.insert(TimeRMap::value_type(i->second.second.second, i->first)); avgmap.insert(TimeRMap::value_type(i->second.second.second / i->second.first, i->first)); ncallmap.insert(IntRMap::value_type(i->second.first, i->first)); } for (WorstCallMap::const_iterator i = m_worstCalls.begin(); i != m_worstCalls.end(); ++i) { worstmap.insert(TimeRMap::value_type(i->second.second, i->first)); } fprintf(stderr, "\nBy total:\n"); for (TimeRMap::const_iterator i = totmap.end(); i != totmap.begin(); ) { --i; fprintf(stderr, "%-40s %s ms\n", i->second, (i->first * 1000).toString().c_str()); } fprintf(stderr, "\nBy average:\n"); for (TimeRMap::const_iterator i = avgmap.end(); i != avgmap.begin(); ) { --i; fprintf(stderr, "%-40s %s ms\n", i->second, (i->first * 1000).toString().c_str()); } fprintf(stderr, "\nBy worst case:\n"); for (TimeRMap::const_iterator i = worstmap.end(); i != worstmap.begin(); ) { --i; fprintf(stderr, "%-40s %s ms\n", i->second, (i->first * 1000).toString().c_str()); } fprintf(stderr, "\nBy number of calls:\n"); for (IntRMap::const_iterator i = ncallmap.end(); i != ncallmap.begin(); ) { --i; fprintf(stderr, "%-40s %d\n", i->second, i->first); } #endif } #ifndef NO_TIMING Profiler::Profiler(const char* c, bool showOnDestruct) : m_c(c), m_showOnDestruct(showOnDestruct), m_ended(false) { m_startCPU = clock(); struct timeval tv; (void)gettimeofday(&tv, 0); m_startTime = RealTime::fromTimeval(tv); } void Profiler::update() const { clock_t elapsedCPU = clock() - m_startCPU; struct timeval tv; (void)gettimeofday(&tv, 0); RealTime elapsedTime = RealTime::fromTimeval(tv) - m_startTime; cerr << "Profiler : id = " << m_c << " - elapsed so far = " << ((elapsedCPU * 1000) / CLOCKS_PER_SEC) << "ms CPU, " << elapsedTime << " real" << endl; } Profiler::~Profiler() { if (!m_ended) end(); } void Profiler::end() { clock_t elapsedCPU = clock() - m_startCPU; struct timeval tv; (void)gettimeofday(&tv, 0); RealTime elapsedTime = RealTime::fromTimeval(tv) - m_startTime; Profiles::getInstance()->accumulate(m_c, elapsedCPU, elapsedTime); if (m_showOnDestruct) cerr << "Profiler : id = " << m_c << " - elapsed = " << ((elapsedCPU * 1000) / CLOCKS_PER_SEC) << "ms CPU, " << elapsedTime << " real" << endl; m_ended = true; } #endif