annotate base/Profiler.cpp @ 1886:f803d3c33f76 tip

Switch off copious debug in soft synth driving
author Chris Cannam
date Fri, 14 Aug 2020 10:44:44 +0100
parents ecd3152750a5
children
rev   line source
Chris@49 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@52 4 Sonic Visualiser
Chris@52 5 An audio file viewer and annotation editor.
Chris@52 6 Centre for Digital Music, Queen Mary, University of London.
Chris@0 7
Chris@52 8 This program is free software; you can redistribute it and/or
Chris@52 9 modify it under the terms of the GNU General Public License as
Chris@52 10 published by the Free Software Foundation; either version 2 of the
Chris@52 11 License, or (at your option) any later version. See the file
Chris@52 12 COPYING included with this distribution for more information.
Chris@0 13 */
Chris@0 14
Chris@0 15 /*
Chris@0 16 This is a modified version of a source file from the
Chris@0 17 Rosegarden MIDI and audio sequencer and notation editor.
Chris@202 18 This file copyright 2000-2006 Chris Cannam, Guillaume Laurent,
Chris@202 19 and QMUL.
Chris@0 20 */
Chris@0 21
Chris@0 22 #include <iostream>
Chris@0 23 #include "Profiler.h"
Chris@0 24
Chris@658 25 #include <cstdio>
Chris@658 26
Chris@0 27 #include <vector>
Chris@0 28 #include <algorithm>
Chris@183 29 #include <set>
Chris@183 30 #include <map>
Chris@0 31
Chris@1582 32 Profiles* Profiles::m_instance = nullptr;
Chris@0 33
Chris@0 34 Profiles* Profiles::getInstance()
Chris@0 35 {
Chris@0 36 if (!m_instance) m_instance = new Profiles();
Chris@0 37
Chris@0 38 return m_instance;
Chris@0 39 }
Chris@0 40
Chris@0 41 Profiles::Profiles()
Chris@0 42 {
Chris@0 43 }
Chris@0 44
Chris@0 45 Profiles::~Profiles()
Chris@0 46 {
Chris@0 47 dump();
Chris@0 48 }
Chris@0 49
Chris@1216 50 #ifndef NO_TIMING
Chris@259 51 void Profiles::accumulate(
Chris@259 52 const char* id, clock_t time, RealTime rt
Chris@259 53 )
Chris@0 54 {
Chris@0 55 ProfilePair &pair(m_profiles[id]);
Chris@0 56 ++pair.first;
Chris@0 57 pair.second.first += time;
Chris@0 58 pair.second.second = pair.second.second + rt;
Chris@0 59
Chris@183 60 TimePair &lastPair(m_lastCalls[id]);
Chris@183 61 lastPair.first = time;
Chris@183 62 lastPair.second = rt;
Chris@183 63
Chris@183 64 TimePair &worstPair(m_worstCalls[id]);
Chris@183 65 if (time > worstPair.first) {
Chris@183 66 worstPair.first = time;
Chris@183 67 }
Chris@183 68 if (rt > worstPair.second) {
Chris@183 69 worstPair.second = rt;
Chris@183 70 }
Chris@1216 71 }
Chris@0 72 #endif
Chris@0 73
Chris@183 74 void Profiles::dump() const
Chris@0 75 {
Chris@183 76 #ifndef NO_TIMING
Chris@0 77
Chris@183 78 fprintf(stderr, "Profiling points:\n");
Chris@0 79
Chris@183 80 fprintf(stderr, "\nBy name:\n");
Chris@183 81
Chris@183 82 typedef std::set<const char *, std::less<std::string> > StringSet;
Chris@183 83
Chris@183 84 StringSet profileNames;
Chris@183 85 for (ProfileMap::const_iterator i = m_profiles.begin();
Chris@183 86 i != m_profiles.end(); ++i) {
Chris@183 87 profileNames.insert(i->first);
Chris@0 88 }
Chris@0 89
Chris@183 90 for (StringSet::const_iterator i = profileNames.begin();
Chris@183 91 i != profileNames.end(); ++i) {
Chris@0 92
Chris@183 93 ProfileMap::const_iterator j = m_profiles.find(*i);
Chris@0 94
Chris@183 95 if (j == m_profiles.end()) continue;
Chris@0 96
Chris@183 97 const ProfilePair &pp(j->second);
Chris@0 98
Chris@183 99 fprintf(stderr, "%s(%d):\n", *i, pp.first);
Chris@183 100
Chris@183 101 fprintf(stderr, "\tCPU: \t%.9g ms/call \t[%d ms total]\n",
Chris@183 102 (((double)pp.second.first * 1000.0 /
Chris@1429 103 (double)pp.first) / CLOCKS_PER_SEC),
Chris@1042 104 int((double(pp.second.first) * 1000.0) / CLOCKS_PER_SEC));
Chris@183 105
Chris@183 106 fprintf(stderr, "\tReal: \t%s ms \t[%s ms total]\n",
Chris@183 107 ((pp.second.second / pp.first) * 1000).toString().c_str(),
Chris@183 108 (pp.second.second * 1000).toString().c_str());
Chris@183 109
Chris@183 110 WorstCallMap::const_iterator k = m_worstCalls.find(*i);
Chris@183 111 if (k == m_worstCalls.end()) continue;
Chris@183 112
Chris@183 113 const TimePair &wc(k->second);
Chris@183 114
Chris@183 115 fprintf(stderr, "\tWorst:\t%s ms/call \t[%d ms CPU]\n",
Chris@183 116 (wc.second * 1000).toString().c_str(),
Chris@1042 117 int((double(wc.first) * 1000.0) / CLOCKS_PER_SEC));
Chris@0 118 }
Chris@0 119
Chris@183 120 typedef std::multimap<RealTime, const char *> TimeRMap;
Chris@183 121 typedef std::multimap<int, const char *> IntRMap;
Chris@183 122
Chris@183 123 TimeRMap totmap, avgmap, worstmap;
Chris@183 124 IntRMap ncallmap;
Chris@183 125
Chris@183 126 for (ProfileMap::const_iterator i = m_profiles.begin();
Chris@183 127 i != m_profiles.end(); ++i) {
Chris@183 128 totmap.insert(TimeRMap::value_type(i->second.second.second, i->first));
Chris@183 129 avgmap.insert(TimeRMap::value_type(i->second.second.second /
Chris@183 130 i->second.first, i->first));
Chris@183 131 ncallmap.insert(IntRMap::value_type(i->second.first, i->first));
Chris@183 132 }
Chris@183 133
Chris@183 134 for (WorstCallMap::const_iterator i = m_worstCalls.begin();
Chris@183 135 i != m_worstCalls.end(); ++i) {
Chris@183 136 worstmap.insert(TimeRMap::value_type(i->second.second,
Chris@183 137 i->first));
Chris@183 138 }
Chris@183 139
Chris@183 140
Chris@1856 141 fprintf(stderr, "\nBy number of calls:\n");
Chris@1856 142 for (IntRMap::const_iterator i = ncallmap.end(); i != ncallmap.begin(); ) {
Chris@183 143 --i;
Chris@1856 144 fprintf(stderr, "%-40s %d\n", i->second, i->first);
Chris@183 145 }
Chris@183 146
Chris@183 147 fprintf(stderr, "\nBy average:\n");
Chris@183 148 for (TimeRMap::const_iterator i = avgmap.end(); i != avgmap.begin(); ) {
Chris@183 149 --i;
Chris@183 150 fprintf(stderr, "%-40s %s ms\n", i->second,
Chris@183 151 (i->first * 1000).toString().c_str());
Chris@183 152 }
Chris@183 153
Chris@183 154 fprintf(stderr, "\nBy worst case:\n");
Chris@183 155 for (TimeRMap::const_iterator i = worstmap.end(); i != worstmap.begin(); ) {
Chris@183 156 --i;
Chris@183 157 fprintf(stderr, "%-40s %s ms\n", i->second,
Chris@408 158 (i->first * 1000).toString().c_str());
Chris@183 159 }
Chris@183 160
Chris@1856 161 fprintf(stderr, "\nBy total:\n");
Chris@1856 162 for (TimeRMap::const_iterator i = totmap.end(); i != totmap.begin(); ) {
Chris@183 163 --i;
Chris@1856 164 fprintf(stderr, "%-40s %s ms\n", i->second,
Chris@1856 165 (i->first * 1000).toString().c_str());
Chris@183 166 }
Chris@183 167
Chris@0 168 #endif
Chris@0 169 }
Chris@0 170
Chris@183 171 #ifndef NO_TIMING
Chris@183 172
Chris@408 173 Profiler::Profiler(const char* c, bool showOnDestruct) :
Chris@408 174 m_c(c),
Chris@408 175 m_showOnDestruct(showOnDestruct),
Chris@408 176 m_ended(false)
Chris@0 177 {
Chris@0 178 m_startCPU = clock();
Chris@0 179
Chris@0 180 struct timeval tv;
Chris@0 181 (void)gettimeofday(&tv, 0);
Chris@26 182 m_startTime = RealTime::fromTimeval(tv);
Chris@0 183 }
Chris@0 184
Chris@0 185 void
Chris@183 186 Profiler::update() const
Chris@0 187 {
Chris@0 188 clock_t elapsedCPU = clock() - m_startCPU;
Chris@0 189
Chris@0 190 struct timeval tv;
Chris@0 191 (void)gettimeofday(&tv, 0);
Chris@26 192 RealTime elapsedTime = RealTime::fromTimeval(tv) - m_startTime;
Chris@0 193
Chris@0 194 cerr << "Profiler : id = " << m_c
Chris@1429 195 << " - elapsed so far = " << ((elapsedCPU * 1000) / CLOCKS_PER_SEC)
Chris@1429 196 << "ms CPU, " << elapsedTime << " real" << endl;
Chris@0 197 }
Chris@0 198
Chris@0 199 Profiler::~Profiler()
Chris@0 200 {
Chris@408 201 if (!m_ended) end();
Chris@408 202 }
Chris@408 203
Chris@408 204 void
Chris@408 205 Profiler::end()
Chris@408 206 {
Chris@0 207 clock_t elapsedCPU = clock() - m_startCPU;
Chris@0 208
Chris@0 209 struct timeval tv;
Chris@0 210 (void)gettimeofday(&tv, 0);
Chris@26 211 RealTime elapsedTime = RealTime::fromTimeval(tv) - m_startTime;
Chris@0 212
Chris@0 213 Profiles::getInstance()->accumulate(m_c, elapsedCPU, elapsedTime);
Chris@0 214
Chris@0 215 if (m_showOnDestruct)
Chris@0 216 cerr << "Profiler : id = " << m_c
Chris@0 217 << " - elapsed = " << ((elapsedCPU * 1000) / CLOCKS_PER_SEC)
Chris@1429 218 << "ms CPU, " << elapsedTime << " real" << endl;
Chris@408 219
Chris@408 220 m_ended = true;
Chris@0 221 }
Chris@0 222
Chris@183 223 #endif
Chris@183 224