libs/rubberband/src/Profiler.h

   1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
   2
   3 /*
   4     Rubber Band
   5     An audio time-stretching and pitch-shifting library.
   6     Copyright 2007-2008 Chris Cannam.
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License as
  10     published by the Free Software Foundation; either version 2 of the
  11     License, or (at your option) any later version.  See the file
  12     COPYING included with this distribution for more information.
  13 */
  14
  15 #ifndef _PROFILER_H_
  16 #define _PROFILER_H_
  17
  18 #define NO_TIMING 1
  19
  20 //#define WANT_TIMING 1
  21 //#define PROFILE_CLOCKS 1
  22
  23 #ifdef NDEBUG
  24 #ifndef WANT_TIMING
  25 #define NO_TIMING 1
  26 #endif
  27 #endif
  28
  29 #ifndef NO_TIMING
  30 #ifdef PROFILE_CLOCKS
  31 #include <time.h>
  32 #else
  33 #include "sysutils.h"
  34 #ifndef _WIN32
  35 #include <sys/time.h>
  36 #endif
  37 #endif
  38 #endif
  39
  40 #include <map>
  41
  42 namespace RubberBand {
  43
  44 #ifndef NO_TIMING
  45
  46 class Profiler
  47 {
  48 public:
  49     Profiler(const char *name);
  50     ~Profiler();
  51
  52     void end(); // same action as dtor
  53
  54     static void dump();
  55
  56 protected:
  57     const char* m_c;
  58 #ifdef PROFILE_CLOCKS
  59     clock_t m_start;
  60 #else
  61     struct timeval m_start;
  62 #endif
  63     bool m_showOnDestruct;
  64     bool m_ended;
  65
  66     typedef std::pair<int, float> TimePair;
  67     typedef std::map<const char *, TimePair> ProfileMap;
  68     typedef std::map<const char *, float> WorstCallMap;
  69     static ProfileMap m_profiles;
  70     static WorstCallMap m_worstCalls;
  71     static void add(const char *, float);
  72 };
  73
  74 #else
  75
  76 class Profiler
  77 {
  78 public:
  79     Profiler(const char *) { }
  80     ~Profiler() { }
  81
  82     void update() const { }
  83     void end() { }
  84     static void dump() { }
  85 };
  86
  87 #endif
  88
  89 }
  90
  91 #endif