120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rubber Band Library
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An audio time-stretching and pitch-shifting library.
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Copyright 2007-2024 Particular Programs Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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Alternatively, if you have a valid commercial licence for the
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Rubber Band Library obtained by agreement with the copyright
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holders, you may redistribute and/or modify it under the terms
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described in that licence.
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If you wish to distribute code using the Rubber Band Library
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under terms other than those of the GNU General Public License,
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you must obtain a valid commercial licence before doing so.
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*/
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#ifndef RUBBERBAND_PROFILER_H
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#define RUBBERBAND_PROFILER_H
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//#define NO_TIMING 1
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//#define WANT_TIMING 1
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//#define PROFILE_CLOCKS 1
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// Define NO_TIMING or NDEBUG to switch off profilers
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#ifdef NDEBUG
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#define NO_TIMING 1
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#endif
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// But we always allow WANT_TIMING to switch them back on again
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#ifdef WANT_TIMING
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#undef NO_TIMING
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#endif
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#ifndef NO_TIMING
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#include <chrono>
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#endif
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#ifndef NO_TIMING
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#include <map>
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#include <string>
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#endif
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namespace RubberBand {
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#ifndef NO_TIMING
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class Profiler
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{
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public:
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Profiler(const char *name);
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~Profiler();
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void end(); // same action as dtor
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static void dump();
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// Unlike the other functions, this is only defined if NO_TIMING
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// is not set (because it uses std::string which is otherwise
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// unused here). So, treat this as a tricksy internal function
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// rather than an API call and guard any call to it appropriately.
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static std::string getReport();
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protected:
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const char *const m_c;
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std::chrono::time_point<std::chrono::steady_clock> m_start;
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bool m_showOnDestruct;
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bool m_ended;
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typedef std::pair<int, double> TimePair;
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typedef std::map<const char *, TimePair> ProfileMap;
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typedef std::map<const char *, double> WorstCallMap;
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static ProfileMap m_profiles;
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static WorstCallMap m_worstCalls;
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static void add(const char *, double);
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};
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#else
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#ifdef NO_TIMING_COMPLETE_NOOP
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// Fastest for release builds, but annoying because it can't be linked
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// with code built in debug mode (expecting non-inline functions), so
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// not preferred during development
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class Profiler
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{
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public:
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Profiler(const char *) { }
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~Profiler() { }
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void end() { }
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static void dump() { }
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};
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#else
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class Profiler
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{
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public:
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Profiler(const char *);
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~Profiler();
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void end();
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static void dump();
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};
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#endif
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#endif
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}
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#endif
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