128 lines
2.2 KiB
C
128 lines
2.2 KiB
C
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/*
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* Profiler.h
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* ----------
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* Purpose: Performance measuring
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "BuildSettings.h"
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#include "../common/mptMutex.h"
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#include <string>
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#include <vector>
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OPENMPT_NAMESPACE_BEGIN
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#if defined(MODPLUG_TRACKER)
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//#define USE_PROFILER
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#endif
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#ifdef USE_PROFILER
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class Profiler
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{
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public:
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enum Category
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{
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GUI,
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Audio,
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Notify,
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CategoriesCount
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};
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static std::vector<std::string> GetCategoryNames()
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{
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std::vector<std::string> ret;
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ret.push_back("GUI");
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ret.push_back("Audio");
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ret.push_back("Notify");
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return ret;
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}
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public:
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static void Update();
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static std::string DumpProfiles();
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static std::vector<double> DumpCategories();
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};
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class Profile
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{
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private:
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mutable mpt::mutex datamutex;
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public:
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struct Data
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{
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uint64 Calls;
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uint64 Sum;
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int64 Overhead;
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uint64 Start;
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};
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public:
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Data data;
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uint64 EnterTime;
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Profiler::Category Category;
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const char * const Name;
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uint64 GetTime() const;
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uint64 GetFrequency() const;
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public:
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Profile(Profiler::Category category, const char *name);
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~Profile();
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void Reset();
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void Enter();
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void Leave();
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class Scope
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{
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private:
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Profile &profile;
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public:
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Scope(Profile &p) : profile(p) { profile.Enter(); }
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~Scope() { profile.Leave(); }
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};
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public:
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Data GetAndResetData();
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};
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#define OPENMPT_PROFILE_SCOPE(cat, name) \
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static Profile OPENMPT_PROFILE_VAR(cat, name);\
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Profile::Scope OPENMPT_PROFILE_SCOPE_VAR(OPENMPT_PROFILE_VAR); \
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/**/
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#define OPENMPT_PROFILE_FUNCTION(cat) OPENMPT_PROFILE_SCOPE(cat, __func__)
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#else // !USE_PROFILER
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class Profiler
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{
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public:
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enum Category
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{
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CategoriesCount
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};
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static std::vector<std::string> GetCategoryNames() { return std::vector<std::string>(); }
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public:
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static void Update() { }
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static std::string DumpProfiles() { return std::string(); }
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static std::vector<double> DumpCategories() { return std::vector<double>(); }
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};
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#define OPENMPT_PROFILE_SCOPE(cat, name) MPT_DO { } MPT_WHILE_0
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#define OPENMPT_PROFILE_FUNCTION(cat) MPT_DO { } MPT_WHILE_0
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#endif // USE_PROFILER
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OPENMPT_NAMESPACE_END
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