162 lines
4.2 KiB
C++
162 lines
4.2 KiB
C++
/**
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* =========================================================================
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* File : Profile.h
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* Project : Pyrogenesis
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* Description : GPG3-style hierarchical profiler
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*
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* @author Mark Thompson (mark@wildfiregames.com / mot20@cam.ac.uk)
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* =========================================================================
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*/
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#ifndef PROFILE_H_INCLUDED
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#define PROFILE_H_INCLUDED
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#include <vector>
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#include "Singleton.h"
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#include "scripting/ScriptableObject.h"
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#include "lib/timer.h"
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#define PROFILE_AMORTIZE
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#define PROFILE_AMORTIZE_FRAMES 50
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class CProfileManager;
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class CProfileNodeTable;
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class CProfileNode : public CJSObject<CProfileNode, true>
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{
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friend class CProfileManager;
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friend class CProfileNodeTable;
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const char* name;
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int calls_total;
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int calls_frame_current;
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#ifdef PROFILE_AMORTIZE
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int calls_frame_buffer[PROFILE_AMORTIZE_FRAMES];
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int* calls_frame_last;
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float calls_frame_amortized;
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#else
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int calls_frame_last;
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#endif
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double time_total;
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double time_frame_current;
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#ifdef PROFILE_AMORTIZE
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double time_frame_buffer[PROFILE_AMORTIZE_FRAMES];
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double* time_frame_last;
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double time_frame_amortized;
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#else
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double time_frame_last;
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#endif
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double start;
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int recursion;
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CProfileNode* parent;
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std::vector<CProfileNode*> children;
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std::vector<CProfileNode*> script_children;
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CProfileNodeTable* display_table;
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public:
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typedef std::vector<CProfileNode*>::iterator profile_iterator;
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typedef std::vector<CProfileNode*>::const_iterator const_profile_iterator;
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CProfileNode( const char* name, CProfileNode* parent );
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~CProfileNode();
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const char* GetName() const { return( name ); }
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int GetCalls() const { return( calls_total ); }
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double GetTime() const { return( time_total ); }
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#ifdef PROFILE_AMORTIZE
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float GetFrameCalls() const { return( calls_frame_amortized / PROFILE_AMORTIZE_FRAMES ); }
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double GetFrameTime() const { return( time_frame_amortized / PROFILE_AMORTIZE_FRAMES ); }
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#else
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int GetFrameCalls() const { return( calls_frame_last ); }
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double GetFrameTime() const { return( time_frame_last ); }
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#endif
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const CProfileNode* GetChild( const char* name ) const;
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const CProfileNode* GetScriptChild( const char* name ) const;
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const std::vector<CProfileNode*>* GetChildren() const { return( &children ); }
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const std::vector<CProfileNode*>* GetScriptChildren() const { return( &script_children ); }
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bool CanExpand();
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CProfileNode* GetChild( const char* name );
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CProfileNode* GetScriptChild( const char* name );
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CProfileNode* GetParent() const { return( parent ); }
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// Resets timing information for this node and all its children
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void Reset();
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// Resets frame timings for this node and all its children
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void Frame();
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// Enters the node
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void Call();
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// Leaves the node. Returns true if the node has actually been left
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bool Return();
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// Javascript stuff...
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static void ScriptingInit();
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jsval JS_GetName(JSContext*) { return( ToJSVal( CStrW( name ) ) ); }
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};
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class CProfileManager : public Singleton<CProfileManager>
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{
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CProfileNode* root;
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CProfileNode* current;
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double start;
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double frame_start;
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std::map<CStr8, const char*> m_internedStrings;
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public:
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CProfileManager();
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~CProfileManager();
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// Begins timing for a named subsection
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void Start( const char* name );
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void StartScript( const char* name );
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// Ends timing for the current subsection
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void Stop();
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// Resets all timing information
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void Reset();
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// Resets frame timing information
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void Frame();
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// Resets absolutely everything
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void StructuralReset();
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const char* InternString( CStr8 intern );
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inline const CProfileNode* GetCurrent() { return( current ); }
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inline const CProfileNode* GetRoot() { return( root ); }
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double GetTime();
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double GetFrameTime();
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};
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#define g_Profiler CProfileManager::GetSingleton()
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class CProfileSample
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{
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static std::map<CStrW, char*> evMap;
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public:
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CProfileSample( const char* name )
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{
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g_Profiler.Start( name );
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}
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~CProfileSample()
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{
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g_Profiler.Stop();
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}
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};
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// Put a PROFILE( xyz ) block at the start of all code to be profiled.
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// Profile blocks last until the end of the containing scope.
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#define PROFILE( name ) CProfileSample __profile( name )
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// Cheat a bit to make things slightly easier on the user
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#define PROFILE_START( name ) { CProfileSample __profile( name )
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#define PROFILE_END( name ) }
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#endif // PROFILE_H_INCLUDED
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