llfasttimer.h

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#ifndef LL_LLFASTTIMER_H
#define LL_LLFASTTIMER_H

#define FAST_TIMER_ON 1

U64 get_cpu_clock_count();

class LLFastTimer
{
public:
        enum EFastTimerType
        {
                // high level
                FTM_FRAME,
                FTM_UPDATE,
                FTM_RENDER,
                FTM_SWAP,
                FTM_CLIENT_COPY,
                FTM_IDLE,
                FTM_SLEEP,

                // common messaging components
                FTM_PUMP,
                FTM_CURL,
                
                // common simulation components
                FTM_UPDATE_ANIMATION,
                FTM_UPDATE_TERRAIN,
                FTM_UPDATE_PRIMITIVES,
                FTM_UPDATE_PARTICLES,
                FTM_SIMULATE_PARTICLES,
                FTM_UPDATE_SKY,
                FTM_UPDATE_TEXTURES,
                FTM_UPDATE_WATER,
                FTM_UPDATE_CLOUDS,
                FTM_UPDATE_GRASS,
                FTM_UPDATE_TREE,
                FTM_UPDATE_AVATAR,
                
                // common render components
                FTM_RENDER_GEOMETRY,
                 FTM_RENDER_TERRAIN,
                 FTM_RENDER_SIMPLE,
                 FTM_RENDER_FULLBRIGHT,
                 FTM_RENDER_GLOW,
                 FTM_RENDER_GRASS,
                 FTM_RENDER_INVISIBLE,
                 FTM_RENDER_SHINY,
                 FTM_RENDER_BUMP,
                 FTM_RENDER_TREES,
                 FTM_RENDER_CHARACTERS,
                 FTM_RENDER_OCCLUSION,
                 FTM_RENDER_ALPHA,
         FTM_RENDER_CLOUDS,
                 FTM_RENDER_HUD,
                 FTM_RENDER_PARTICLES,
                 FTM_RENDER_WATER,
                FTM_RENDER_TIMER,
                FTM_RENDER_UI,
                FTM_RENDER_FONTS,
                
                // newview specific
                FTM_MESSAGES,
                FTM_REBUILD,
                FTM_STATESORT,
                FTM_STATESORT_DRAWABLE,
                FTM_STATESORT_POSTSORT,
                FTM_REBUILD_VBO,
                FTM_REBUILD_VOLUME_VB,
                FTM_REBUILD_BRIDGE_VB,
                FTM_REBUILD_HUD_VB,
                FTM_REBUILD_TERRAIN_VB,
                FTM_REBUILD_WATER_VB,
                FTM_REBUILD_TREE_VB,
                FTM_REBUILD_PARTICLE_VB,
                FTM_REBUILD_CLOUD_VB,
                FTM_REBUILD_GRASS_VB,
                FTM_REBUILD_NONE_VB,
                FTM_REBUILD_OCCLUSION_VB,
                FTM_POOLS,
                FTM_POOLRENDER,
                FTM_IDLE_CB,
                FTM_WORLD_UPDATE,
                FTM_UPDATE_MOVE,
                FTM_OCTREE_BALANCE,
                FTM_UPDATE_LIGHTS,
                FTM_CULL,
                FTM_CULL_REBOUND,
                FTM_FRUSTUM_CULL,
                FTM_GEO_UPDATE,
                FTM_GEO_RESERVE,
                FTM_GEO_LIGHT,
                FTM_GEO_SHADOW,
                FTM_GEN_VOLUME,
                FTM_GEN_TRIANGLES,
                FTM_GEN_FLEX,
                FTM_AUDIO_UPDATE,
                FTM_RESET_DRAWORDER,
                FTM_OBJECTLIST_UPDATE,
                FTM_AVATAR_UPDATE,
                FTM_JOINT_UPDATE,
                FTM_ATTACHMENT_UPDATE,
                FTM_LOD_UPDATE,
                FTM_REGION_UPDATE,
                FTM_CLEANUP,
                FTM_NETWORK,
                FTM_IDLE_NETWORK,
                FTM_CREATE_OBJECT,
                FTM_LOAD_AVATAR,
                FTM_PROCESS_MESSAGES,
                FTM_PROCESS_OBJECTS,
                FTM_PROCESS_IMAGES,
                FTM_IMAGE_UPDATE,
                FTM_IMAGE_CREATE,
                FTM_IMAGE_DECODE,
                FTM_IMAGE_MARK_DIRTY,
                FTM_PIPELINE,
                FTM_VFILE_WAIT,
                FTM_FLEXIBLE_UPDATE,
                FTM_OCCLUSION,
                FTM_OCCLUSION_READBACK,
                FTM_HUD_EFFECTS,
                FTM_HUD_UPDATE,
                FTM_INVENTORY,
                FTM_AUTO_SELECT,
                FTM_ARRANGE,
                FTM_FILTER,
                FTM_REFRESH,
                FTM_SORT,
                
                // Temp
                FTM_TEMP1,
                FTM_TEMP2,
                FTM_TEMP3,
                FTM_TEMP4,
                FTM_TEMP5,
                FTM_TEMP6,
                FTM_TEMP7,
                FTM_TEMP8,
                
                FTM_OTHER, // Special, used by display code
                
                FTM_NUM_TYPES
        };
        enum { FTM_HISTORY_NUM = 60 };
        enum { FTM_MAX_DEPTH = 64 };
        
public:
        LLFastTimer(EFastTimerType type)
        {
#if FAST_TIMER_ON
                mType = type;

                // These don't get counted, because they use CPU clockticks
                //gTimerBins[gCurTimerBin]++;
                //LLTimer::sNumTimerCalls++;

                U64 cpu_clocks = get_cpu_clock_count();

                sStart[sCurDepth] = cpu_clocks;
                sCurDepth++;
#endif
        };
        ~LLFastTimer()
        {
#if FAST_TIMER_ON
                U64 end,delta;
                int i;

                // These don't get counted, because they use CPU clockticks
                //gTimerBins[gCurTimerBin]++;
                //LLTimer::sNumTimerCalls++;
                end = get_cpu_clock_count();

                sCurDepth--;
                delta = end - sStart[sCurDepth];
                sCounter[mType] += delta;
                sCalls[mType]++;
                // Subtract delta from parents
                for (i=0; i<sCurDepth; i++)
                        sStart[i] += delta;
#endif
        }

        static void reset();
        static U64 countsPerSecond();

public:
        static int sCurDepth;
        static U64 sStart[FTM_MAX_DEPTH];
        static U64 sCounter[FTM_NUM_TYPES];
        static U64 sCalls[FTM_NUM_TYPES];
        static U64 sCountAverage[FTM_NUM_TYPES];
        static U64 sCallAverage[FTM_NUM_TYPES];
        static U64 sCountHistory[FTM_HISTORY_NUM][FTM_NUM_TYPES];
        static U64 sCallHistory[FTM_HISTORY_NUM][FTM_NUM_TYPES];
        static S32 sCurFrameIndex;
        static S32 sLastFrameIndex;
        static int sPauseHistory;
        static int sResetHistory;
        static F64 sCPUClockFrequency;
        
private:
        EFastTimerType mType;
};


#endif // LL_LLFASTTIMER_H

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