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/**
* @file llfasttimer.h
* @brief Declaration of a fast timer.
*
* Copyright (c) 2004-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLFASTTIMER_H
#define LL_LLFASTTIMER_H
#include "lltimer.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_IDLE,
FTM_SLEEP,
// common simulate components
FTM_UPDATE_ANIMATION,
FTM_UPDATE_TERRAIN,
FTM_UPDATE_PRIMITIVES,
FTM_UPDATE_PARTICLES,
FTM_UPDATE_SKY,
FTM_UPDATE_TEXTURES,
// common render components
FTM_RENDER_GEOMETRY,
FTM_RENDER_TERRAIN,
FTM_RENDER_SIMPLE,
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_POOLS,
FTM_POOLRENDER,
FTM_IDLE_CB,
FTM_WORLD_UPDATE,
FTM_UPDATE_MOVE,
FTM_OCTREE_BALANCE,
FTM_UPDATE_LIGHTS,
FTM_CULL,
FTM_CULL_REBOUND,
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_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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