Perf Namespace Reference

Functions
void	init ()
void	nextFrame ()
void	selectWorstFrame ()
int	getTime (const size_t frameId, const size_t counterId)
int	getWorstTime (const size_t counterId)

Function Documentation

getTime()

int Perf::getTime	(	const size_t	frameId,
		const size_t	counterId
	)

Definition at line 111 of file perfstat.cpp.

    {
        const PerfStats &perf = perfStats[frameId];
        const int val1 = perf.ticks[0];
        const int val2 = perf.ticks[counterId];
        if (val2 >= val1)
            return val2 - val1;
        return val1 - val2;
    }

References perfStats, and PerfStats::ticks.

Referenced by StatDebugTab::action(), StatDebugTab::logic(), and selectWorstFrame().

getWorstTime()

int Perf::getWorstTime

(

const size_t

counterId

)

Definition at line 122 of file perfstat.cpp.

    {
        const int val1 = worstFrameStats.ticks[0];
        const int val2 = worstFrameStats.ticks[counterId];
        if (val2 >= val1)
            return val2 - val1;
        return val1 - val2;
    }

References PerfStats::ticks, and worstFrameStats.

Referenced by StatDebugTab::action(), and StatDebugTab::logic().

init()

void Perf::init

(

)

Definition at line 41 of file perfstat.cpp.

    {
        logger->log("perf stats init");
        worstTime = -1;
        perfFrameId = 0;
        prevPerfFrameId = 0;
        for (size_t f = 0; f < PERFSTAT_LAST_STAT; f ++)
        {
            worstFrameStats.ticks[f] = 0;
        }
        for (size_t f = 0; f < PERFSTAT_MAX; f ++)
        {
            PerfStats &perf = perfStats[f];
            for (size_t d = 0; d < PERFSTAT_LAST_STAT; d ++)
            {
                perf.ticks[d] = 0;
            }
        }
        skipPerfFrames = 0;
    }

References Logger::log(), logger, perfFrameId, PERFSTAT_LAST_STAT, PERFSTAT_MAX, perfStats, prevPerfFrameId, skipPerfFrames, PerfStats::ticks, worstFrameStats, and worstTime.

Referenced by StatDebugTab::action(), and Game::changeMap().

nextFrame()

void Perf::nextFrame

(

)

Definition at line 62 of file perfstat.cpp.

    {
        if (skipPerfFrames > 0)
        {
            skipPerfFrames --;
//            logger->log("skip frames: %d", skipPerfFrames);
            return;
        }
        else if (skipPerfFrames < 0)
        {
            return;
        }
        prevPerfFrameId = perfFrameId;
        perfFrameId ++;
        if (perfFrameId >= PERFSTAT_MAX)
        {
            perfFrameId = 0;
            selectWorstFrame();
        }
        perfFrame = &perfStats[perfFrameId].ticks[0];
    }

References perfFrame, perfFrameId, PERFSTAT_MAX, perfStats, prevPerfFrameId, selectWorstFrame(), skipPerfFrames, and PerfStats::ticks.

selectWorstFrame()

void Perf::selectWorstFrame

(

)

Definition at line 84 of file perfstat.cpp.

    {
        int time = worstTime;
        int index = -1;
        for (size_t f = 0; f < PERFSTAT_MAX; f ++)
        {
            if (f == perfFrameId)
                continue;
            const int time1 = Perf::getTime(f, PERFSTAT_FPS_STAT - 1);
            if (time1 > time)
            {
                time = time1;
                index = CAST_S32(f);
            }
        }
        if (index >= 0)
        {
            worstFrameStats = perfStats[index];
            logger->log("worst frame: %d, %d",
                perfStats[index].ticks[PERFSTAT_FPS_STAT - 1] -
                perfStats[index].ticks[0],
                worstFrameStats.ticks[PERFSTAT_FPS_STAT - 1] -
                worstFrameStats.ticks[0]);
            worstTime = time;
        }
    }

References CAST_S32, getTime(), Logger::log(), logger, perfFrameId, PERFSTAT_FPS_STAT, PERFSTAT_MAX, perfStats, PerfStats::ticks, worstFrameStats, and worstTime.

Referenced by nextFrame().