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Diffstat (limited to 'indra/llcommon/llstat.cpp')
| -rw-r--r-- | indra/llcommon/llstat.cpp | 1311 |
1 files changed, 0 insertions, 1311 deletions
diff --git a/indra/llcommon/llstat.cpp b/indra/llcommon/llstat.cpp deleted file mode 100644 index b82d52797e..0000000000 --- a/indra/llcommon/llstat.cpp +++ /dev/null @@ -1,1311 +0,0 @@ -/** - * @file llstat.cpp - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#include "llstat.h" -#include "lllivefile.h" -#include "llerrorcontrol.h" -#include "llframetimer.h" -#include "timing.h" -#include "llsd.h" -#include "llsdserialize.h" -#include "llstl.h" -#include "u64.h" - - -// statics -S32 LLPerfBlock::sStatsFlags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS; // Control what is being recorded -LLPerfBlock::stat_map_t LLPerfBlock::sStatMap; // Map full path string to LLStatTime objects, tracks all active objects -std::string LLPerfBlock::sCurrentStatPath = ""; // Something like "/total_time/physics/physics step" - -//------------------------------------------------------------------------ -// Live config file to trigger stats logging -static const char STATS_CONFIG_FILE_NAME[] = "/dev/shm/simperf/simperf_proc_config.llsd"; -static const F32 STATS_CONFIG_REFRESH_RATE = 5.0; // seconds - -class LLStatsConfigFile : public LLLiveFile -{ -public: - LLStatsConfigFile() - : LLLiveFile(filename(), STATS_CONFIG_REFRESH_RATE), - mChanged(false), mStatsp(NULL) { } - - static std::string filename(); - -protected: - /* virtual */ bool loadFile(); - -public: - void init(LLPerfStats* statsp); - static LLStatsConfigFile& instance(); - // return the singleton stats config file - - bool mChanged; - -protected: - LLPerfStats* mStatsp; -}; - -std::string LLStatsConfigFile::filename() -{ - return STATS_CONFIG_FILE_NAME; -} - -void LLStatsConfigFile::init(LLPerfStats* statsp) -{ - mStatsp = statsp; -} - -LLStatsConfigFile& LLStatsConfigFile::instance() -{ - static LLStatsConfigFile the_file; - return the_file; -} - - -/* virtual */ -// Load and parse the stats configuration file -bool LLStatsConfigFile::loadFile() -{ - if (!mStatsp) - { - llwarns << "Tries to load performance configure file without initializing LPerfStats" << llendl; - return false; - } - mChanged = true; - - LLSD stats_config; - { - llifstream file(filename().c_str()); - if (file.is_open()) - { - LLSDSerialize::fromXML(stats_config, file); - if (stats_config.isUndefined()) - { - llinfos << "Performance statistics configuration file ill-formed, not recording statistics" << llendl; - mStatsp->setReportPerformanceDuration( 0.f ); - return false; - } - } - else - { // File went away, turn off stats if it was on - if ( mStatsp->frameStatsIsRunning() ) - { - llinfos << "Performance statistics configuration file deleted, not recording statistics" << llendl; - mStatsp->setReportPerformanceDuration( 0.f ); - } - return true; - } - } - - F32 duration = 0.f; - F32 interval = 0.f; - S32 flags = LLPerfBlock::LLSTATS_BASIC_STATS; - - const char * w = "duration"; - if (stats_config.has(w)) - { - duration = (F32)stats_config[w].asReal(); - } - w = "interval"; - if (stats_config.has(w)) - { - interval = (F32)stats_config[w].asReal(); - } - w = "flags"; - if (stats_config.has(w)) - { - flags = (S32)stats_config[w].asInteger(); - if (flags == LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS && - duration > 0) - { // No flags passed in, but have a duration, so reset to basic stats - flags = LLPerfBlock::LLSTATS_BASIC_STATS; - } - } - - mStatsp->setReportPerformanceDuration( duration, flags ); - mStatsp->setReportPerformanceInterval( interval ); - - if ( duration > 0 ) - { - if ( interval == 0.f ) - { - llinfos << "Recording performance stats every frame for " << duration << " sec" << llendl; - } - else - { - llinfos << "Recording performance stats every " << interval << " seconds for " << duration << " seconds" << llendl; - } - } - else - { - llinfos << "Performance stats recording turned off" << llendl; - } - return true; -} - - -//------------------------------------------------------------------------ - -LLPerfStats::LLPerfStats(const std::string& process_name, S32 process_pid) : - mFrameStatsFileFailure(FALSE), - mSkipFirstFrameStats(FALSE), - mProcessName(process_name), - mProcessPID(process_pid), - mReportPerformanceStatInterval(1.f), - mReportPerformanceStatEnd(0.0) -{ } - -LLPerfStats::~LLPerfStats() -{ - LLPerfBlock::clearDynamicStats(); - mFrameStatsFile.close(); -} - -void LLPerfStats::init() -{ - // Initialize the stats config file instance. - (void) LLStatsConfigFile::instance().init(this); - (void) LLStatsConfigFile::instance().checkAndReload(); -} - -// Open file for statistics -void LLPerfStats::openPerfStatsFile() -{ - if ( !mFrameStatsFile - && !mFrameStatsFileFailure ) - { - std::string stats_file = llformat("/dev/shm/simperf/%s_proc.%d.llsd", mProcessName.c_str(), mProcessPID); - mFrameStatsFile.close(); - mFrameStatsFile.clear(); - mFrameStatsFile.open(stats_file, llofstream::out); - if ( mFrameStatsFile.fail() ) - { - llinfos << "Error opening statistics log file " << stats_file << llendl; - mFrameStatsFileFailure = TRUE; - } - else - { - LLSD process_info = LLSD::emptyMap(); - process_info["name"] = mProcessName; - process_info["pid"] = (LLSD::Integer) mProcessPID; - process_info["stat_rate"] = (LLSD::Integer) mReportPerformanceStatInterval; - // Add process-specific info. - addProcessHeaderInfo(process_info); - - mFrameStatsFile << LLSDNotationStreamer(process_info) << std::endl; - } - } -} - -// Dump out performance metrics over some time interval -void LLPerfStats::dumpIntervalPerformanceStats() -{ - // Ensure output file is OK - openPerfStatsFile(); - - if ( mFrameStatsFile ) - { - LLSD stats = LLSD::emptyMap(); - - LLStatAccum::TimeScale scale; - if ( getReportPerformanceInterval() == 0.f ) - { - scale = LLStatAccum::SCALE_PER_FRAME; - } - else if ( getReportPerformanceInterval() < 0.5f ) - { - scale = LLStatAccum::SCALE_100MS; - } - else - { - scale = LLStatAccum::SCALE_SECOND; - } - - // Write LLSD into log - stats["utc_time"] = (LLSD::String) LLError::utcTime(); - stats["timestamp"] = U64_to_str((totalTime() / 1000) + (gUTCOffset * 1000)); // milliseconds since epoch - stats["frame_number"] = (LLSD::Integer) LLFrameTimer::getFrameCount(); - - // Add process-specific frame info. - addProcessFrameInfo(stats, scale); - LLPerfBlock::addStatsToLLSDandReset( stats, scale ); - - mFrameStatsFile << LLSDNotationStreamer(stats) << std::endl; - } -} - -// Set length of performance stat recording. -// If turning stats on, caller must provide flags -void LLPerfStats::setReportPerformanceDuration( F32 seconds, S32 flags /* = LLSTATS_NO_OPTIONAL_STATS */ ) -{ - if ( seconds <= 0.f ) - { - mReportPerformanceStatEnd = 0.0; - LLPerfBlock::setStatsFlags(LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS); // Make sure all recording is off - mFrameStatsFile.close(); - LLPerfBlock::clearDynamicStats(); - } - else - { - mReportPerformanceStatEnd = LLFrameTimer::getElapsedSeconds() + ((F64) seconds); - // Clear failure flag to try and create the log file once - mFrameStatsFileFailure = FALSE; - mSkipFirstFrameStats = TRUE; // Skip the first report (at the end of this frame) - LLPerfBlock::setStatsFlags(flags); - } -} - -void LLPerfStats::updatePerFrameStats() -{ - (void) LLStatsConfigFile::instance().checkAndReload(); - static LLFrameTimer performance_stats_timer; - if ( frameStatsIsRunning() ) - { - if ( mReportPerformanceStatInterval == 0 ) - { // Record info every frame - if ( mSkipFirstFrameStats ) - { // Skip the first time - was started this frame - mSkipFirstFrameStats = FALSE; - } - else - { - dumpIntervalPerformanceStats(); - } - } - else - { - performance_stats_timer.setTimerExpirySec( getReportPerformanceInterval() ); - if (performance_stats_timer.checkExpirationAndReset( mReportPerformanceStatInterval )) - { - dumpIntervalPerformanceStats(); - } - } - - if ( LLFrameTimer::getElapsedSeconds() > mReportPerformanceStatEnd ) - { // Reached end of time, clear it to stop reporting - setReportPerformanceDuration(0.f); // Don't set mReportPerformanceStatEnd directly - llinfos << "Recording performance stats completed" << llendl; - } - } -} - - -//------------------------------------------------------------------------ - -U64 LLStatAccum::sScaleTimes[NUM_SCALES] = -{ - USEC_PER_SEC / 10, // 100 millisec - USEC_PER_SEC * 1, // seconds - USEC_PER_SEC * 60, // minutes -#if ENABLE_LONG_TIME_STATS - // enable these when more time scales are desired - USEC_PER_SEC * 60*60, // hours - USEC_PER_SEC * 24*60*60, // days - USEC_PER_SEC * 7*24*60*60, // weeks -#endif -}; - - - -LLStatAccum::LLStatAccum(bool useFrameTimer) - : mUseFrameTimer(useFrameTimer), - mRunning(FALSE), - mLastTime(0), - mLastSampleValue(0.0), - mLastSampleValid(FALSE) -{ -} - -LLStatAccum::~LLStatAccum() -{ -} - - - -void LLStatAccum::reset(U64 when) -{ - mRunning = TRUE; - mLastTime = when; - - for (int i = 0; i < NUM_SCALES; ++i) - { - mBuckets[i].accum = 0.0; - mBuckets[i].endTime = when + sScaleTimes[i]; - mBuckets[i].lastValid = false; - } -} - -void LLStatAccum::sum(F64 value) -{ - sum(value, getCurrentUsecs()); -} - -void LLStatAccum::sum(F64 value, U64 when) -{ - if (!mRunning) - { - reset(when); - return; - } - if (when < mLastTime) - { - // This happens a LOT on some dual core systems. - lldebugs << "LLStatAccum::sum clock has gone backwards from " - << mLastTime << " to " << when << ", resetting" << llendl; - - reset(when); - return; - } - - // how long is this value for - U64 timeSpan = when - mLastTime; - - for (int i = 0; i < NUM_SCALES; ++i) - { - Bucket& bucket = mBuckets[i]; - - if (when < bucket.endTime) - { - bucket.accum += value; - } - else - { - U64 timeScale = sScaleTimes[i]; - - U64 timeLeft = when - bucket.endTime; - // how much time is left after filling this bucket - - if (timeLeft < timeScale) - { - F64 valueLeft = value * timeLeft / timeSpan; - - bucket.lastValid = true; - bucket.lastAccum = bucket.accum + (value - valueLeft); - bucket.accum = valueLeft; - bucket.endTime += timeScale; - } - else - { - U64 timeTail = timeLeft % timeScale; - - bucket.lastValid = true; - bucket.lastAccum = value * timeScale / timeSpan; - bucket.accum = value * timeTail / timeSpan; - bucket.endTime += (timeLeft - timeTail) + timeScale; - } - } - } - - mLastTime = when; -} - - -F32 LLStatAccum::meanValue(TimeScale scale) const -{ - if (!mRunning) - { - return 0.0; - } - if ( scale == SCALE_PER_FRAME ) - { // Per-frame not supported here - scale = SCALE_100MS; - } - - if (scale < 0 || scale >= NUM_SCALES) - { - llwarns << "llStatAccum::meanValue called for unsupported scale: " - << scale << llendl; - return 0.0; - } - - const Bucket& bucket = mBuckets[scale]; - - F64 value = bucket.accum; - U64 timeLeft = bucket.endTime - mLastTime; - U64 scaleTime = sScaleTimes[scale]; - - if (bucket.lastValid) - { - value += bucket.lastAccum * timeLeft / scaleTime; - } - else if (timeLeft < scaleTime) - { - value *= scaleTime / (scaleTime - timeLeft); - } - else - { - value = 0.0; - } - - return (F32)(value / scaleTime); -} - - -U64 LLStatAccum::getCurrentUsecs() const -{ - if (mUseFrameTimer) - { - return LLFrameTimer::getTotalTime(); - } - else - { - return totalTime(); - } -} - - -// ------------------------------------------------------------------------ - -LLStatRate::LLStatRate(bool use_frame_timer) - : LLStatAccum(use_frame_timer) -{ -} - -void LLStatRate::count(U32 value) -{ - sum((F64)value * sScaleTimes[SCALE_SECOND]); -} - - -void LLStatRate::mark() - { - // Effectively the same as count(1), but sets mLastSampleValue - U64 when = getCurrentUsecs(); - - if ( mRunning - && (when > mLastTime) ) - { // Set mLastSampleValue to the time from the last mark() - F64 duration = ((F64)(when - mLastTime)) / sScaleTimes[SCALE_SECOND]; - if ( duration > 0.0 ) - { - mLastSampleValue = 1.0 / duration; - } - else - { - mLastSampleValue = 0.0; - } - } - - sum( (F64) sScaleTimes[SCALE_SECOND], when); - } - - -// ------------------------------------------------------------------------ - - -LLStatMeasure::LLStatMeasure(bool use_frame_timer) - : LLStatAccum(use_frame_timer) -{ -} - -void LLStatMeasure::sample(F64 value) -{ - U64 when = getCurrentUsecs(); - - if (mLastSampleValid) - { - F64 avgValue = (value + mLastSampleValue) / 2.0; - F64 interval = (F64)(when - mLastTime); - - sum(avgValue * interval, when); - } - else - { - reset(when); - } - - mLastSampleValid = TRUE; - mLastSampleValue = value; -} - - -// ------------------------------------------------------------------------ - -LLStatTime::LLStatTime(const std::string & key) - : LLStatAccum(false), - mFrameNumber(LLFrameTimer::getFrameCount()), - mTotalTimeInFrame(0), - mKey(key) -#if LL_DEBUG - , mRunning(FALSE) -#endif -{ -} - -void LLStatTime::start() -{ - // Reset frame accumluation if the frame number has changed - U32 frame_number = LLFrameTimer::getFrameCount(); - if ( frame_number != mFrameNumber ) - { - mFrameNumber = frame_number; - mTotalTimeInFrame = 0; - } - - sum(0.0); - -#if LL_DEBUG - // Shouldn't be running already - llassert( !mRunning ); - mRunning = TRUE; -#endif -} - -void LLStatTime::stop() -{ - U64 end_time = getCurrentUsecs(); - U64 duration = end_time - mLastTime; - sum(F64(duration), end_time); - //llinfos << "mTotalTimeInFrame incremented from " << mTotalTimeInFrame << " to " << (mTotalTimeInFrame + duration) << llendl; - mTotalTimeInFrame += duration; - -#if LL_DEBUG - mRunning = FALSE; -#endif -} - -/* virtual */ F32 LLStatTime::meanValue(TimeScale scale) const -{ - if ( LLStatAccum::SCALE_PER_FRAME == scale ) - { - return (F32)mTotalTimeInFrame; - } - else - { - return LLStatAccum::meanValue(scale); - } -} - - -// ------------------------------------------------------------------------ - - -// Use this constructor for pre-defined LLStatTime objects -LLPerfBlock::LLPerfBlock(LLStatTime* stat ) : mPredefinedStat(stat), mDynamicStat(NULL) -{ - if (mPredefinedStat) - { - // If dynamic stats are turned on, this will create a separate entry in the stat map. - initDynamicStat(mPredefinedStat->mKey); - - // Start predefined stats. These stats are not part of the stat map. - mPredefinedStat->start(); - } -} - -// Use this constructor for normal, optional LLPerfBlock time slices -LLPerfBlock::LLPerfBlock( const char* key ) : mPredefinedStat(NULL), mDynamicStat(NULL) -{ - if ((sStatsFlags & LLSTATS_BASIC_STATS) == 0) - { // These are off unless the base set is enabled - return; - } - - initDynamicStat(key); -} - - -// Use this constructor for dynamically created LLPerfBlock time slices -// that are only enabled by specific control flags -LLPerfBlock::LLPerfBlock( const char* key1, const char* key2, S32 flags ) : mPredefinedStat(NULL), mDynamicStat(NULL) -{ - if ((sStatsFlags & flags) == 0) - { - return; - } - - if (NULL == key2 || strlen(key2) == 0) - { - initDynamicStat(key1); - } - else - { - std::ostringstream key; - key << key1 << "_" << key2; - initDynamicStat(key.str()); - } -} - -// Set up the result data map if dynamic stats are enabled -void LLPerfBlock::initDynamicStat(const std::string& key) -{ - // Early exit if dynamic stats aren't enabled. - if (sStatsFlags == LLSTATS_NO_OPTIONAL_STATS) - return; - - mLastPath = sCurrentStatPath; // Save and restore current path - sCurrentStatPath += "/" + key; // Add key to current path - - // See if the LLStatTime object already exists - stat_map_t::iterator iter = sStatMap.find(sCurrentStatPath); - if ( iter == sStatMap.end() ) - { - // StatEntry object doesn't exist, so create it - mDynamicStat = new StatEntry( key ); - sStatMap[ sCurrentStatPath ] = mDynamicStat; // Set the entry for this path - } - else - { - // Found this path in the map, use the object there - mDynamicStat = (*iter).second; // Get StatEntry for the current path - } - - if (mDynamicStat) - { - mDynamicStat->mStat.start(); - mDynamicStat->mCount++; - } - else - { - llwarns << "Initialized NULL dynamic stat at '" << sCurrentStatPath << "'" << llendl; - sCurrentStatPath = mLastPath; - } -} - - -// Destructor does the time accounting -LLPerfBlock::~LLPerfBlock() -{ - if (mPredefinedStat) mPredefinedStat->stop(); - if (mDynamicStat) - { - mDynamicStat->mStat.stop(); - sCurrentStatPath = mLastPath; // Restore the path in case sStatsEnabled changed during this block - } -} - - -// Clear the map of any dynamic stats. Static routine -void LLPerfBlock::clearDynamicStats() -{ - std::for_each(sStatMap.begin(), sStatMap.end(), DeletePairedPointer()); - sStatMap.clear(); -} - -// static - Extract the stat info into LLSD -void LLPerfBlock::addStatsToLLSDandReset( LLSD & stats, - LLStatAccum::TimeScale scale ) -{ - // If we aren't in per-frame scale, we need to go from second to microsecond. - U32 scale_adjustment = 1; - if (LLStatAccum::SCALE_PER_FRAME != scale) - { - scale_adjustment = USEC_PER_SEC; - } - stat_map_t::iterator iter = sStatMap.begin(); - for ( ; iter != sStatMap.end(); ++iter ) - { // Put the entry into LLSD "/full/path/to/stat/" = microsecond total time - const std::string & stats_full_path = (*iter).first; - - StatEntry * stat = (*iter).second; - if (stat) - { - if (stat->mCount > 0) - { - stats[stats_full_path] = LLSD::emptyMap(); - stats[stats_full_path]["us"] = (LLSD::Integer) (scale_adjustment * stat->mStat.meanValue(scale)); - if (stat->mCount > 1) - { - stats[stats_full_path]["count"] = (LLSD::Integer) stat->mCount; - } - stat->mCount = 0; - } - } - else - { // Shouldn't have a NULL pointer in the map. - llwarns << "Unexpected NULL dynamic stat at '" << stats_full_path << "'" << llendl; - } - } -} - - -// ------------------------------------------------------------------------ - -LLTimer LLStat::sTimer; -LLFrameTimer LLStat::sFrameTimer; - -void LLStat::init() -{ - llassert(mNumBins > 0); - mNumValues = 0; - mLastValue = 0.f; - mLastTime = 0.f; - mCurBin = (mNumBins-1); - mNextBin = 0; - mBins = new F32[mNumBins]; - mBeginTime = new F64[mNumBins]; - mTime = new F64[mNumBins]; - mDT = new F32[mNumBins]; - for (U32 i = 0; i < mNumBins; i++) - { - mBins[i] = 0.f; - mBeginTime[i] = 0.0; - mTime[i] = 0.0; - mDT[i] = 0.f; - } - - if (!mName.empty()) - { - stat_map_t::iterator iter = getStatList().find(mName); - if (iter != getStatList().end()) - llwarns << "LLStat with duplicate name: " << mName << llendl; - getStatList().insert(std::make_pair(mName, this)); - } -} - -LLStat::stat_map_t& LLStat::getStatList() -{ - static LLStat::stat_map_t stat_list; - return stat_list; -} - -LLStat::LLStat(const U32 num_bins, const BOOL use_frame_timer) - : mUseFrameTimer(use_frame_timer), - mNumBins(num_bins) -{ - init(); -} - -LLStat::LLStat(std::string name, U32 num_bins, BOOL use_frame_timer) - : mUseFrameTimer(use_frame_timer), - mNumBins(num_bins), - mName(name) -{ - init(); -} - -LLStat::~LLStat() -{ - delete[] mBins; - delete[] mBeginTime; - delete[] mTime; - delete[] mDT; - - if (!mName.empty()) - { - // handle multiple entries with the same name - stat_map_t::iterator iter = getStatList().find(mName); - while (iter != getStatList().end() && iter->second != this) - ++iter; - getStatList().erase(iter); - } -} - -void LLStat::reset() -{ - U32 i; - - mNumValues = 0; - mLastValue = 0.f; - mCurBin = (mNumBins-1); - delete[] mBins; - delete[] mBeginTime; - delete[] mTime; - delete[] mDT; - mBins = new F32[mNumBins]; - mBeginTime = new F64[mNumBins]; - mTime = new F64[mNumBins]; - mDT = new F32[mNumBins]; - for (i = 0; i < mNumBins; i++) - { - mBins[i] = 0.f; - mBeginTime[i] = 0.0; - mTime[i] = 0.0; - mDT[i] = 0.f; - } -} - -void LLStat::setBeginTime(const F64 time) -{ - mBeginTime[mNextBin] = time; -} - -void LLStat::addValueTime(const F64 time, const F32 value) -{ - if (mNumValues < mNumBins) - { - mNumValues++; - } - - // Increment the bin counters. - mCurBin++; - if ((U32)mCurBin == mNumBins) - { - mCurBin = 0; - } - mNextBin++; - if ((U32)mNextBin == mNumBins) - { - mNextBin = 0; - } - - mBins[mCurBin] = value; - mTime[mCurBin] = time; - mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]); - //this value is used to prime the min/max calls - mLastTime = mTime[mCurBin]; - mLastValue = value; - - // Set the begin time for the next stat segment. - mBeginTime[mNextBin] = mTime[mCurBin]; - mTime[mNextBin] = mTime[mCurBin]; - mDT[mNextBin] = 0.f; -} - -void LLStat::start() -{ - if (mUseFrameTimer) - { - mBeginTime[mNextBin] = sFrameTimer.getElapsedSeconds(); - } - else - { - mBeginTime[mNextBin] = sTimer.getElapsedTimeF64(); - } -} - -void LLStat::addValue(const F32 value) -{ - if (mNumValues < mNumBins) - { - mNumValues++; - } - - // Increment the bin counters. - mCurBin++; - if ((U32)mCurBin == mNumBins) - { - mCurBin = 0; - } - mNextBin++; - if ((U32)mNextBin == mNumBins) - { - mNextBin = 0; - } - - mBins[mCurBin] = value; - if (mUseFrameTimer) - { - mTime[mCurBin] = sFrameTimer.getElapsedSeconds(); - } - else - { - mTime[mCurBin] = sTimer.getElapsedTimeF64(); - } - mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]); - - //this value is used to prime the min/max calls - mLastTime = mTime[mCurBin]; - mLastValue = value; - - // Set the begin time for the next stat segment. - mBeginTime[mNextBin] = mTime[mCurBin]; - mTime[mNextBin] = mTime[mCurBin]; - mDT[mNextBin] = 0.f; -} - - -F32 LLStat::getMax() const -{ - U32 i; - F32 current_max = mLastValue; - if (mNumBins == 0) - { - current_max = 0.f; - } - else - { - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - if (mBins[i] > current_max) - { - current_max = mBins[i]; - } - } - } - return current_max; -} - -F32 LLStat::getMean() const -{ - U32 i; - F32 current_mean = 0.f; - U32 samples = 0; - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - current_mean += mBins[i]; - samples++; - } - - // There will be a wrap error at 2^32. :) - if (samples != 0) - { - current_mean /= samples; - } - else - { - current_mean = 0.f; - } - return current_mean; -} - -F32 LLStat::getMin() const -{ - U32 i; - F32 current_min = mLastValue; - - if (mNumBins == 0) - { - current_min = 0.f; - } - else - { - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - if (mBins[i] < current_min) - { - current_min = mBins[i]; - } - } - } - return current_min; -} - -F32 LLStat::getSum() const -{ - U32 i; - F32 sum = 0.f; - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - sum += mBins[i]; - } - - return sum; -} - -F32 LLStat::getSumDuration() const -{ - U32 i; - F32 sum = 0.f; - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - sum += mDT[i]; - } - - return sum; -} - -F32 LLStat::getPrev(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - return mBins[bin]; -} - -F32 LLStat::getPrevPerSec(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - return mBins[bin] / mDT[bin]; -} - -F64 LLStat::getPrevBeginTime(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - - return mBeginTime[bin]; -} - -F64 LLStat::getPrevTime(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - - return mTime[bin]; -} - -F32 LLStat::getBin(S32 bin) const -{ - return mBins[bin]; -} - -F32 LLStat::getBinPerSec(S32 bin) const -{ - return mBins[bin] / mDT[bin]; -} - -F64 LLStat::getBinBeginTime(S32 bin) const -{ - return mBeginTime[bin]; -} - -F64 LLStat::getBinTime(S32 bin) const -{ - return mTime[bin]; -} - -F32 LLStat::getCurrent() const -{ - return mBins[mCurBin]; -} - -F32 LLStat::getCurrentPerSec() const -{ - return mBins[mCurBin] / mDT[mCurBin]; -} - -F64 LLStat::getCurrentBeginTime() const -{ - return mBeginTime[mCurBin]; -} - -F64 LLStat::getCurrentTime() const -{ - return mTime[mCurBin]; -} - -F32 LLStat::getCurrentDuration() const -{ - return mDT[mCurBin]; -} - -F32 LLStat::getMeanPerSec() const -{ - U32 i; - F32 value = 0.f; - F32 dt = 0.f; - - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - value += mBins[i]; - dt += mDT[i]; - } - - if (dt > 0.f) - { - return value/dt; - } - else - { - return 0.f; - } -} - -F32 LLStat::getMeanDuration() const -{ - F32 dur = 0.0f; - U32 count = 0; - for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++) - { - if (i == (U32)mNextBin) - { - continue; - } - dur += mDT[i]; - count++; - } - - if (count > 0) - { - dur /= F32(count); - return dur; - } - else - { - return 0.f; - } -} - -F32 LLStat::getMaxPerSec() const -{ - U32 i; - F32 value; - - if (mNextBin != 0) - { - value = mBins[0]/mDT[0]; - } - else if (mNumValues > 0) - { - value = mBins[1]/mDT[1]; - } - else - { - value = 0.f; - } - - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - value = llmax(value, mBins[i]/mDT[i]); - } - return value; -} - -F32 LLStat::getMinPerSec() const -{ - U32 i; - F32 value; - - if (mNextBin != 0) - { - value = mBins[0]/mDT[0]; - } - else if (mNumValues > 0) - { - value = mBins[1]/mDT[1]; - } - else - { - value = 0.f; - } - - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == (U32)mNextBin) - { - continue; - } - value = llmin(value, mBins[i]/mDT[i]); - } - return value; -} - -F32 LLStat::getMinDuration() const -{ - F32 dur = 0.0f; - for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++) - { - dur = llmin(dur, mDT[i]); - } - return dur; -} - -U32 LLStat::getNumValues() const -{ - return mNumValues; -} - -S32 LLStat::getNumBins() const -{ - return mNumBins; -} - -S32 LLStat::getCurBin() const -{ - return mCurBin; -} - -S32 LLStat::getNextBin() const -{ - return mNextBin; -} - -F64 LLStat::getLastTime() const -{ - return mLastTime; -} |