diff options
Diffstat (limited to 'indra/llcommon/llstat.h')
| -rw-r--r-- | indra/llcommon/llstat.h | 283 |
1 files changed, 23 insertions, 260 deletions
diff --git a/indra/llcommon/llstat.h b/indra/llcommon/llstat.h index 1a8404cc07..38377a010b 100644 --- a/indra/llcommon/llstat.h +++ b/indra/llcommon/llstat.h @@ -27,294 +27,46 @@ #ifndef LL_LLSTAT_H #define LL_LLSTAT_H -#include <deque> #include <map> #include "lltimer.h" #include "llframetimer.h" -#include "llfile.h" class LLSD; -// Set this if longer stats are needed -#define ENABLE_LONG_TIME_STATS 0 - -// -// Accumulates statistics for an arbitrary length of time. -// Does this by maintaining a chain of accumulators, each one -// accumulation the results of the parent. Can scale to arbitrary -// amounts of time with very low memory cost. -// - -class LL_COMMON_API LLStatAccum -{ -protected: - LLStatAccum(bool use_frame_timer); - virtual ~LLStatAccum(); - -public: - enum TimeScale { - SCALE_100MS, - SCALE_SECOND, - SCALE_MINUTE, -#if ENABLE_LONG_TIME_STATS - SCALE_HOUR, - SCALE_DAY, - SCALE_WEEK, -#endif - NUM_SCALES, // Use to size storage arrays - SCALE_PER_FRAME // For latest frame information - should be after NUM_SCALES since this doesn't go into the time buckets - }; - - static U64 sScaleTimes[NUM_SCALES]; - - virtual F32 meanValue(TimeScale scale) const; - // see the subclasses for the specific meaning of value - - F32 meanValueOverLast100ms() const { return meanValue(SCALE_100MS); } - F32 meanValueOverLastSecond() const { return meanValue(SCALE_SECOND); } - F32 meanValueOverLastMinute() const { return meanValue(SCALE_MINUTE); } - - void reset(U64 when); - - void sum(F64 value); - void sum(F64 value, U64 when); - - U64 getCurrentUsecs() const; - // Get current microseconds based on timer type - - BOOL mUseFrameTimer; - BOOL mRunning; - - U64 mLastTime; - - struct Bucket - { - Bucket() : - accum(0.0), - endTime(0), - lastValid(false), - lastAccum(0.0) - {} - - F64 accum; - U64 endTime; - - bool lastValid; - F64 lastAccum; - }; - - Bucket mBuckets[NUM_SCALES]; - - BOOL mLastSampleValid; - F64 mLastSampleValue; -}; - -class LL_COMMON_API LLStatMeasure : public LLStatAccum - // gathers statistics about things that are measured - // ex.: tempature, time dilation -{ -public: - LLStatMeasure(bool use_frame_timer = true); - - void sample(F64); - void sample(S32 v) { sample((F64)v); } - void sample(U32 v) { sample((F64)v); } - void sample(S64 v) { sample((F64)v); } - void sample(U64 v) { sample((F64)v); } -}; - - -class LL_COMMON_API LLStatRate : public LLStatAccum - // gathers statistics about things that can be counted over time - // ex.: LSL instructions executed, messages sent, simulator frames completed - // renders it in terms of rate of thing per second -{ -public: - LLStatRate(bool use_frame_timer = true); - - void count(U32); - // used to note that n items have occured - - void mark(); - // used for counting the rate thorugh a point in the code -}; - - -class LL_COMMON_API LLStatTime : public LLStatAccum - // gathers statistics about time spent in a block of code - // measure average duration per second in the block -{ -public: - LLStatTime( const std::string & key = "undefined" ); - - U32 mFrameNumber; // Current frame number - U64 mTotalTimeInFrame; // Total time (microseconds) accumulated during the last frame - - void setKey( const std::string & key ) { mKey = key; }; - - virtual F32 meanValue(TimeScale scale) const; - -private: - void start(); // Start and stop measuring time block - void stop(); - - std::string mKey; // Tag representing this time block - -#if LL_DEBUG - BOOL mRunning; // TRUE if start() has been called -#endif - - friend class LLPerfBlock; -}; - -// ---------------------------------------------------------------------------- - - -// Use this class on the stack to record statistics about an area of code -class LL_COMMON_API LLPerfBlock -{ -public: - struct StatEntry - { - StatEntry(const std::string& key) : mStat(LLStatTime(key)), mCount(0) {} - LLStatTime mStat; - U32 mCount; - }; - typedef std::map<std::string, StatEntry*> stat_map_t; - - // Use this constructor for pre-defined LLStatTime objects - LLPerfBlock(LLStatTime* stat); - - // Use this constructor for normal, optional LLPerfBlock time slices - LLPerfBlock( const char* key ); - - // Use this constructor for dynamically created LLPerfBlock time slices - // that are only enabled by specific control flags - LLPerfBlock( const char* key1, const char* key2, S32 flags = LLSTATS_BASIC_STATS ); - - ~LLPerfBlock(); - - enum - { // Stats bitfield flags - LLSTATS_NO_OPTIONAL_STATS = 0x00, // No optional stats gathering, just pre-defined LLStatTime objects - LLSTATS_BASIC_STATS = 0x01, // Gather basic optional runtime stats - LLSTATS_SCRIPT_FUNCTIONS = 0x02, // Include LSL function calls - }; - static void setStatsFlags( S32 flags ) { sStatsFlags = flags; }; - static S32 getStatsFlags() { return sStatsFlags; }; - - static void clearDynamicStats(); // Reset maps to clear out dynamic objects - static void addStatsToLLSDandReset( LLSD & stats, // Get current information and clear time bin - LLStatAccum::TimeScale scale ); - -private: - // Initialize dynamically created LLStatTime objects - void initDynamicStat(const std::string& key); - - std::string mLastPath; // Save sCurrentStatPath when this is called - LLStatTime * mPredefinedStat; // LLStatTime object to get data - StatEntry * mDynamicStat; // StatEntryobject to get data - - static S32 sStatsFlags; // Control what is being recorded - static stat_map_t sStatMap; // Map full path string to LLStatTime objects - static std::string sCurrentStatPath; // Something like "frame/physics/physics step" -}; - -// ---------------------------------------------------------------------------- - -class LL_COMMON_API LLPerfStats -{ -public: - LLPerfStats(const std::string& process_name = "unknown", S32 process_pid = 0); - virtual ~LLPerfStats(); - - virtual void init(); // Reset and start all stat timers - virtual void updatePerFrameStats(); - // Override these function to add process-specific information to the performance log header and per-frame logging. - virtual void addProcessHeaderInfo(LLSD& info) { /* not implemented */ } - virtual void addProcessFrameInfo(LLSD& info, LLStatAccum::TimeScale scale) { /* not implemented */ } - - // High-resolution frame stats - BOOL frameStatsIsRunning() { return (mReportPerformanceStatEnd > 0.); }; - F32 getReportPerformanceInterval() const { return mReportPerformanceStatInterval; }; - void setReportPerformanceInterval( F32 interval ) { mReportPerformanceStatInterval = interval; }; - void setReportPerformanceDuration( F32 seconds, S32 flags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS ); - void setProcessName(const std::string& process_name) { mProcessName = process_name; } - void setProcessPID(S32 process_pid) { mProcessPID = process_pid; } - -protected: - void openPerfStatsFile(); // Open file for high resolution metrics logging - void dumpIntervalPerformanceStats(); - - llofstream mFrameStatsFile; // File for per-frame stats - BOOL mFrameStatsFileFailure; // Flag to prevent repeat opening attempts - BOOL mSkipFirstFrameStats; // Flag to skip one (partial) frame report - std::string mProcessName; - S32 mProcessPID; - -private: - F32 mReportPerformanceStatInterval; // Seconds between performance stats - F64 mReportPerformanceStatEnd; // End time (seconds) for performance stats -}; - // ---------------------------------------------------------------------------- class LL_COMMON_API LLStat { private: typedef std::multimap<std::string, LLStat*> stat_map_t; - void init(); static stat_map_t& getStatList(); public: - LLStat(U32 num_bins = 32, BOOL use_frame_timer = FALSE); - LLStat(std::string name, U32 num_bins = 32, BOOL use_frame_timer = FALSE); + LLStat(std::string name = std::string(), S32 num_bins = 32, BOOL use_frame_timer = FALSE); ~LLStat(); - void reset(); - void start(); // Start the timer for the current "frame", otherwise uses the time tracked from // the last addValue + void reset(); void addValue(const F32 value = 1.f); // Adds the current value being tracked, and tracks the DT. void addValue(const S32 value) { addValue((F32)value); } void addValue(const U32 value) { addValue((F32)value); } - void setBeginTime(const F64 time); - void addValueTime(const F64 time, const F32 value = 1.f); - - S32 getCurBin() const; S32 getNextBin() const; - F32 getCurrent() const; - F32 getCurrentPerSec() const; - F64 getCurrentBeginTime() const; - F64 getCurrentTime() const; - F32 getCurrentDuration() const; - F32 getPrev(S32 age) const; // Age is how many "addValues" previously - zero is current F32 getPrevPerSec(S32 age) const; // Age is how many "addValues" previously - zero is current - F64 getPrevBeginTime(S32 age) const; - F64 getPrevTime(S32 age) const; - - F32 getBin(S32 bin) const; - F32 getBinPerSec(S32 bin) const; - F64 getBinBeginTime(S32 bin) const; - F64 getBinTime(S32 bin) const; - - F32 getMax() const; - F32 getMaxPerSec() const; + F32 getCurrent() const; + F32 getCurrentPerSec() const; + F32 getMin() const; + F32 getMinPerSec() const; F32 getMean() const; F32 getMeanPerSec() const; F32 getMeanDuration() const; - - F32 getMin() const; - F32 getMinPerSec() const; - F32 getMinDuration() const; - - F32 getSum() const; - F32 getSumDuration() const; + F32 getMax() const; + F32 getMaxPerSec() const; U32 getNumValues() const; S32 getNumBins() const; @@ -326,10 +78,21 @@ private: U32 mNumBins; F32 mLastValue; F64 mLastTime; - F32 *mBins; - F64 *mBeginTime; - F64 *mTime; - F32 *mDT; + + struct ValueEntry + { + ValueEntry() + : mValue(0.f), + mBeginTime(0.0), + mTime(0.0), + mDT(0.f) + {} + F32 mValue; + F64 mBeginTime; + F64 mTime; + F32 mDT; + }; + ValueEntry* mBins; S32 mCurBin; S32 mNextBin; |