diff options
Diffstat (limited to 'indra/llcommon/lltrace.h')
| -rw-r--r-- | indra/llcommon/lltrace.h | 127 |
1 files changed, 40 insertions, 87 deletions
diff --git a/indra/llcommon/lltrace.h b/indra/llcommon/lltrace.h index a443735e69..c6f920b5e4 100644 --- a/indra/llcommon/lltrace.h +++ b/indra/llcommon/lltrace.h @@ -43,14 +43,16 @@ namespace LLTrace { + class Sampler; + void init(); void cleanup(); - class MasterThreadTrace& getMasterThreadTrace(); + class LL_COMMON_API MasterThreadTrace& getMasterThreadTrace(); // one per thread per type template<typename ACCUMULATOR> - class AccumulatorBuffer + class LL_COMMON_API AccumulatorBuffer { static const U32 DEFAULT_ACCUMULATOR_BUFFER_SIZE = 64; private: @@ -64,6 +66,8 @@ namespace LLTrace public: + // copying an accumulator buffer does not copy the actual contents, but simply initializes the buffer size + // to be identical to the other buffer AccumulatorBuffer(const AccumulatorBuffer& other = getDefaultBuffer()) : mStorageSize(other.mStorageSize), mStorage(new ACCUMULATOR[other.mStorageSize]), @@ -150,28 +154,30 @@ namespace LLTrace template<typename ACCUMULATOR> LLThreadLocalPtr<ACCUMULATOR> AccumulatorBuffer<ACCUMULATOR>::sPrimaryStorage; template<typename ACCUMULATOR> - class Trace + class LL_COMMON_API TraceType { public: - Trace(const std::string& name) + TraceType(const std::string& name) : mName(name) { mAccumulatorIndex = AccumulatorBuffer<ACCUMULATOR>::getDefaultBuffer().reserveSlot(); } - LL_FORCE_INLINE ACCUMULATOR& getAccumulator() + LL_FORCE_INLINE ACCUMULATOR& getPrimaryAccumulator() { return AccumulatorBuffer<ACCUMULATOR>::getPrimaryStorage()[mAccumulatorIndex]; } - private: + ACCUMULATOR& getAccumulator(AccumulatorBuffer<ACCUMULATOR>& buffer) { return buffer[mAccumulatorIndex]; } + + protected: std::string mName; size_t mAccumulatorIndex; }; template<typename T> - class StatAccumulator + class LL_COMMON_API StatAccumulator { public: StatAccumulator() @@ -217,6 +223,11 @@ namespace LLTrace mMax = 0; } + T getSum() { return mSum; } + T getMin() { return mMin; } + T getMax() { return mMax; } + T getMean() { return mSum / (T)mNumSamples; } + private: T mSum, mMin, @@ -226,20 +237,23 @@ namespace LLTrace }; template <typename T> - class Stat : public Trace<StatAccumulator<T> > + class LL_COMMON_API Stat + : public TraceType<StatAccumulator<T> >, + public LLInstanceTracker<Stat<T>, std::string> { public: Stat(const std::string& name) - : Trace(name) + : TraceType(name), + LLInstanceTracker(name) {} void sample(T value) { - getAccumulator().sample(value); + getPrimaryAccumulator().sample(value); } }; - struct TimerAccumulator + struct LL_COMMON_API TimerAccumulator { U32 mTotalTimeCounter, mChildTimeCounter, @@ -267,11 +281,11 @@ namespace LLTrace }; - class BlockTimer : public Trace<TimerAccumulator> + class LL_COMMON_API BlockTimer : public TraceType<TimerAccumulator> { public: BlockTimer(const char* name) - : Trace(name) + : TraceType(name) {} struct Recorder @@ -287,7 +301,7 @@ namespace LLTrace : mLastRecorder(sCurRecorder) { mStartTime = getCPUClockCount32(); - TimerAccumulator* accumulator = &block_timer.getAccumulator(); // get per-thread accumulator + TimerAccumulator* accumulator = &block_timer.getPrimaryAccumulator(); // get per-thread accumulator accumulator->mActiveCount++; accumulator->mCalls++; accumulator->mMoveUpTree |= (accumulator->mParent->mActiveCount == 0); @@ -353,44 +367,7 @@ namespace LLTrace static Recorder::StackEntry sCurRecorder; }; - class Sampler - { - public: - ~Sampler(); - - void makePrimary(); - - void start(); - void stop(); - void resume(); - - void mergeFrom(const Sampler* other); - - void reset(); - - bool isStarted() { return mIsStarted; } - - private: - friend class ThreadTrace; - Sampler(class ThreadTrace* thread_trace); - - // no copy - Sampler(const Sampler& other) {} - // returns data for current thread - class ThreadTrace* getThreadTrace(); - - AccumulatorBuffer<StatAccumulator<F32> > mF32Stats; - AccumulatorBuffer<StatAccumulator<S32> > mS32Stats; - - AccumulatorBuffer<TimerAccumulator> mStackTimers; - - bool mIsStarted; - LLTimer mSamplingTimer; - F64 mElapsedSeconds; - ThreadTrace* mThreadTrace; - }; - - class ThreadTrace + class LL_COMMON_API ThreadTrace { public: ThreadTrace(); @@ -406,13 +383,13 @@ namespace LLTrace virtual void pushToMaster() = 0; - Sampler* getPrimarySampler() { return mPrimarySampler; } + Sampler* getPrimarySampler(); protected: Sampler* mPrimarySampler; std::list<Sampler*> mActiveSamplers; }; - class MasterThreadTrace : public ThreadTrace + class LL_COMMON_API MasterThreadTrace : public ThreadTrace { public: MasterThreadTrace(); @@ -433,14 +410,17 @@ namespace LLTrace ~SlaveThreadTraceProxy(); class SlaveThreadTrace* mSlaveTrace; Sampler* mSamplerStorage; + private: + //no need to copy these and then have to duplicate the storage + SlaveThreadTraceProxy(const SlaveThreadTraceProxy& other) {} }; - typedef std::list<SlaveThreadTraceProxy> slave_thread_trace_list_t; + typedef std::list<SlaveThreadTraceProxy*> slave_thread_trace_list_t; slave_thread_trace_list_t mSlaveThreadTraces; LLMutex mSlaveListMutex; }; - class SlaveThreadTrace : public ThreadTrace + class LL_COMMON_API SlaveThreadTrace : public ThreadTrace { public: SlaveThreadTrace(); @@ -457,31 +437,12 @@ namespace LLTrace { public: explicit - SharedData(Sampler* sampler) - : mSampler(sampler) - { - } + SharedData(Sampler* sampler); - ~SharedData() - { - delete mSampler; - } + ~SharedData(); - void copyFrom(Sampler* source) - { - LLMutexLock lock(&mSamplerMutex); - { - mSampler->mergeFrom(source); - } - } - - void copyTo(Sampler* sink) - { - LLMutexLock lock(&mSamplerMutex); - { - sink->mergeFrom(mSampler); - } - } + void copyFrom(Sampler* source); + void copyTo(Sampler* sink); private: // add a cache line's worth of unused space to avoid any potential of false sharing LLMutex mSamplerMutex; @@ -489,14 +450,6 @@ namespace LLTrace }; SharedData mSharedData; }; - - class TimeInterval - { - public: - void start() {} - void stop() {} - void resume() {} - }; } #endif // LL_LLTRACE_H |