Automated merge with http://bitbucket.org/lindenlab/viewer-development

1 files changed, 410 insertions, 0 deletions

diff --git a/indra/llcommon/lltracerecording.h b/indra/llcommon/lltracerecording.h
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+/** 
+ * @file lltracerecording.h
+ * @brief Sampling object for collecting runtime statistics originating from lltrace.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTRACERECORDING_H
+#define LL_LLTRACERECORDING_H
+
+#include "stdtypes.h"
+#include "llpreprocessor.h"
+
+#include "llpointer.h"
+#include "lltimer.h"
+#include "lltrace.h"
+
+class LLStopWatchControlsMixinCommon
+{
+public:
+	virtual ~LLStopWatchControlsMixinCommon() {}
+
+	enum EStopWatchState
+	{
+		STOPPED,
+		PAUSED,
+		STARTED
+	};
+
+	virtual void start();
+	virtual void stop();
+	virtual void pause();
+	virtual void resume();
+	virtual void restart();
+	virtual void reset();
+
+	bool isStarted() const { return mState == STARTED; }
+	bool isPaused() const  { return mState == PAUSED; }
+	bool isStopped() const { return mState == STOPPED; }
+	EStopWatchState getPlayState() const { return mState; }
+
+protected:
+	LLStopWatchControlsMixinCommon()
+	:	mState(STOPPED)
+	{}
+
+	// derived classes can call this from their copy constructor in order
+	// to duplicate play state of source
+	void initTo(EStopWatchState state);
+private:
+	// trigger active behavior (without reset)
+	virtual void handleStart(){};
+	// stop active behavior
+	virtual void handleStop(){};
+	// clear accumulated state, can be called while started
+	virtual void handleReset(){};
+
+	EStopWatchState mState;
+};
+
+template<typename DERIVED>
+class LLStopWatchControlsMixin
+:	public LLStopWatchControlsMixinCommon
+{
+public:
+	typedef LLStopWatchControlsMixin<DERIVED> self_t;
+	virtual void splitTo(DERIVED& other)
+	{
+		handleSplitTo(other);
+	}
+
+	virtual void splitFrom(DERIVED& other)
+	{
+		static_cast<self_t&>(other).handleSplitTo(*static_cast<DERIVED*>(this));
+	}
+private:
+	// atomically stop this object while starting the other
+	// no data can be missed in between stop and start
+	virtual void handleSplitTo(DERIVED& other) {};
+
+};
+
+namespace LLTrace
+{
+	class Recording : public LLStopWatchControlsMixin<Recording>
+	{
+	public:
+		Recording();
+
+		Recording(const Recording& other);
+		~Recording();
+
+		void makePrimary();
+		bool isPrimary() const;
+
+		void makeUnique();
+
+		// accumulate data from subsequent, non-overlapping recording
+		void appendRecording(const Recording& other);
+
+		// gather data from recording, ignoring time relationship (for example, pulling data from slave threads)
+		void mergeRecording(const Recording& other);
+
+		void update();
+
+		// Timer accessors
+		LLUnit<LLUnits::Seconds, F64> getSum(const TraceType<TimeBlockAccumulator>& stat) const;
+		LLUnit<LLUnits::Seconds, F64> getSum(const TraceType<TimeBlockAccumulator::SelfTimeAspect>& stat) const;
+		U32 getSum(const TraceType<TimeBlockAccumulator::CallCountAspect>& stat) const;
+
+		LLUnit<LLUnits::Seconds, F64> getPerSec(const TraceType<TimeBlockAccumulator>& stat) const;
+		LLUnit<LLUnits::Seconds, F64> getPerSec(const TraceType<TimeBlockAccumulator::SelfTimeAspect>& stat) const;
+		F32 getPerSec(const TraceType<TimeBlockAccumulator::CallCountAspect>& stat) const;
+
+		// Memory accessors
+		LLUnit<LLUnits::Bytes, U32> getSum(const TraceType<MemStatAccumulator>& stat) const;
+		LLUnit<LLUnits::Bytes, F32> getPerSec(const TraceType<MemStatAccumulator>& stat) const;
+
+		// Count accessors
+		F64 getSum(const TraceType<CountAccumulator<F64> >& stat) const;
+		S64 getSum(const TraceType<CountAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getSum(const Count<T>& stat) const
+		{
+			return (T)getSum(static_cast<const TraceType<CountAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getPerSec(const TraceType<CountAccumulator<F64> >& stat) const;
+		F64 getPerSec(const TraceType<CountAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getPerSec(const Count<T>& stat) const
+		{
+			return (T)getPerSec(static_cast<const TraceType<CountAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		U32 getSampleCount(const TraceType<CountAccumulator<F64> >& stat) const;
+		U32 getSampleCount(const TraceType<CountAccumulator<S64> >& stat) const;
+
+
+		// Measurement accessors
+		F64 getSum(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getSum(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getSum(const Measurement<T>& stat) const
+		{
+			return (T)getSum(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getPerSec(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getPerSec(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getPerSec(const Measurement<T>& stat) const
+		{
+			return (T)getPerSec(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMin(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getMin(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMin(const Measurement<T>& stat) const
+		{
+			return (T)getMin(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMax(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getMax(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMax(const Measurement<T>& stat) const
+		{
+			return (T)getMax(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMean(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getMean(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMean(Measurement<T>& stat) const
+		{
+			return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getStandardDeviation(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getStandardDeviation(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getStandardDeviation(const Measurement<T>& stat) const
+		{
+			return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getLastValue(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getLastValue(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getLastValue(const Measurement<T>& stat) const
+		{
+			return (T)getLastValue(static_cast<const TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		U32 getSampleCount(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		U32 getSampleCount(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+
+		LLUnit<LLUnits::Seconds, F64> getDuration() const { return LLUnit<LLUnits::Seconds, F64>(mElapsedSeconds); }
+
+	private:
+		friend class ThreadRecorder;
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void handleStart();
+		/*virtual*/ void handleStop();
+		/*virtual*/ void handleReset();
+		/*virtual*/ void handleSplitTo(Recording& other);
+
+		// returns data for current thread
+		class ThreadRecorder* getThreadRecorder(); 
+
+		LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<F64> > >		mCountsFloat;
+		LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<F64> > >	mMeasurementsFloat;
+		LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<S64> > >		mCounts;
+		LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<S64> > >	mMeasurements;
+		LLCopyOnWritePointer<AccumulatorBuffer<TimeBlockAccumulator> >			mStackTimers;
+		LLCopyOnWritePointer<AccumulatorBuffer<MemStatAccumulator> >			mMemStats;
+
+		LLTimer			mSamplingTimer;
+		F64				mElapsedSeconds;
+	};
+
+	class LL_COMMON_API PeriodicRecording
+	:	public LLStopWatchControlsMixin<PeriodicRecording>
+	{
+	public:
+		PeriodicRecording(S32 num_periods, EStopWatchState state = STOPPED);
+		PeriodicRecording(PeriodicRecording& recording);
+		~PeriodicRecording();
+
+		void nextPeriod();
+		S32 getNumPeriods() { return mNumPeriods; }
+
+		Recording& getLastRecordingPeriod()
+		{
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - 1) % mNumPeriods];
+		}
+
+		const Recording& getLastRecordingPeriod() const
+		{
+			return getPrevRecordingPeriod(1);
+		}
+
+		Recording& getCurRecordingPeriod()
+		{
+			return mRecordingPeriods[mCurPeriod];
+		}
+
+		const Recording& getCurRecordingPeriod() const
+		{
+			return mRecordingPeriods[mCurPeriod];
+		}
+
+		Recording& getPrevRecordingPeriod(S32 offset)
+		{
+			offset = llclamp(offset, 0, mNumPeriods - 1);
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
+		}
+
+		const Recording& getPrevRecordingPeriod(S32 offset) const
+		{
+			offset = llclamp(offset, 0, mNumPeriods - 1);
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
+		}
+
+		Recording snapshotCurRecordingPeriod() const
+		{
+			Recording recording_copy(getCurRecordingPeriod());
+			recording_copy.stop();
+			return recording_copy;
+		}
+
+		Recording& getTotalRecording();
+
+		template <typename T>
+		typename T::value_t getPeriodMin(const TraceType<T>& stat) const
+		{
+			typename T::value_t min_val = (std::numeric_limits<typename T::value_t>::max)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				min_val = llmin(min_val, mRecordingPeriods[i].getSum(stat));
+			}
+			return min_val;
+		}
+
+		template <typename T>
+		F64 getPeriodMinPerSec(const TraceType<T>& stat) const
+		{
+			F64 min_val = (std::numeric_limits<F64>::max)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				min_val = llmin(min_val, mRecordingPeriods[i].getPerSec(stat));
+			}
+			return min_val;
+		}
+
+		template <typename T>
+		typename T::value_t getPeriodMax(const TraceType<T>& stat) const
+		{
+			typename T::value_t max_val = (std::numeric_limits<typename T::value_t>::min)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				max_val = llmax(max_val, mRecordingPeriods[i].getSum(stat));
+			}
+			return max_val;
+		}
+
+		template <typename T>
+		F64 getPeriodMaxPerSec(const TraceType<T>& stat) const
+		{
+			F64 max_val = (std::numeric_limits<F64>::min)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				max_val = llmax(max_val, mRecordingPeriods[i].getPerSec(stat));
+			}
+			return max_val;
+		}
+
+		template <typename T>
+		typename TraceType<T>::mean_t getPeriodMean(const TraceType<T>& stat) const
+		{
+			typename TraceType<T>::mean_t mean = 0.0;
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				if (mRecordingPeriods[i].getDuration() > 0.f)
+				{
+					mean += mRecordingPeriods[i].getSum(stat);
+				}
+			}
+			mean /= mNumPeriods;
+			return mean;
+		}
+
+		template <typename T>
+		typename TraceType<T>::mean_t getPeriodMeanPerSec(const TraceType<T>& stat) const
+		{
+			typename TraceType<T>::mean_t mean = 0.0;
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				if (mRecordingPeriods[i].getDuration() > 0.f)
+				{
+					mean += mRecordingPeriods[i].getPerSec(stat);
+				}
+			}
+			mean /= mNumPeriods;
+			return mean;
+		}
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void start();
+		/*virtual*/ void stop();
+		/*virtual*/ void pause();
+		/*virtual*/ void resume();
+		/*virtual*/ void restart();
+		/*virtual*/ void reset();
+		/*virtual*/ void splitTo(PeriodicRecording& other);
+		/*virtual*/ void splitFrom(PeriodicRecording& other);
+
+	private:
+		Recording*	mRecordingPeriods;
+		Recording	mTotalRecording;
+		bool		mTotalValid;
+		S32			mNumPeriods,
+					mCurPeriod;
+	};
+
+	PeriodicRecording& get_frame_recording();
+
+	class ExtendableRecording
+	:	public LLStopWatchControlsMixin<ExtendableRecording>
+	{
+		void extend();
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void start();
+		/*virtual*/ void stop();
+		/*virtual*/ void pause();
+		/*virtual*/ void resume();
+		/*virtual*/ void restart();
+		/*virtual*/ void reset();
+		/*virtual*/ void splitTo(ExtendableRecording& other);
+		/*virtual*/ void splitFrom(ExtendableRecording& other);
+	private:
+		Recording mAcceptedRecording;
+		Recording mPotentialRecording;
+	};
+}
+
+#endif // LL_LLTRACERECORDING_H