751 lines
26 KiB
C++
751 lines
26 KiB
C++
/**
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* @file lltracerecording.h
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* @brief Sampling object for collecting runtime statistics originating from lltrace.
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2012, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLTRACERECORDING_H
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#define LL_LLTRACERECORDING_H
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#include "stdtypes.h"
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#include "llpreprocessor.h"
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#include "lltimer.h"
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#include "lltraceaccumulators.h"
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#include "llpointer.h"
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#include <limits>
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class LLStopWatchControlsMixinCommon
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{
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public:
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virtual ~LLStopWatchControlsMixinCommon() {}
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enum EPlayState
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{
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STOPPED,
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PAUSED,
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STARTED
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};
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void start(); // moves to started state, resetting if stopped
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void stop(); // moves to stopped state
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void pause(); // moves to paused state, unless stopped
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void unpause(); // moves to started state if paused
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void resume(); // moves to started state, without resetting
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void restart(); // moves to started state, always resetting
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void reset(); // resets
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bool isStarted() const { return mPlayState == STARTED; }
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bool isPaused() const { return mPlayState == PAUSED; }
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bool isStopped() const { return mPlayState == STOPPED; }
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EPlayState getPlayState() const { return mPlayState; }
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// force play state to specific value by calling appropriate handle* methods
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void setPlayState(EPlayState state);
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protected:
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LLStopWatchControlsMixinCommon()
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: mPlayState(STOPPED)
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{}
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private:
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// override these methods to provide started/stopped semantics
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// activate behavior (without reset)
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virtual void handleStart() = 0;
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// deactivate behavior
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virtual void handleStop() = 0;
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// clear accumulated state, may be called while started
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virtual void handleReset() = 0;
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EPlayState mPlayState;
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};
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template<typename DERIVED>
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class LLStopWatchControlsMixin
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: public LLStopWatchControlsMixinCommon
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{
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public:
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typedef LLStopWatchControlsMixin<DERIVED> self_t;
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virtual void splitTo(DERIVED& other)
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{
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EPlayState play_state = getPlayState();
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stop();
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other.reset();
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handleSplitTo(other);
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other.setPlayState(play_state);
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}
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virtual void splitFrom(DERIVED& other)
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{
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static_cast<self_t&>(other).handleSplitTo(*static_cast<DERIVED*>(this));
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}
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private:
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self_t& operator = (const self_t& other)
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{
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// don't do anything, derived class must implement logic
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}
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// atomically stop this object while starting the other
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// no data can be missed in between stop and start
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virtual void handleSplitTo(DERIVED& other) {};
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};
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namespace LLTrace
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{
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template<typename T>
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class StatType;
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template<typename T>
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class CountStatHandle;
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template<typename T>
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class SampleStatHandle;
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template<typename T>
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class EventStatHandle;
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class MemStatHandle;
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template<typename T>
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struct RelatedTypes
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{
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typedef F64 fractional_t;
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typedef T sum_t;
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};
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template<typename T, typename UNIT_T>
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struct RelatedTypes<LLUnit<T, UNIT_T> >
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{
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typedef LLUnit<typename RelatedTypes<T>::fractional_t, UNIT_T> fractional_t;
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typedef LLUnit<typename RelatedTypes<T>::sum_t, UNIT_T> sum_t;
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};
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template<>
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struct RelatedTypes<bool>
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{
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typedef F64 fractional_t;
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typedef S32 sum_t;
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};
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class Recording
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: public LLStopWatchControlsMixin<Recording>
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{
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public:
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Recording(EPlayState state = LLStopWatchControlsMixinCommon::STOPPED);
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Recording(const Recording& other);
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~Recording();
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Recording& operator = (const Recording& other);
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// accumulate data from subsequent, non-overlapping recording
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void appendRecording(Recording& other);
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// grab latest recorded data
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void update();
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// ensure that buffers are exclusively owned by this recording
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void makeUnique() { mBuffers.makeUnique(); }
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// Timer accessors
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bool hasValue(const StatType<TimeBlockAccumulator>& stat);
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F64Seconds getSum(const StatType<TimeBlockAccumulator>& stat);
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F64Seconds getSum(const StatType<TimeBlockAccumulator::SelfTimeFacet>& stat);
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S32 getSum(const StatType<TimeBlockAccumulator::CallCountFacet>& stat);
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F64Seconds getPerSec(const StatType<TimeBlockAccumulator>& stat);
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F64Seconds getPerSec(const StatType<TimeBlockAccumulator::SelfTimeFacet>& stat);
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F32 getPerSec(const StatType<TimeBlockAccumulator::CallCountFacet>& stat);
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// Memory accessors
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bool hasValue(const StatType<MemAccumulator>& stat);
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F64Kilobytes getMin(const StatType<MemAccumulator>& stat);
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F64Kilobytes getMean(const StatType<MemAccumulator>& stat);
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F64Kilobytes getMax(const StatType<MemAccumulator>& stat);
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F64Kilobytes getStandardDeviation(const StatType<MemAccumulator>& stat);
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F64Kilobytes getLastValue(const StatType<MemAccumulator>& stat);
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bool hasValue(const StatType<MemAccumulator::AllocationFacet>& stat);
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F64Kilobytes getSum(const StatType<MemAccumulator::AllocationFacet>& stat);
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F64Kilobytes getPerSec(const StatType<MemAccumulator::AllocationFacet>& stat);
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S32 getSampleCount(const StatType<MemAccumulator::AllocationFacet>& stat);
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bool hasValue(const StatType<MemAccumulator::DeallocationFacet>& stat);
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F64Kilobytes getSum(const StatType<MemAccumulator::DeallocationFacet>& stat);
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F64Kilobytes getPerSec(const StatType<MemAccumulator::DeallocationFacet>& stat);
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S32 getSampleCount(const StatType<MemAccumulator::DeallocationFacet>& stat);
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// CountStatHandle accessors
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bool hasValue(const StatType<CountAccumulator>& stat);
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F64 getSum(const StatType<CountAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::sum_t getSum(const CountStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::sum_t)getSum(static_cast<const StatType<CountAccumulator>&> (stat));
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}
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F64 getPerSec(const StatType<CountAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::fractional_t getPerSec(const CountStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::fractional_t)getPerSec(static_cast<const StatType<CountAccumulator>&> (stat));
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}
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S32 getSampleCount(const StatType<CountAccumulator>& stat);
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// SampleStatHandle accessors
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bool hasValue(const StatType<SampleAccumulator>& stat);
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F64 getMin(const StatType<SampleAccumulator>& stat);
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template <typename T>
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T getMin(const SampleStatHandle<T>& stat)
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{
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return (T)getMin(static_cast<const StatType<SampleAccumulator>&> (stat));
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}
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F64 getMax(const StatType<SampleAccumulator>& stat);
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template <typename T>
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T getMax(const SampleStatHandle<T>& stat)
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{
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return (T)getMax(static_cast<const StatType<SampleAccumulator>&> (stat));
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}
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F64 getMean(const StatType<SampleAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::fractional_t getMean(SampleStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::fractional_t)getMean(static_cast<const StatType<SampleAccumulator>&> (stat));
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}
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F64 getStandardDeviation(const StatType<SampleAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::fractional_t getStandardDeviation(const SampleStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::fractional_t)getStandardDeviation(static_cast<const StatType<SampleAccumulator>&> (stat));
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}
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F64 getLastValue(const StatType<SampleAccumulator>& stat);
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template <typename T>
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T getLastValue(const SampleStatHandle<T>& stat)
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{
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return (T)getLastValue(static_cast<const StatType<SampleAccumulator>&> (stat));
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}
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S32 getSampleCount(const StatType<SampleAccumulator>& stat);
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// EventStatHandle accessors
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bool hasValue(const StatType<EventAccumulator>& stat);
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F64 getSum(const StatType<EventAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::sum_t getSum(const EventStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::sum_t)getSum(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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F64 getMin(const StatType<EventAccumulator>& stat);
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template <typename T>
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T getMin(const EventStatHandle<T>& stat)
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{
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return (T)getMin(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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F64 getMax(const StatType<EventAccumulator>& stat);
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template <typename T>
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T getMax(const EventStatHandle<T>& stat)
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{
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return (T)getMax(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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F64 getMean(const StatType<EventAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::fractional_t getMean(EventStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::fractional_t)getMean(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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F64 getStandardDeviation(const StatType<EventAccumulator>& stat);
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template <typename T>
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typename RelatedTypes<T>::fractional_t getStandardDeviation(const EventStatHandle<T>& stat)
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{
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return (typename RelatedTypes<T>::fractional_t)getStandardDeviation(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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F64 getLastValue(const StatType<EventAccumulator>& stat);
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template <typename T>
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T getLastValue(const EventStatHandle<T>& stat)
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{
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return (T)getLastValue(static_cast<const StatType<EventAccumulator>&> (stat));
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}
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S32 getSampleCount(const StatType<EventAccumulator>& stat);
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F64Seconds getDuration() const { return mElapsedSeconds; }
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protected:
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friend class ThreadRecorder;
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// implementation for LLStopWatchControlsMixin
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/*virtual*/ void handleStart();
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/*virtual*/ void handleStop();
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/*virtual*/ void handleReset();
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/*virtual*/ void handleSplitTo(Recording& other);
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// returns data for current thread
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class ThreadRecorder* getThreadRecorder();
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LLTimer mSamplingTimer;
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F64Seconds mElapsedSeconds;
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LLCopyOnWritePointer<AccumulatorBufferGroup> mBuffers;
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AccumulatorBufferGroup* mActiveBuffers;
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};
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class LL_COMMON_API PeriodicRecording
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: public LLStopWatchControlsMixin<PeriodicRecording>
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{
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public:
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PeriodicRecording(size_t num_periods, EPlayState state = STOPPED);
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~PeriodicRecording();
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void nextPeriod();
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auto getNumRecordedPeriods()
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{
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// current period counts if not active
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return mNumRecordedPeriods + (isStarted() ? 0 : 1);
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}
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F64Seconds getDuration() const;
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void appendPeriodicRecording(PeriodicRecording& other);
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void appendRecording(Recording& recording);
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Recording& getLastRecording();
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const Recording& getLastRecording() const;
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Recording& getCurRecording();
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const Recording& getCurRecording() const;
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Recording& getPrevRecording(size_t offset);
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const Recording& getPrevRecording(size_t offset) const;
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Recording snapshotCurRecording() const;
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template <typename T>
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auto getSampleCount(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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num_periods = llmin(num_periods, getNumRecordedPeriods());
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size_t num_samples = 0;
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for (size_t i = 1; i <= num_periods; i++)
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{
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Recording& recording = getPrevRecording(i);
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num_samples += recording.getSampleCount(stat);
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}
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return num_samples;
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}
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//
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// PERIODIC MIN
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//
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// catch all for stats that have a defined sum
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template <typename T>
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typename T::value_t getPeriodMin(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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num_periods = llmin(num_periods, getNumRecordedPeriods());
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bool has_value = false;
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typename T::value_t min_val(std::numeric_limits<typename T::value_t>::max());
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for (size_t i = 1; i <= num_periods; i++)
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{
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Recording& recording = getPrevRecording(i);
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if (recording.hasValue(stat))
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{
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min_val = llmin(min_val, recording.getSum(stat));
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has_value = true;
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}
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}
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return has_value
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? min_val
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: T::getDefaultValue();
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}
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template<typename T>
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T getPeriodMin(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return T(getPeriodMin(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
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}
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F64 getPeriodMin(const StatType<SampleAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
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template<typename T>
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T getPeriodMin(const SampleStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return T(getPeriodMin(static_cast<const StatType<SampleAccumulator>&>(stat), num_periods));
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}
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F64 getPeriodMin(const StatType<EventAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
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template<typename T>
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T getPeriodMin(const EventStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return T(getPeriodMin(static_cast<const StatType<EventAccumulator>&>(stat), num_periods));
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}
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F64Kilobytes getPeriodMin(const StatType<MemAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
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F64Kilobytes getPeriodMin(const MemStatHandle& stat, size_t num_periods = std::numeric_limits<size_t>::max());
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template <typename T>
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typename RelatedTypes<typename T::value_t>::fractional_t getPeriodMinPerSec(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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num_periods = llmin(num_periods, getNumRecordedPeriods());
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typename RelatedTypes<typename T::value_t>::fractional_t min_val(std::numeric_limits<F64>::max());
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for (size_t i = 1; i <= num_periods; i++)
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{
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Recording& recording = getPrevRecording(i);
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min_val = llmin(min_val, recording.getPerSec(stat));
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}
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return (typename RelatedTypes<typename T::value_t>::fractional_t) min_val;
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}
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template<typename T>
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typename RelatedTypes<T>::fractional_t getPeriodMinPerSec(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return typename RelatedTypes<T>::fractional_t(getPeriodMinPerSec(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
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}
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//
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// PERIODIC MAX
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//
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// catch all for stats that have a defined sum
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template <typename T>
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typename T::value_t getPeriodMax(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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num_periods = llmin(num_periods, getNumRecordedPeriods());
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bool has_value = false;
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typename T::value_t max_val(std::numeric_limits<typename T::value_t>::min());
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for (size_t i = 1; i <= num_periods; i++)
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{
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Recording& recording = getPrevRecording(i);
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if (recording.hasValue(stat))
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{
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max_val = llmax(max_val, recording.getSum(stat));
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has_value = true;
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}
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}
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return has_value
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? max_val
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: T::getDefaultValue();
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}
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template<typename T>
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T getPeriodMax(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return T(getPeriodMax(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
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}
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F64 getPeriodMax(const StatType<SampleAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
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template<typename T>
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T getPeriodMax(const SampleStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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return T(getPeriodMax(static_cast<const StatType<SampleAccumulator>&>(stat), num_periods));
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}
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F64 getPeriodMax(const StatType<EventAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
template<typename T>
|
|
T getPeriodMax(const EventStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return T(getPeriodMax(static_cast<const StatType<EventAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64Kilobytes getPeriodMax(const StatType<MemAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
F64Kilobytes getPeriodMax(const MemStatHandle& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
|
|
template <typename T>
|
|
typename RelatedTypes<typename T::value_t>::fractional_t getPeriodMaxPerSec(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
num_periods = llmin(num_periods, getNumRecordedPeriods());
|
|
|
|
F64 max_val = std::numeric_limits<F64>::min();
|
|
for (size_t i = 1; i <= num_periods; i++)
|
|
{
|
|
Recording& recording = getPrevRecording(i);
|
|
max_val = llmax(max_val, recording.getPerSec(stat));
|
|
}
|
|
return (typename RelatedTypes<typename T::value_t>::fractional_t)max_val;
|
|
}
|
|
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMaxPerSec(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMaxPerSec(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
//
|
|
// PERIODIC MEAN
|
|
//
|
|
|
|
// catch all for stats that have a defined sum
|
|
template <typename T>
|
|
typename RelatedTypes<typename T::value_t>::fractional_t getPeriodMean(const StatType<T >& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
num_periods = llmin(num_periods, getNumRecordedPeriods());
|
|
|
|
typename RelatedTypes<typename T::value_t>::fractional_t mean(0);
|
|
|
|
for (size_t i = 1; i <= num_periods; i++)
|
|
{
|
|
Recording& recording = getPrevRecording(i);
|
|
if (recording.getDuration() > (F32Seconds)0.f)
|
|
{
|
|
mean += recording.getSum(stat);
|
|
}
|
|
}
|
|
return (num_periods
|
|
? typename RelatedTypes<typename T::value_t>::fractional_t(mean / num_periods)
|
|
: typename RelatedTypes<typename T::value_t>::fractional_t(NaN));
|
|
}
|
|
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMean(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMean(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
|
|
}
|
|
F64 getPeriodMean(const StatType<SampleAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMean(const SampleStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMean(static_cast<const StatType<SampleAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64 getPeriodMean(const StatType<EventAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMean(const EventStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMean(static_cast<const StatType<EventAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64Kilobytes getPeriodMean(const StatType<MemAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
F64Kilobytes getPeriodMean(const MemStatHandle& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
|
|
template <typename T>
|
|
typename RelatedTypes<typename T::value_t>::fractional_t getPeriodMeanPerSec(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
num_periods = llmin(num_periods, getNumRecordedPeriods());
|
|
|
|
typename RelatedTypes<typename T::value_t>::fractional_t mean = 0;
|
|
|
|
for (size_t i = 1; i <= num_periods; i++)
|
|
{
|
|
Recording& recording = getPrevRecording(i);
|
|
if (recording.getDuration() > (F32Seconds)0.f)
|
|
{
|
|
mean += recording.getPerSec(stat);
|
|
}
|
|
}
|
|
|
|
return (num_periods
|
|
? typename RelatedTypes<typename T::value_t>::fractional_t(mean / num_periods)
|
|
: typename RelatedTypes<typename T::value_t>::fractional_t(NaN));
|
|
}
|
|
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMeanPerSec(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMeanPerSec(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64 getPeriodMedian( const StatType<SampleAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
|
|
template <typename T>
|
|
typename RelatedTypes<typename T::value_t>::fractional_t getPeriodMedianPerSec(const StatType<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
num_periods = llmin(num_periods, getNumRecordedPeriods());
|
|
|
|
std::vector <typename RelatedTypes<typename T::value_t>::fractional_t> buf;
|
|
for (size_t i = 1; i <= num_periods; i++)
|
|
{
|
|
Recording& recording = getPrevRecording(i);
|
|
if (recording.getDuration() > (F32Seconds)0.f)
|
|
{
|
|
buf.push_back(recording.getPerSec(stat));
|
|
}
|
|
}
|
|
std::sort(buf.begin(), buf.end());
|
|
|
|
return typename RelatedTypes<T>::fractional_t((buf.size() % 2 == 0) ? (buf[buf.size() / 2 - 1] + buf[buf.size() / 2]) / 2 : buf[buf.size() / 2]);
|
|
}
|
|
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodMedianPerSec(const CountStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodMedianPerSec(static_cast<const StatType<CountAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
//
|
|
// PERIODIC STANDARD DEVIATION
|
|
//
|
|
|
|
F64 getPeriodStandardDeviation(const StatType<SampleAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodStandardDeviation(const SampleStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodStandardDeviation(static_cast<const StatType<SampleAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64 getPeriodStandardDeviation(const StatType<EventAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
template<typename T>
|
|
typename RelatedTypes<T>::fractional_t getPeriodStandardDeviation(const EventStatHandle<T>& stat, size_t num_periods = std::numeric_limits<size_t>::max())
|
|
{
|
|
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
|
|
return typename RelatedTypes<T>::fractional_t(getPeriodStandardDeviation(static_cast<const StatType<EventAccumulator>&>(stat), num_periods));
|
|
}
|
|
|
|
F64Kilobytes getPeriodStandardDeviation(const StatType<MemAccumulator>& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
F64Kilobytes getPeriodStandardDeviation(const MemStatHandle& stat, size_t num_periods = std::numeric_limits<size_t>::max());
|
|
|
|
private:
|
|
// implementation for LLStopWatchControlsMixin
|
|
/*virtual*/ void handleStart();
|
|
/*virtual*/ void handleStop();
|
|
/*virtual*/ void handleReset();
|
|
/*virtual*/ void handleSplitTo(PeriodicRecording& other);
|
|
|
|
// helper methods for wraparound ring-buffer arithmetic
|
|
inline
|
|
size_t wrapi(size_t i) const
|
|
{
|
|
return i % mRecordingPeriods.size();
|
|
}
|
|
|
|
inline
|
|
size_t nexti(size_t i, size_t offset=1) const
|
|
{
|
|
return wrapi(i + offset);
|
|
}
|
|
|
|
inline
|
|
size_t previ(size_t i, size_t offset=1) const
|
|
{
|
|
auto num_periods = mRecordingPeriods.size();
|
|
// constrain offset
|
|
offset = llclamp(offset, 0, num_periods - 1);
|
|
// add size() so expression can't go (unsigned) "negative"
|
|
return wrapi(i + num_periods - offset);
|
|
}
|
|
|
|
inline
|
|
void inci(size_t& i, size_t offset=1) const
|
|
{
|
|
i = nexti(i, offset);
|
|
}
|
|
|
|
private:
|
|
std::vector<Recording> mRecordingPeriods;
|
|
const bool mAutoResize;
|
|
size_t mCurPeriod;
|
|
size_t mNumRecordedPeriods;
|
|
};
|
|
|
|
PeriodicRecording& get_frame_recording();
|
|
|
|
class ExtendableRecording
|
|
: public LLStopWatchControlsMixin<ExtendableRecording>
|
|
{
|
|
public:
|
|
void extend();
|
|
|
|
Recording& getAcceptedRecording() { return mAcceptedRecording; }
|
|
const Recording& getAcceptedRecording() const {return mAcceptedRecording;}
|
|
|
|
Recording& getPotentialRecording() { return mPotentialRecording; }
|
|
const Recording& getPotentialRecording() const { return mPotentialRecording;}
|
|
|
|
private:
|
|
// implementation for LLStopWatchControlsMixin
|
|
/*virtual*/ void handleStart();
|
|
/*virtual*/ void handleStop();
|
|
/*virtual*/ void handleReset();
|
|
/*virtual*/ void handleSplitTo(ExtendableRecording& other);
|
|
|
|
private:
|
|
Recording mAcceptedRecording;
|
|
Recording mPotentialRecording;
|
|
};
|
|
|
|
class ExtendablePeriodicRecording
|
|
: public LLStopWatchControlsMixin<ExtendablePeriodicRecording>
|
|
{
|
|
public:
|
|
ExtendablePeriodicRecording();
|
|
void extend();
|
|
|
|
PeriodicRecording& getResults() { return mAcceptedRecording; }
|
|
const PeriodicRecording& getResults() const {return mAcceptedRecording;}
|
|
|
|
void nextPeriod() { mPotentialRecording.nextPeriod(); }
|
|
|
|
private:
|
|
// implementation for LLStopWatchControlsMixin
|
|
/*virtual*/ void handleStart();
|
|
/*virtual*/ void handleStop();
|
|
/*virtual*/ void handleReset();
|
|
/*virtual*/ void handleSplitTo(ExtendablePeriodicRecording& other);
|
|
|
|
private:
|
|
PeriodicRecording mAcceptedRecording;
|
|
PeriodicRecording mPotentialRecording;
|
|
};
|
|
}
|
|
|
|
#endif // LL_LLTRACERECORDING_H
|