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Diffstat (limited to 'indra/llcommon/llfasttimer_class.h')
-rw-r--r-- | indra/llcommon/llfasttimer_class.h | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/indra/llcommon/llfasttimer_class.h b/indra/llcommon/llfasttimer_class.h deleted file mode 100644 index ddb1a74793..0000000000 --- a/indra/llcommon/llfasttimer_class.h +++ /dev/null @@ -1,272 +0,0 @@ -/** - * @file llfasttimer_class.h - * @brief Declaration of a fast timer. - * - * $LicenseInfo:firstyear=2004&license=viewergpl$ - * - * Copyright (c) 2004-2009, Linden Research, Inc. - * - * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 - * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception - * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. - * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. - * $/LicenseInfo$ - */ - -#ifndef LL_FASTTIMER_CLASS_H -#define LL_FASTTIMER_CLASS_H - -#include "llinstancetracker.h" - -#define FAST_TIMER_ON 1 -#define TIME_FAST_TIMERS 0 - -class LLMutex; - -#include <queue> -#include "llsd.h" - -class LL_COMMON_API LLFastTimer -{ -public: - class NamedTimer; - - struct LL_COMMON_API FrameState - { - FrameState(NamedTimer* timerp); - - U32 mSelfTimeCounter; - U32 mCalls; - FrameState* mParent; // info for caller timer - FrameState* mLastCaller; // used to bootstrap tree construction - NamedTimer* mTimer; - U16 mActiveCount; // number of timers with this ID active on stack - bool mMoveUpTree; // needs to be moved up the tree of timers at the end of frame - }; - - // stores a "named" timer instance to be reused via multiple LLFastTimer stack instances - class LL_COMMON_API NamedTimer - : public LLInstanceTracker<NamedTimer> - { - friend class DeclareTimer; - public: - ~NamedTimer(); - - enum { HISTORY_NUM = 60 }; - - const std::string& getName() const { return mName; } - NamedTimer* getParent() const { return mParent; } - void setParent(NamedTimer* parent); - S32 getDepth(); - std::string getToolTip(S32 history_index = -1); - - typedef std::vector<NamedTimer*>::const_iterator child_const_iter; - child_const_iter beginChildren(); - child_const_iter endChildren(); - std::vector<NamedTimer*>& getChildren(); - - void setCollapsed(bool collapsed) { mCollapsed = collapsed; } - bool getCollapsed() const { return mCollapsed; } - - U32 getCountAverage() const { return mCountAverage; } - U32 getCallAverage() const { return mCallAverage; } - - U32 getHistoricalCount(S32 history_index = 0) const; - U32 getHistoricalCalls(S32 history_index = 0) const; - - static NamedTimer& getRootNamedTimer(); - - S32 getFrameStateIndex() const { return mFrameStateIndex; } - - FrameState& getFrameState() const; - - private: - friend class LLFastTimer; - friend class NamedTimerFactory; - - // - // methods - // - NamedTimer(const std::string& name); - // recursive call to gather total time from children - static void accumulateTimings(); - - // updates cumulative times and hierarchy, - // can be called multiple times in a frame, at any point - static void processTimes(); - - static void buildHierarchy(); - static void resetFrame(); - static void reset(); - - // - // members - // - S32 mFrameStateIndex; - - std::string mName; - - U32 mTotalTimeCounter; - - U32 mCountAverage; - U32 mCallAverage; - - U32* mCountHistory; - U32* mCallHistory; - - // tree structure - NamedTimer* mParent; // NamedTimer of caller(parent) - std::vector<NamedTimer*> mChildren; - bool mCollapsed; // don't show children - bool mNeedsSorting; // sort children whenever child added - }; - - // used to statically declare a new named timer - class LL_COMMON_API DeclareTimer - : public LLInstanceTracker<DeclareTimer> - { - friend class LLFastTimer; - public: - DeclareTimer(const std::string& name, bool open); - DeclareTimer(const std::string& name); - - static void updateCachedPointers(); - - private: - NamedTimer& mTimer; - FrameState* mFrameState; - }; - -public: - LLFastTimer(LLFastTimer::FrameState* state); - - LL_FORCE_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer) - : mFrameState(timer.mFrameState) - { -#if TIME_FAST_TIMERS - U64 timer_start = getCPUClockCount64(); -#endif -#if FAST_TIMER_ON - LLFastTimer::FrameState* frame_state = mFrameState; - mStartTime = getCPUClockCount32(); - - frame_state->mActiveCount++; - frame_state->mCalls++; - // keep current parent as long as it is active when we are - frame_state->mMoveUpTree |= (frame_state->mParent->mActiveCount == 0); - - LLFastTimer::CurTimerData* cur_timer_data = &LLFastTimer::sCurTimerData; - mLastTimerData = *cur_timer_data; - cur_timer_data->mCurTimer = this; - cur_timer_data->mFrameState = frame_state; - cur_timer_data->mChildTime = 0; -#endif -#if TIME_FAST_TIMERS - U64 timer_end = getCPUClockCount64(); - sTimerCycles += timer_end - timer_start; -#endif - } - - LL_FORCE_INLINE ~LLFastTimer() - { -#if TIME_FAST_TIMERS - U64 timer_start = getCPUClockCount64(); -#endif -#if FAST_TIMER_ON - LLFastTimer::FrameState* frame_state = mFrameState; - U32 total_time = getCPUClockCount32() - mStartTime; - - frame_state->mSelfTimeCounter += total_time - LLFastTimer::sCurTimerData.mChildTime; - frame_state->mActiveCount--; - - // store last caller to bootstrap tree creation - // do this in the destructor in case of recursion to get topmost caller - frame_state->mLastCaller = mLastTimerData.mFrameState; - - // we are only tracking self time, so subtract our total time delta from parents - mLastTimerData.mChildTime += total_time; - - LLFastTimer::sCurTimerData = mLastTimerData; -#endif -#if TIME_FAST_TIMERS - U64 timer_end = getCPUClockCount64(); - sTimerCycles += timer_end - timer_start; - sTimerCalls++; -#endif - } - -public: - static LLMutex* sLogLock; - static std::queue<LLSD> sLogQueue; - static BOOL sLog; - static BOOL sMetricLog; - static bool sPauseHistory; - static bool sResetHistory; - static U64 sTimerCycles; - static U32 sTimerCalls; - - typedef std::vector<FrameState> info_list_t; - static info_list_t& getFrameStateList(); - - - // call this once a frame to reset timers - static void nextFrame(); - - // dumps current cumulative frame stats to log - // call nextFrame() to reset timers - static void dumpCurTimes(); - - // call this to reset timer hierarchy, averages, etc. - static void reset(); - - static U64 countsPerSecond(); - static S32 getLastFrameIndex() { return sLastFrameIndex; } - static S32 getCurFrameIndex() { return sCurFrameIndex; } - - static void writeLog(std::ostream& os); - static const NamedTimer* getTimerByName(const std::string& name); - - struct CurTimerData - { - LLFastTimer* mCurTimer; - FrameState* mFrameState; - U32 mChildTime; - }; - static CurTimerData sCurTimerData; - -private: - static U32 getCPUClockCount32(); - static U64 getCPUClockCount64(); - static U64 sClockResolution; - - static S32 sCurFrameIndex; - static S32 sLastFrameIndex; - static U64 sLastFrameTime; - static info_list_t* sTimerInfos; - - U32 mStartTime; - LLFastTimer::FrameState* mFrameState; - LLFastTimer::CurTimerData mLastTimerData; - -}; - -typedef class LLFastTimer LLFastTimer; - -#endif // LL_LLFASTTIMER_CLASS_H |