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Diffstat (limited to 'indra/llcommon/llfasttimer.h')
| -rw-r--r-- | indra/llcommon/llfasttimer.h | 456 |
1 files changed, 135 insertions, 321 deletions
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h index 612068b202..4ff93a553c 100644 --- a/indra/llcommon/llfasttimer.h +++ b/indra/llcommon/llfasttimer.h @@ -1,352 +1,166 @@ -/** +/** * @file llfasttimer.h - * @brief Declaration of a fast timer. + * @brief Inline implementations of fast timers. * - * $LicenseInfo:firstyear=2004&license=viewergpl$ - * - * Copyright (c) 2004-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2004&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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_FASTTIMER_H #define LL_FASTTIMER_H -#include "llinstancetracker.h" - -#define FAST_TIMER_ON 1 - -U64 get_cpu_clock_count(); - -class LLMutex; - -#include <queue> -#include "llsd.h" - - -class LLFastTimer +// pull in the actual class definition +#include "llfasttimer_class.h" + +// +// Important note: These implementations must be FAST! +// + +#if LL_WINDOWS +// +// Windows implementation of CPU clock +// + +// +// NOTE: put back in when we aren't using platform sdk anymore +// +// because MS has different signatures for these functions in winnt.h +// need to rename them to avoid conflicts +//#define _interlockedbittestandset _renamed_interlockedbittestandset +//#define _interlockedbittestandreset _renamed_interlockedbittestandreset +//#include <intrin.h> +//#undef _interlockedbittestandset +//#undef _interlockedbittestandreset + +//inline U32 LLFastTimer::getCPUClockCount32() +//{ +// U64 time_stamp = __rdtsc(); +// return (U32)(time_stamp >> 8); +//} +// +//// return full timer value, *not* shifted by 8 bits +//inline U64 LLFastTimer::getCPUClockCount64() +//{ +// return __rdtsc(); +//} + +// shift off lower 8 bits for lower resolution but longer term timing +// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing +inline U32 LLFastTimer::getCPUClockCount32() { -public: - // stores a "named" timer instance to be reused via multiple LLFastTimer stack instances - class NamedTimer - : public LLInstanceTracker<NamedTimer> + U32 ret_val; + __asm { - public: - ~NamedTimer(); - - enum { HISTORY_NUM = 60 }; - - const std::string& getName() { return mName; } - NamedTimer* getParent() { 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() { return mCollapsed; } - - U64 getCountAverage() { return mCountAverage; } - U64 getCallAverage() { return mCallAverage; } - - U64 getHistoricalCount(S32 history_index = 0); - U64 getHistoricalCalls(S32 history_index = 0); - - static NamedTimer& getRootNamedTimer(); - - struct FrameState - { - FrameState(NamedTimer* timerp); - - U64 mSelfTimeCounter; - U64 mLastStartTime; // most recent time when this timer was started - 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 - }; - - FrameState& getFrameStateFast() const - { - return (*sTimerInfos)[mFrameStateIndex]; - } - - 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(); - - // called once per frame by LLFastTimer - static void processFrame(); - - static void buildHierarchy(); - static void resetFrame(); - static void reset(); - - typedef std::vector<FrameState> info_list_t; - static info_list_t& getFrameStateList(); - static void createFrameStateList(); // must call before any call to getFrameStateList() - - // - // members - // - S32 mFrameStateIndex; - - std::string mName; - - U64 mTotalTimeCounter; - - U64 mCountAverage; - U64 mCallAverage; - - U64* mCountHistory; - U64* 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 - - static info_list_t* sTimerInfos; - }; + _emit 0x0f + _emit 0x31 + shr eax,8 + shl edx,24 + or eax, edx + mov dword ptr [ret_val], eax + } + return ret_val; +} - // used to statically declare a new named timer - class DeclareTimer +// return full timer value, *not* shifted by 8 bits +inline U64 LLFastTimer::getCPUClockCount64() +{ + U64 ret_val; + __asm { - public: - DeclareTimer(const std::string& name, bool open); - DeclareTimer(const std::string& name); - - // convertable to NamedTimer::FrameState for convenient usage of LLFastTimer(declared_timer) - operator NamedTimer::FrameState&() { return mNamedTimer.getFrameStateFast(); } - private: - NamedTimer& mNamedTimer; - }; + _emit 0x0f + _emit 0x31 + mov eax,eax + mov edx,edx + mov dword ptr [ret_val+4], edx + mov dword ptr [ret_val], eax + } + return ret_val; +} +#endif - static DeclareTimer FTM_ARRANGE; - static DeclareTimer FTM_ATTACHMENT_UPDATE; - static DeclareTimer FTM_AUDIO_UPDATE; - static DeclareTimer FTM_AUTO_SELECT; - static DeclareTimer FTM_AVATAR_UPDATE; - static DeclareTimer FTM_CLEANUP; - static DeclareTimer FTM_CLIENT_COPY; - static DeclareTimer FTM_CREATE_OBJECT; - static DeclareTimer FTM_CULL; - static DeclareTimer FTM_CULL_REBOUND; - static DeclareTimer FTM_FILTER; - static DeclareTimer FTM_FLEXIBLE_UPDATE; - static DeclareTimer FTM_FRAME; - static DeclareTimer FTM_FRUSTUM_CULL; - static DeclareTimer FTM_GEN_FLEX; - static DeclareTimer FTM_GEN_TRIANGLES; - static DeclareTimer FTM_GEN_VOLUME; - static DeclareTimer FTM_GEO_SKY; - static DeclareTimer FTM_GEO_UPDATE; - static DeclareTimer FTM_HUD_EFFECTS; - static DeclareTimer FTM_HUD_UPDATE; - static DeclareTimer FTM_IDLE; - static DeclareTimer FTM_IDLE_CB; - static DeclareTimer FTM_IDLE_NETWORK; - static DeclareTimer FTM_IMAGE_CREATE; - static DeclareTimer FTM_IMAGE_MARK_DIRTY; - static DeclareTimer FTM_IMAGE_UPDATE; - static DeclareTimer FTM_INVENTORY; - static DeclareTimer FTM_JOINT_UPDATE; - static DeclareTimer FTM_KEYHANDLER; - static DeclareTimer FTM_LOAD_AVATAR; - static DeclareTimer FTM_LOD_UPDATE; - static DeclareTimer FTM_MESSAGES; - static DeclareTimer FTM_MOUSEHANDLER; - static DeclareTimer FTM_NETWORK; - static DeclareTimer FTM_OBJECTLIST_UPDATE; - static DeclareTimer FTM_OCCLUSION_READBACK; - static DeclareTimer FTM_OCTREE_BALANCE; - static DeclareTimer FTM_PICK; - static DeclareTimer FTM_PIPELINE; - static DeclareTimer FTM_POOLRENDER; - static DeclareTimer FTM_POOLS; - static DeclareTimer FTM_PROCESS_IMAGES; - static DeclareTimer FTM_PROCESS_MESSAGES; - static DeclareTimer FTM_PROCESS_OBJECTS; - static DeclareTimer FTM_PUMP; - static DeclareTimer FTM_REBUILD_GRASS_VB; - static DeclareTimer FTM_REBUILD_PARTICLE_VB; - static DeclareTimer FTM_REBUILD_TERRAIN_VB; - static DeclareTimer FTM_REBUILD_VBO; - static DeclareTimer FTM_REBUILD_VOLUME_VB; - static DeclareTimer FTM_REFRESH; - static DeclareTimer FTM_REGION_UPDATE; - static DeclareTimer FTM_RENDER; - static DeclareTimer FTM_RENDER_ALPHA; - static DeclareTimer FTM_RENDER_BLOOM; - static DeclareTimer FTM_RENDER_BLOOM_FBO; - static DeclareTimer FTM_RENDER_BUMP; - static DeclareTimer FTM_RENDER_CHARACTERS; - static DeclareTimer FTM_RENDER_FAKE_VBO_UPDATE; - static DeclareTimer FTM_RENDER_FONTS; - static DeclareTimer FTM_RENDER_FULLBRIGHT; - static DeclareTimer FTM_RENDER_GEOMETRY; - static DeclareTimer FTM_RENDER_GLOW; - static DeclareTimer FTM_RENDER_GRASS; - static DeclareTimer FTM_RENDER_INVISIBLE; - static DeclareTimer FTM_RENDER_OCCLUSION; - static DeclareTimer FTM_RENDER_SHINY; - static DeclareTimer FTM_RENDER_SIMPLE; - static DeclareTimer FTM_RENDER_TERRAIN; - static DeclareTimer FTM_RENDER_TREES; - static DeclareTimer FTM_RENDER_UI; - static DeclareTimer FTM_RENDER_WATER; - static DeclareTimer FTM_RENDER_WL_SKY; - static DeclareTimer FTM_RESET_DRAWORDER; - static DeclareTimer FTM_SHADOW_ALPHA; - static DeclareTimer FTM_SHADOW_AVATAR; - static DeclareTimer FTM_SHADOW_RENDER; - static DeclareTimer FTM_SHADOW_SIMPLE; - static DeclareTimer FTM_SHADOW_TERRAIN; - static DeclareTimer FTM_SHADOW_TREE; - static DeclareTimer FTM_SIMULATE_PARTICLES; - static DeclareTimer FTM_SLEEP; - static DeclareTimer FTM_SORT; - static DeclareTimer FTM_STATESORT; - static DeclareTimer FTM_STATESORT_DRAWABLE; - static DeclareTimer FTM_STATESORT_POSTSORT; - static DeclareTimer FTM_SWAP; - static DeclareTimer FTM_TEMP1; - static DeclareTimer FTM_TEMP2; - static DeclareTimer FTM_TEMP3; - static DeclareTimer FTM_TEMP4; - static DeclareTimer FTM_TEMP5; - static DeclareTimer FTM_TEMP6; - static DeclareTimer FTM_TEMP7; - static DeclareTimer FTM_TEMP8; - static DeclareTimer FTM_UPDATE_ANIMATION; - static DeclareTimer FTM_UPDATE_AVATAR; - static DeclareTimer FTM_UPDATE_CLOUDS; - static DeclareTimer FTM_UPDATE_GRASS; - static DeclareTimer FTM_UPDATE_MOVE; - static DeclareTimer FTM_UPDATE_PARTICLES; - static DeclareTimer FTM_UPDATE_PRIMITIVES; - static DeclareTimer FTM_UPDATE_SKY; - static DeclareTimer FTM_UPDATE_TERRAIN; - static DeclareTimer FTM_UPDATE_TEXTURES; - static DeclareTimer FTM_UPDATE_TREE; - static DeclareTimer FTM_UPDATE_WATER; - static DeclareTimer FTM_UPDATE_WLPARAM; - static DeclareTimer FTM_VFILE_WAIT; - static DeclareTimer FTM_WORLD_UPDATE; -public: - enum RootTimerMarker { ROOT }; +#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__)) +// +// Linux and Solaris implementation of CPU clock - non-x86. +// This is accurate but SLOW! Only use out of desperation. +// +// Try to use the MONOTONIC clock if available, this is a constant time counter +// with nanosecond resolution (but not necessarily accuracy) and attempts are +// made to synchronize this value between cores at kernel start. It should not +// be affected by CPU frequency. If not available use the REALTIME clock, but +// this may be affected by NTP adjustments or other user activity affecting +// the system time. +inline U64 LLFastTimer::getCPUClockCount64() +{ + struct timespec tp; - static LLMutex* sLogLock; - static std::queue<LLSD> sLogQueue; - static BOOL sLog; - static BOOL sMetricLog; - - LLFastTimer(RootTimerMarker); - - LLFastTimer(NamedTimer::FrameState& timer) - : mFrameState(&timer) - { - NamedTimer::FrameState* frame_state = mFrameState; - frame_state->mLastStartTime = get_cpu_clock_count(); - mStartSelfTime = frame_state->mLastStartTime; +#ifdef CLOCK_MONOTONIC // MONOTONIC supported at build-time? + if (-1 == clock_gettime(CLOCK_MONOTONIC,&tp)) // if MONOTONIC isn't supported at runtime then ouch, try REALTIME +#endif + clock_gettime(CLOCK_REALTIME,&tp); - 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); - - mLastTimer = sCurTimer; - sCurTimer = this; - } + return (tp.tv_sec*LLFastTimer::sClockResolution)+tp.tv_nsec; +} - ~LLFastTimer() - { -#if FAST_TIMER_ON - NamedTimer::FrameState* frame_state = mFrameState; - U64 cur_time = get_cpu_clock_count(); - frame_state->mSelfTimeCounter += cur_time - mStartSelfTime; +inline U32 LLFastTimer::getCPUClockCount32() +{ + return (U32)(LLFastTimer::getCPUClockCount64() >> 8); +} +#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__)) - frame_state->mActiveCount--; - LLFastTimer* last_timer = mLastTimer; - sCurTimer = last_timer; - // store last caller to bootstrap tree creation - frame_state->mLastCaller = last_timer->mFrameState; +#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__)) +// +// Mac+Linux+Solaris FAST x86 implementation of CPU clock +inline U32 LLFastTimer::getCPUClockCount32() +{ + U64 x; + __asm__ volatile (".byte 0x0f, 0x31": "=A"(x)); + return (U32)(x >> 8); +} - // we are only tracking self time, so subtract our total time delta from parents - U64 total_time = cur_time - frame_state->mLastStartTime; - last_timer->mStartSelfTime += total_time; +inline U64 LLFastTimer::getCPUClockCount64() +{ + U64 x; + __asm__ volatile (".byte 0x0f, 0x31": "=A"(x)); + return x; +} #endif - } - // call this once a frame to reset timers - static void nextFrame(); +#if ( LL_DARWIN && !(defined(__i386__) || defined(__amd64__))) +// +// Mac PPC (deprecated) implementation of CPU clock +// +// Just use gettimeofday implementation for now - // 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); - -public: - static bool sPauseHistory; - static bool sResetHistory; - -private: - typedef std::vector<LLFastTimer*> timer_stack_t; - static LLFastTimer* sCurTimer; - static S32 sCurFrameIndex; - static S32 sLastFrameIndex; +inline U32 LLFastTimer::getCPUClockCount32() +{ + return (U32)(get_clock_count()>>8); +} - static F64 sCPUClockFrequency; - U64 mStartSelfTime; // start time + time of all child timers - NamedTimer::FrameState* mFrameState; - LLFastTimer* mLastTimer; -}; +inline U64 LLFastTimer::getCPUClockCount64() +{ + return get_clock_count(); +} +#endif #endif // LL_LLFASTTIMER_H |