diff options
author | Tofu Linden <tofu.linden@lindenlab.com> | 2010-01-14 13:45:23 -0800 |
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committer | Tofu Linden <tofu.linden@lindenlab.com> | 2010-01-14 13:45:23 -0800 |
commit | af2cbcee129911cb4e1d25fbd710d755c13b0282 (patch) | |
tree | a09d45e10d3b03c94256424ecd8f881e75551aae /indra/llcommon | |
parent | 0a955ae550d3b810da67a17848a6cbc5ef11edb5 (diff) | |
parent | 23a266521ead539cb3e8c2c76e7ead46847b70ca (diff) |
Merge from viewer2, including fix for the test failure biting qarl.
Minor conflict in llviewerfloaterreg.cpp resolved.
Diffstat (limited to 'indra/llcommon')
-rw-r--r-- | indra/llcommon/llfasttimer.h | 163 |
1 files changed, 79 insertions, 84 deletions
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h index f5c90291b8..5058a2e772 100644 --- a/indra/llcommon/llfasttimer.h +++ b/indra/llcommon/llfasttimer.h @@ -39,40 +39,30 @@ #define TIME_FAST_TIMERS 0 #if LL_WINDOWS - +// 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 + +#define LL_INLINE __forceinline // 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 get_cpu_clock_count_32() { - U32 ret_val; - __asm - { - _emit 0x0f - _emit 0x31 - shr eax,8 - shl edx,24 - or eax, edx - mov dword ptr [ret_val], eax - } - return ret_val; + U64 time_stamp = __rdtsc(); + return (U32)(time_stamp >> 8); } // return full timer value, *not* shifted by 8 bits inline U64 get_cpu_clock_count_64() { - U64 ret_val; - __asm - { - _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; + return __rdtsc(); } - +#else +#define LL_INLINE #endif // LL_WINDOWS #if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__)) @@ -113,10 +103,25 @@ 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> @@ -149,24 +154,10 @@ public: static NamedTimer& getRootNamedTimer(); - struct 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 - }; - S32 getFrameStateIndex() const { return mFrameStateIndex; } FrameState& getFrameState() const; - private: friend class LLFastTimer; friend class NamedTimerFactory; @@ -185,7 +176,6 @@ public: static void buildHierarchy(); static void resetFrame(); static void reset(); - // // members @@ -207,58 +197,47 @@ public: 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(); - // convertable to NamedTimer::FrameState for convenient usage of LLFastTimer(declared_timer) - operator NamedTimer::FrameState&() { return *mFrameState; } private: - NamedTimer& mTimer; - NamedTimer::FrameState* mFrameState; + NamedTimer& mTimer; + FrameState* mFrameState; }; - public: - static LLMutex* sLogLock; - static std::queue<LLSD> sLogQueue; - static BOOL sLog; - static BOOL sMetricLog; - - typedef std::vector<NamedTimer::FrameState> info_list_t; - static info_list_t& getFrameStateList(); + LLFastTimer(LLFastTimer::FrameState* state); - enum RootTimerMarker { ROOT }; - LLFastTimer(RootTimerMarker); - - LLFastTimer(NamedTimer::FrameState& timer) - : mFrameState(&timer) + LL_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer) + : mFrameState(timer.mFrameState) { #if TIME_FAST_TIMERS U64 timer_start = get_cpu_clock_count_64(); #endif #if FAST_TIMER_ON - NamedTimer::FrameState* frame_state = &timer; - U32 cur_time = get_cpu_clock_count_32(); - mStartSelfTime = cur_time; - mStartTotalTime = cur_time; + LLFastTimer::FrameState* frame_state = mFrameState; + mStartTime = get_cpu_clock_count_32(); 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; + 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 = get_cpu_clock_count_64(); @@ -266,26 +245,26 @@ public: #endif } - ~LLFastTimer() + LL_INLINE ~LLFastTimer() { #if TIME_FAST_TIMERS U64 timer_start = get_cpu_clock_count_64(); #endif #if FAST_TIMER_ON - NamedTimer::FrameState* frame_state = mFrameState; - U32 cur_time = get_cpu_clock_count_32(); - frame_state->mSelfTimeCounter += cur_time - mStartSelfTime; + LLFastTimer::FrameState* frame_state = mFrameState; + U32 total_time = get_cpu_clock_count_32() - mStartTime; + frame_state->mSelfTimeCounter += total_time - LLFastTimer::sCurTimerData.mChildTime; frame_state->mActiveCount--; - LLFastTimer* last_timer = mLastTimer; - sCurTimer = last_timer; // store last caller to bootstrap tree creation - frame_state->mLastCaller = last_timer->mFrameState; + // 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 - U32 total_time = cur_time - mStartTotalTime; - last_timer->mStartSelfTime += total_time; + mLastTimerData.mChildTime += total_time; + + LLFastTimer::sCurTimerData = mLastTimerData; #endif #if TIME_FAST_TIMERS U64 timer_end = get_cpu_clock_count_64(); @@ -294,7 +273,20 @@ public: #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(); @@ -312,23 +304,26 @@ public: static void writeLog(std::ostream& os); static const NamedTimer* getTimerByName(const std::string& name); -public: - static bool sPauseHistory; - static bool sResetHistory; - static U64 sTimerCycles; - static U32 sTimerCalls; - + struct CurTimerData + { + LLFastTimer* mCurTimer; + FrameState* mFrameState; + U32 mChildTime; + }; + static CurTimerData sCurTimerData; + private: - static LLFastTimer* sCurTimer; static S32 sCurFrameIndex; static S32 sLastFrameIndex; static U64 sLastFrameTime; static info_list_t* sTimerInfos; - U32 mStartSelfTime; // start time + time of all child timers - U32 mStartTotalTime; // start time + time of all child timers - NamedTimer::FrameState* mFrameState; - LLFastTimer* mLastTimer; + U32 mStartTime; + LLFastTimer::FrameState* mFrameState; + LLFastTimer::CurTimerData mLastTimerData; + }; +typedef class LLFastTimer LLFastTimer; + #endif // LL_LLFASTTIMER_H |