diff options
Diffstat (limited to 'indra/llcommon/llfasttimer.h')
| -rw-r--r-- | indra/llcommon/llfasttimer.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h index 09fcf8a1af..8499655bfa 100644 --- a/indra/llcommon/llfasttimer.h +++ b/indra/llcommon/llfasttimer.h @@ -99,7 +99,11 @@ public: #if LL_FASTTIMER_USE_RDTSC static U32 getCPUClockCount32() { +#if _M_ARM64 + unsigned __int64 val = _ReadStatusReg(ARM64_PMCCNTR_EL0); +#else unsigned __int64 val = __rdtsc(); +#endif val = val >> 8; return static_cast<U32>(val); } @@ -107,7 +111,11 @@ public: // return full timer value, *not* shifted by 8 bits static U64 getCPUClockCount64() { +#if _M_ARM64 + return static_cast<U64>( _ReadStatusReg(ARM64_PMCCNTR_EL0) ); +#else return static_cast<U64>( __rdtsc() ); +#endif } #else @@ -127,8 +135,22 @@ public: #endif +#if (LL_DARWIN && defined(__arm64__)) + + static U32 getCPUClockCount64() + { + U64 t = clock_gettime_nsec_np(CLOCK_UPTIME_RAW); + return t/1000; + } + + static U64 getCPUClockCount32() + { + return (U32) (getCPUClockCount64() >> 8); + } + +#endif -#if (LL_LINUX) && !(defined(__i386__) || defined(__amd64__)) +#if (LL_LINUX && !(defined(__i386__) || defined(__amd64__))) // // Linux implementation of CPU clock - non-x86. // This is accurate but SLOW! Only use out of desperation. @@ -159,7 +181,7 @@ public: #endif // (LL_LINUX) && !(defined(__i386__) || defined(__amd64__)) -#if (LL_LINUX || LL_DARWIN) && (defined(__i386__) || defined(__amd64__)) +#if (LL_LINUX || LL_DARWIN || __FreeBSD__) && (defined(__i386__) || defined(__amd64__)) // // Mac+Linux FAST x86 implementation of CPU clock static U32 getCPUClockCount32() |