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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-12-21 14:31:55 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-02-02 15:01:20 +0100 |
| commit | 89c0313938aea0618a624b7230ed29cebe723d75 (patch) | |
| tree | 05272eb7673abc783d329269d575eb208c0716d9 /cpukit/include/rtems/score | |
| parent | smptests/smpopenmp01: New test (diff) | |
| download | rtems-89c0313938aea0618a624b7230ed29cebe723d75.tar.bz2 | |
score: Optimize watchdog tickle
Avoid unnecessary lock acquire/release operations. Get realtime via
timecounter only if necessary.
Update #3264.
Diffstat (limited to 'cpukit/include/rtems/score')
| -rw-r--r-- | cpukit/include/rtems/score/watchdogimpl.h | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/cpukit/include/rtems/score/watchdogimpl.h b/cpukit/include/rtems/score/watchdogimpl.h index f219a70768..f1693d9fda 100644 --- a/cpukit/include/rtems/score/watchdogimpl.h +++ b/cpukit/include/rtems/score/watchdogimpl.h @@ -96,6 +96,13 @@ RTEMS_INLINE_ROUTINE void _Watchdog_Header_initialize( header->first = NULL; } +RTEMS_INLINE_ROUTINE Watchdog_Control *_Watchdog_Header_first( + const Watchdog_Header *header +) +{ + return (Watchdog_Control *) header->first; +} + RTEMS_INLINE_ROUTINE void _Watchdog_Header_destroy( Watchdog_Header *header ) @@ -187,6 +194,7 @@ RTEMS_INLINE_ROUTINE void _Watchdog_Initialize( void _Watchdog_Do_tickle( Watchdog_Header *header, + Watchdog_Control *first, uint64_t now, #if defined(RTEMS_SMP) ISR_lock_Control *lock, @@ -195,11 +203,11 @@ void _Watchdog_Do_tickle( ); #if defined(RTEMS_SMP) - #define _Watchdog_Tickle( header, now, lock, lock_context ) \ - _Watchdog_Do_tickle( header, now, lock, lock_context ) + #define _Watchdog_Tickle( header, first, now, lock, lock_context ) \ + _Watchdog_Do_tickle( header, first, now, lock, lock_context ) #else - #define _Watchdog_Tickle( header, now, lock, lock_context ) \ - _Watchdog_Do_tickle( header, now, lock_context ) + #define _Watchdog_Tickle( header, first, now, lock, lock_context ) \ + _Watchdog_Do_tickle( header, first, now, lock_context ) #endif /** @@ -548,22 +556,6 @@ RTEMS_INLINE_ROUTINE void _Watchdog_Per_CPU_remove_realtime( ); } -RTEMS_INLINE_ROUTINE void _Watchdog_Per_CPU_tickle_realtime( - Per_CPU_Control *cpu, - uint64_t now -) -{ - ISR_lock_Context lock_context; - - _ISR_lock_ISR_disable_and_acquire( &cpu->Watchdog.Lock, &lock_context ); - _Watchdog_Tickle( - &cpu->Watchdog.Header[ PER_CPU_WATCHDOG_REALTIME ], - now, - &cpu->Watchdog.Lock, - &lock_context - ); -} - /** @} */ #ifdef __cplusplus |