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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-03-07 14:36:22 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-03-14 08:46:49 +0100 |
| commit | 53ad908a646eb6fd67f9b4586f4b484e8255b9d3 (patch) | |
| tree | 7dd408879d01a507e6052f375ec6e14ab3f8965d /cpukit/score/include/rtems/score/percpu.h | |
| parent | score: Add per-CPU profiling (diff) | |
| download | rtems-53ad908a646eb6fd67f9b4586f4b484e8255b9d3.tar.bz2 | |
score: Add SMP lock profiling support
Diffstat (limited to 'cpukit/score/include/rtems/score/percpu.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/percpu.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h index 5ba463e812..d9b73029fc 100644 --- a/cpukit/score/include/rtems/score/percpu.h +++ b/cpukit/score/include/rtems/score/percpu.h @@ -40,7 +40,11 @@ extern "C" { * used in assembler code to easily get the per-CPU control for a particular * processor. */ - #define PER_CPU_CONTROL_SIZE_LOG2 7 + #if defined( RTEMS_PROFILING ) + #define PER_CPU_CONTROL_SIZE_LOG2 8 + #else + #define PER_CPU_CONTROL_SIZE_LOG2 7 + #endif #define PER_CPU_CONTROL_SIZE ( 1 << PER_CPU_CONTROL_SIZE_LOG2 ) #endif @@ -287,6 +291,11 @@ typedef struct { SMP_ticket_lock_Control Lock; /** + * @brief Lock statistics context for the per-CPU lock. + */ + SMP_lock_Stats_context Lock_stats_context; + + /** * @brief Context for the Giant lock acquire and release pair of this * processor. */ @@ -333,7 +342,10 @@ extern Per_CPU_Control_envelope _Per_CPU_Information[] CPU_STRUCTURE_ALIGNMENT; #if defined( RTEMS_SMP ) #define _Per_CPU_Acquire( per_cpu ) \ - _SMP_ticket_lock_Acquire( &( per_cpu )->Lock ) + _SMP_ticket_lock_Acquire( \ + &( per_cpu )->Lock, \ + &( per_cpu )->Lock_stats_context \ + ) #else #define _Per_CPU_Acquire( per_cpu ) \ do { \ @@ -343,7 +355,10 @@ extern Per_CPU_Control_envelope _Per_CPU_Information[] CPU_STRUCTURE_ALIGNMENT; #if defined( RTEMS_SMP ) #define _Per_CPU_Release( per_cpu ) \ - _SMP_ticket_lock_Release( &( per_cpu )->Lock ) + _SMP_ticket_lock_Release( \ + &( per_cpu )->Lock, \ + &( per_cpu )->Lock_stats_context \ + ) #else #define _Per_CPU_Release( per_cpu ) \ do { \ |