diff options
Diffstat (limited to 'cpukit/score/src/threaddispatch.c')
| -rw-r--r-- | cpukit/score/src/threaddispatch.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/cpukit/score/src/threaddispatch.c b/cpukit/score/src/threaddispatch.c index 136433be17..4c903b6c2a 100644 --- a/cpukit/score/src/threaddispatch.c +++ b/cpukit/score/src/threaddispatch.c @@ -2,7 +2,7 @@ * Thread Handler * * - * COPYRIGHT (c) 1989-1999. + * COPYRIGHT (c) 1989-2007. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -30,6 +30,11 @@ #include <rtems/score/userext.h> #include <rtems/score/wkspace.h> +#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS + + #include <rtems/score/timespec.h> +#endif + /*PAGE * * _Thread_Dispatch @@ -78,7 +83,17 @@ void _Thread_Dispatch( void ) heir->cpu_time_budget = _Thread_Ticks_per_timeslice; _ISR_Enable( level ); - heir->ticks_executed++; + #ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS + { + struct timespec uptime, ran; + _TOD_Get_uptime( &uptime ); + _Timespec_Subtract(&_Thread_Time_of_last_context_switch, &uptime, &ran); + _Timespec_Add_to( &executing->cpu_time_used, &ran ); + _Thread_Time_of_last_context_switch = uptime; + } + #else + heir->ticks_executed++; + #endif /* * Switch libc's task specific data. |