diff options
Diffstat (limited to 'cpukit/score/src/threadgetcputimeused.c')
-rw-r--r-- | cpukit/score/src/threadgetcputimeused.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/cpukit/score/src/threadgetcputimeused.c b/cpukit/score/src/threadgetcputimeused.c new file mode 100644 index 0000000000..6bfe8ea216 --- /dev/null +++ b/cpukit/score/src/threadgetcputimeused.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2016 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/score/threadimpl.h> +#include <rtems/score/schedulerimpl.h> + +static bool _Thread_Is_scheduled( const Thread_Control *the_thread ) +{ +#if defined(RTEMS_SMP) + return the_thread->Scheduler.state == THREAD_SCHEDULER_SCHEDULED; +#else + return _Thread_Is_executing( the_thread ); +#endif +} + +void _Thread_Get_CPU_time_used( + Thread_Control *the_thread, + Timestamp_Control *cpu_time_used +) +{ + ISR_lock_Context lock_context; + + _Scheduler_Acquire( the_thread, &lock_context ); + + if ( _Thread_Is_scheduled( the_thread ) ) { + _Thread_Update_CPU_time_used( the_thread, _Thread_Get_CPU( the_thread ) ); + } + + *cpu_time_used = the_thread->cpu_time_used; + + _Scheduler_Release( the_thread, &lock_context ); +} |