diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 40d2fa90df42..a9693f179c58 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -340,9 +340,11 @@ extern void io_schedule_finish(int token); extern long io_schedule_timeout(long timeout); extern void io_schedule(void); -/* wrapper function to trace from this header file */ +/* wrapper functions to trace from this header file */ DECLARE_TRACEPOINT(sched_set_state_tp); extern void __trace_set_current_state(int state_value); +DECLARE_TRACEPOINT(sched_set_need_resched_tp); +extern void __trace_set_need_resched(struct task_struct *curr, int tif); /** * struct prev_cputime - snapshot of system and user cputime @@ -1634,12 +1636,10 @@ struct task_struct { #ifdef CONFIG_RV /* - * Per-task RV monitor. Nowadays fixed in RV_PER_TASK_MONITORS. - * If we find justification for more monitors, we can think - * about adding more or developing a dynamic method. So far, - * none of these are justified. + * Per-task RV monitor, fixed in CONFIG_RV_PER_TASK_MONITORS. + * If memory becomes a concern, we can think about a dynamic method. */ - union rv_task_monitor rv[RV_PER_TASK_MONITORS]; + union rv_task_monitor rv[CONFIG_RV_PER_TASK_MONITORS]; #endif #ifdef CONFIG_USER_EVENTS @@ -2030,6 +2030,9 @@ static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag) static inline void set_tsk_need_resched(struct task_struct *tsk) { + if (tracepoint_enabled(sched_set_need_resched_tp) && + !test_tsk_thread_flag(tsk, TIF_NEED_RESCHED)) + __trace_set_need_resched(tsk, TIF_NEED_RESCHED); set_tsk_thread_flag(tsk,TIF_NEED_RESCHED); } |