Add a flag to indicate deferrable timers in /proc/timer_stats
Add a flag in /proc/timer_stats to indicate deferrable timers. This will
let developers/users to differentiate between types of tiemrs in
/proc/timer_stats.
Deferrable timer and normal timer will appear in /proc/timer_stats as below.
10D, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)
10, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)
Also version of timer_stats changes from v0.1 to v0.2
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 17c29dc..540799b 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -329,12 +329,13 @@
#ifdef CONFIG_TIMER_STATS
extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
- void *timerf, char * comm);
+ void *timerf, char *comm,
+ unsigned int timer_flag);
static inline void timer_stats_account_hrtimer(struct hrtimer *timer)
{
timer_stats_update_stats(timer, timer->start_pid, timer->start_site,
- timer->function, timer->start_comm);
+ timer->function, timer->start_comm, 0);
}
extern void __timer_stats_hrtimer_set_start_info(struct hrtimer *timer,