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/timer.h b/include/linux/timer.h
index 2b59e6d..78cf899 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -90,16 +90,13 @@
*/
#ifdef CONFIG_TIMER_STATS
+#define TIMER_STATS_FLAG_DEFERRABLE 0x1
+
extern void init_timer_stats(void);
extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
- void *timerf, char * comm);
-
-static inline void timer_stats_account_timer(struct timer_list *timer)
-{
- timer_stats_update_stats(timer, timer->start_pid, timer->start_site,
- timer->function, timer->start_comm);
-}
+ void *timerf, char *comm,
+ unsigned int timer_flag);
extern void __timer_stats_timer_set_start_info(struct timer_list *timer,
void *addr);
@@ -118,10 +115,6 @@
{
}
-static inline void timer_stats_account_timer(struct timer_list *timer)
-{
-}
-
static inline void timer_stats_timer_set_start_info(struct timer_list *timer)
{
}