diff options
Diffstat (limited to 'include/linux/hrtimer.h')
| -rw-r--r-- | include/linux/hrtimer.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 4ecd991431b..93b8757c1ea 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -119,6 +119,11 @@ struct hrtimer { enum hrtimer_cb_mode cb_mode; struct list_head cb_entry; #endif +#ifdef CONFIG_TIMER_STATS + void *start_site; + char start_comm[16]; + int start_pid; +#endif }; /** @@ -311,4 +316,44 @@ extern unsigned long ktime_divns(const ktime_t kt, s64 div); # define ktime_divns(kt, div) (unsigned long)((kt).tv64 / (div)) #endif +/* + * Timer-statistics info: + */ +#ifdef CONFIG_TIMER_STATS + +extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf, + void *timerf, char * comm); + +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); +} + +extern void __timer_stats_hrtimer_set_start_info(struct hrtimer *timer, + void *addr); + +static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer) +{ + __timer_stats_hrtimer_set_start_info(timer, __builtin_return_address(0)); +} + +static inline void timer_stats_hrtimer_clear_start_info(struct hrtimer *timer) +{ + timer->start_site = NULL; +} +#else +static inline void timer_stats_account_hrtimer(struct hrtimer *timer) +{ +} + +static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer) +{ +} + +static inline void timer_stats_hrtimer_clear_start_info(struct hrtimer *timer) +{ +} +#endif + #endif |