diff options
author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
commit | f630fe2817601314b2eb7ca5ddc23c7834646731 (patch) | |
tree | 3bfb4939b7bbc3859575ca8b58fa3f929b015941 /include/linux/timer.h | |
parent | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (diff) | |
parent | 8a03d9a498eaf02c8a118752050a5154852c13bf (diff) |
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/timer.h')
-rw-r--r-- | include/linux/timer.h | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/include/linux/timer.h b/include/linux/timer.h index fb5edaaf0eb..719113b652d 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -2,6 +2,7 @@ #define _LINUX_TIMER_H #include <linux/list.h> +#include <linux/ktime.h> #include <linux/spinlock.h> #include <linux/stddef.h> @@ -15,6 +16,11 @@ struct timer_list { unsigned long data; struct tvec_t_base_s *base; +#ifdef CONFIG_TIMER_STATS + void *start_site; + char start_comm[16]; + int start_pid; +#endif }; extern struct tvec_t_base_s boot_tvec_bases; @@ -61,7 +67,65 @@ extern int del_timer(struct timer_list * timer); extern int __mod_timer(struct timer_list *timer, unsigned long expires); extern int mod_timer(struct timer_list *timer, unsigned long expires); +/* + * Return when the next timer-wheel timeout occurs (in absolute jiffies), + * locks the timer base: + */ extern unsigned long next_timer_interrupt(void); +/* + * Return when the next timer-wheel timeout occurs (in absolute jiffies), + * locks the timer base and does the comparison against the given + * jiffie. + */ +extern unsigned long get_next_timer_interrupt(unsigned long now); + +/* + * Timer-statistics info: + */ +#ifdef CONFIG_TIMER_STATS + +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); +} + +extern void __timer_stats_timer_set_start_info(struct timer_list *timer, + void *addr); + +static inline void timer_stats_timer_set_start_info(struct timer_list *timer) +{ + __timer_stats_timer_set_start_info(timer, __builtin_return_address(0)); +} + +static inline void timer_stats_timer_clear_start_info(struct timer_list *timer) +{ + timer->start_site = NULL; +} +#else +static inline void init_timer_stats(void) +{ +} + +static inline void timer_stats_account_timer(struct timer_list *timer) +{ +} + +static inline void timer_stats_timer_set_start_info(struct timer_list *timer) +{ +} + +static inline void timer_stats_timer_clear_start_info(struct timer_list *timer) +{ +} +#endif + +extern void delayed_work_timer_fn(unsigned long __data); /** * add_timer - start a timer @@ -96,7 +160,7 @@ static inline void add_timer(struct timer_list *timer) extern void init_timers(void); extern void run_local_timers(void); struct hrtimer; -extern int it_real_fn(struct hrtimer *); +extern enum hrtimer_restart it_real_fn(struct hrtimer *); unsigned long __round_jiffies(unsigned long j, int cpu); unsigned long __round_jiffies_relative(unsigned long j, int cpu); |