Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6

[karo-tx-linux.git] / include / linux / timer.h

diff --git a/include/linux/timer.h b/include/linux/timer.h
index bd0af324fd487e9fbbba15ff2daf283de08773b5..719113b652dd55e31bd1f0afd039a55b1d972de0 100644 (file)
--- 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;
@@ -73,6 +79,54 @@ extern unsigned long next_timer_interrupt(void);
  */
 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
  * @timer: the timer to be added
@@ -106,7 +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);