perf_counter tools: Create new chain_for_each_child() iterator

[mv-sheeva.git] / include / linux / timer.h

diff --git a/include/linux/timer.h b/include/linux/timer.h
index 6cdb6f3331f11b6a80d7cd2c85a45706937b16d3..be62ec2ebea54fc0c9bd97f3b630882385fa2943 100644 (file)
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -163,7 +163,10 @@ extern void add_timer_on(struct timer_list *timer, int cpu);
 extern int del_timer(struct timer_list * timer);
 extern int mod_timer(struct timer_list *timer, unsigned long expires);
 extern int mod_timer_pending(struct timer_list *timer, unsigned long expires);
+extern int mod_timer_pinned(struct timer_list *timer, unsigned long expires);
 
+#define TIMER_NOT_PINNED       0
+#define TIMER_PINNED           1
 /*
  * The jiffies value which is added to now, when there is no timer
  * in the timer wheel:
@@ -187,6 +190,8 @@ extern unsigned long get_next_timer_interrupt(unsigned long now);
  */
 #ifdef CONFIG_TIMER_STATS
 
+extern int timer_stats_active;
+
 #define TIMER_STATS_FLAG_DEFERRABLE    0x1
 
 extern void init_timer_stats(void);
@@ -200,6 +205,8 @@ extern void __timer_stats_timer_set_start_info(struct timer_list *timer,
 
 static inline void timer_stats_timer_set_start_info(struct timer_list *timer)
 {
+       if (likely(!timer_stats_active))
+               return;
        __timer_stats_timer_set_start_info(timer, __builtin_return_address(0));
 }