diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-28 23:34:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-28 23:34:14 +0100 |
| commit | 38a6ed3ed8e108b662f4016a1ebf068dcf4c1ef4 (patch) | |
| tree | a83d5e4e86edf6cb2de22db6f2ff2274753a2bab /include/linux/latencytop.h | |
| parent | f2d28a2ebcb525a6ec7e2152106ddb385ef52b73 (diff) | |
| parent | 7c730ccdc1188b97f5c8cb690906242c7ed75c22 (diff) | |
Merge branch 'linus' into core/printk
Diffstat (limited to 'include/linux/latencytop.h')
| -rw-r--r-- | include/linux/latencytop.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h index 901c2d6377a..b0e99898527 100644 --- a/include/linux/latencytop.h +++ b/include/linux/latencytop.h @@ -9,6 +9,7 @@ #ifndef _INCLUDE_GUARD_LATENCYTOP_H_ #define _INCLUDE_GUARD_LATENCYTOP_H_ +#include <linux/compiler.h> #ifdef CONFIG_LATENCYTOP #define LT_SAVECOUNT 32 @@ -24,7 +25,14 @@ struct latency_record { struct task_struct; -void account_scheduler_latency(struct task_struct *task, int usecs, int inter); +extern int latencytop_enabled; +void __account_scheduler_latency(struct task_struct *task, int usecs, int inter); +static inline void +account_scheduler_latency(struct task_struct *task, int usecs, int inter) +{ + if (unlikely(latencytop_enabled)) + __account_scheduler_latency(task, usecs, inter); +} void clear_all_latency_tracing(struct task_struct *p); |