diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-31 13:53:43 +0200 |
| commit | 7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (patch) | |
| tree | 693061ebde2abc35ecc846e5084630d7225aaaff /include/linux/latencytop.h | |
| parent | d820ac4c2fa881079e6b689d2098adce337558ae (diff) | |
| parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) | |
Merge branch 'linus' into locking-for-linus
Conflicts:
lib/Kconfig.debug
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); |