diff options
Diffstat (limited to 'include/linux/profile.h')
| -rw-r--r-- | include/linux/profile.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/profile.h b/include/linux/profile.h index acce53fd38b6..5670b340c4ef 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -6,10 +6,15 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/cpumask.h> +#include <linux/cache.h> + #include <asm/errno.h> +extern int prof_on __read_mostly; + #define CPU_PROFILING 1 #define SCHED_PROFILING 2 +#define SLEEP_PROFILING 3 struct proc_dir_entry; struct pt_regs; @@ -18,7 +23,24 @@ struct notifier_block; /* init basic kernel profiler */ void __init profile_init(void); void profile_tick(int); -void profile_hit(int, void *); + +/* + * Add multiple profiler hits to a given address: + */ +void profile_hits(int, void *ip, unsigned int nr_hits); + +/* + * Single profiler hit: + */ +static inline void profile_hit(int type, void *ip) +{ + /* + * Speedup for the common (no profiling enabled) case: + */ + if (unlikely(prof_on == type)) + profile_hits(type, ip, 1); +} + #ifdef CONFIG_PROC_FS void create_prof_cpu_mask(struct proc_dir_entry *); #else |