Contributors: 11
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
John Levon |
199 |
46.06% |
3 |
17.65% |
Adrian Bunk |
98 |
22.69% |
1 |
5.88% |
Ingo Molnar |
52 |
12.04% |
2 |
11.76% |
Nadia Yvette Chambers |
31 |
7.18% |
3 |
17.65% |
Paul Mundt |
18 |
4.17% |
1 |
5.88% |
Dave Hansen |
13 |
3.01% |
1 |
5.88% |
Sam Ravnborg |
8 |
1.85% |
1 |
5.88% |
Andrew Morton |
7 |
1.62% |
2 |
11.76% |
Jesse Barnes |
3 |
0.69% |
1 |
5.88% |
Al Viro |
2 |
0.46% |
1 |
5.88% |
Greg Kroah-Hartman |
1 |
0.23% |
1 |
5.88% |
Total |
432 |
|
17 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PROFILE_H
#define _LINUX_PROFILE_H
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/cpumask.h>
#include <linux/cache.h>
#include <asm/errno.h>
#define CPU_PROFILING 1
#define SCHED_PROFILING 2
#define SLEEP_PROFILING 3
#define KVM_PROFILING 4
struct proc_dir_entry;
struct pt_regs;
struct notifier_block;
#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
void create_prof_cpu_mask(void);
int create_proc_profile(void);
#else
static inline void create_prof_cpu_mask(void)
{
}
static inline int create_proc_profile(void)
{
return 0;
}
#endif
enum profile_type {
PROFILE_TASK_EXIT,
PROFILE_MUNMAP
};
#ifdef CONFIG_PROFILING
extern int prof_on __read_mostly;
/* init basic kernel profiler */
int profile_init(void);
int profile_setup(char *str);
void profile_tick(int type);
int setup_profiling_timer(unsigned int multiplier);
/*
* Add multiple profiler hits to a given address:
*/
void profile_hits(int type, 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);
}
struct task_struct;
struct mm_struct;
/* task is in do_exit() */
void profile_task_exit(struct task_struct * task);
/* task is dead, free task struct ? Returns 1 if
* the task was taken, 0 if the task should be freed.
*/
int profile_handoff_task(struct task_struct * task);
/* sys_munmap */
void profile_munmap(unsigned long addr);
int task_handoff_register(struct notifier_block * n);
int task_handoff_unregister(struct notifier_block * n);
int profile_event_register(enum profile_type, struct notifier_block * n);
int profile_event_unregister(enum profile_type, struct notifier_block * n);
struct pt_regs;
#else
#define prof_on 0
static inline int profile_init(void)
{
return 0;
}
static inline void profile_tick(int type)
{
return;
}
static inline void profile_hits(int type, void *ip, unsigned int nr_hits)
{
return;
}
static inline void profile_hit(int type, void *ip)
{
return;
}
static inline int task_handoff_register(struct notifier_block * n)
{
return -ENOSYS;
}
static inline int task_handoff_unregister(struct notifier_block * n)
{
return -ENOSYS;
}
static inline int profile_event_register(enum profile_type t, struct notifier_block * n)
{
return -ENOSYS;
}
static inline int profile_event_unregister(enum profile_type t, struct notifier_block * n)
{
return -ENOSYS;
}
#define profile_task_exit(a) do { } while (0)
#define profile_handoff_task(a) (0)
#define profile_munmap(a) do { } while (0)
#endif /* CONFIG_PROFILING */
#endif /* _LINUX_PROFILE_H */