1 #ifndef _LINUX_PROFILE_H
2 #define _LINUX_PROFILE_H
6 #include <linux/kernel.h>
7 #include <linux/config.h>
8 #include <linux/init.h>
9 #include <linux/cpumask.h>
10 #include <asm/errno.h>
12 #define CPU_PROFILING 1
13 #define SCHED_PROFILING 2
15 struct proc_dir_entry;
17 struct notifier_block;
19 /* init basic kernel profiler */
20 void __init profile_init(void);
21 void profile_tick(int, struct pt_regs *);
22 void profile_hit(int, void *);
24 void create_prof_cpu_mask(struct proc_dir_entry *);
26 #define create_prof_cpu_mask(x) do { (void)(x); } while (0)
34 #ifdef CONFIG_PROFILING
39 /* task is in do_exit() */
40 void profile_task_exit(struct task_struct * task);
42 /* task is dead, free task struct ? Returns 1 if
43 * the task was taken, 0 if the task should be freed.
45 int profile_handoff_task(struct task_struct * task);
48 void profile_munmap(unsigned long addr);
50 int task_handoff_register(struct notifier_block * n);
51 int task_handoff_unregister(struct notifier_block * n);
53 int profile_event_register(enum profile_type, struct notifier_block * n);
54 int profile_event_unregister(enum profile_type, struct notifier_block * n);
56 int register_timer_hook(int (*hook)(struct pt_regs *));
57 void unregister_timer_hook(int (*hook)(struct pt_regs *));
59 /* Timer based profiling hook */
60 extern int (*timer_hook)(struct pt_regs *);
66 static inline int task_handoff_register(struct notifier_block * n)
71 static inline int task_handoff_unregister(struct notifier_block * n)
76 static inline int profile_event_register(enum profile_type t, struct notifier_block * n)
81 static inline int profile_event_unregister(enum profile_type t, struct notifier_block * n)
86 #define profile_task_exit(a) do { } while (0)
87 #define profile_handoff_task(a) (0)
88 #define profile_munmap(a) do { } while (0)
90 static inline int register_timer_hook(int (*hook)(struct pt_regs *))
95 static inline void unregister_timer_hook(int (*hook)(struct pt_regs *))
100 #endif /* CONFIG_PROFILING */
102 #endif /* __KERNEL__ */
104 #endif /* _LINUX_PROFILE_H */