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- #ifndef _LINUX_PROFILE_H
- #define _LINUX_PROFILE_H
-
- #ifdef __KERNEL__
-
- #include <linux/kernel.h>
- #include <linux/config.h>
- #include <linux/init.h>
- #include <linux/cpumask.h>
- #include <asm/errno.h>
-
- #define CPU_PROFILING 1
- #define SCHED_PROFILING 2
-
- struct proc_dir_entry;
- struct pt_regs;
-
- /* init basic kernel profiler */
- void __init profile_init(void);
- void profile_tick(int, struct pt_regs *);
- void profile_hit(int, void *);
- #ifdef CONFIG_PROC_FS
- void create_prof_cpu_mask(struct proc_dir_entry *);
- #else
- #define create_prof_cpu_mask(x) do { (void)(x); } while (0)
- #endif
-
- enum profile_type {
- PROFILE_TASK_EXIT,
- PROFILE_MUNMAP
- };
-
- #ifdef CONFIG_PROFILING
-
- struct notifier_block;
- 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);
-
- int register_timer_hook(int (*hook)(struct pt_regs *));
- void unregister_timer_hook(int (*hook)(struct pt_regs *));
-
- /* Timer based profiling hook */
- extern int (*timer_hook)(struct pt_regs *);
-
- struct pt_regs;
-
- #else
-
- 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)
-
- static inline int register_timer_hook(int (*hook)(struct pt_regs *))
- {
- return -ENOSYS;
- }
-
- static inline void unregister_timer_hook(int (*hook)(struct pt_regs *))
- {
- return;
- }
-
- #endif /* CONFIG_PROFILING */
-
- #endif /* __KERNEL__ */
-
- #endif /* _LINUX_PROFILE_H */
-