X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fprofile.h;h=1f2fea6640a49212338cb9193080844182147803;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=7593cb26969da508931bafc2af28246071f1463f;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/include/linux/profile.h b/include/linux/profile.h index 7593cb269..1f2fea664 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -6,80 +6,96 @@ #include #include #include +#include #include -/* parse command line */ -int __init profile_setup(char * str); +#define CPU_PROFILING 1 +#define SCHED_PROFILING 2 + +struct proc_dir_entry; +struct pt_regs; +struct notifier_block; /* init basic kernel profiler */ void __init profile_init(void); - -extern unsigned int * prof_buffer; -extern unsigned long prof_len; -extern unsigned long prof_shift; -extern int prof_on; - +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 { - EXIT_TASK, - EXIT_MMAP, - EXEC_UNMAP + PROFILE_TASK_EXIT, + PROFILE_MUNMAP }; #ifdef CONFIG_PROFILING -struct notifier_block; struct task_struct; struct mm_struct; /* task is in do_exit() */ -void profile_exit_task(struct task_struct * task); +void profile_task_exit(struct task_struct * task); -/* change of vma mappings */ -void profile_exec_unmap(struct mm_struct * mm); +/* 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); -/* exit of all vmas for a task */ -void profile_exit_mmap(struct mm_struct * mm); +/* sys_munmap */ +void profile_munmap(unsigned long addr); -int profile_event_register(enum profile_type, struct notifier_block * n); +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_profile_notifier(struct notifier_block * nb); -int unregister_profile_notifier(struct notifier_block * nb); +int register_timer_hook(int (*hook)(struct pt_regs *)); +void unregister_timer_hook(int (*hook)(struct pt_regs *)); -struct pt_regs; +/* Timer based profiling hook */ +extern int (*timer_hook)(struct pt_regs *); -/* profiling hook activated on each timer interrupt */ -void profile_hook(struct pt_regs * regs); +struct pt_regs; #else -static inline int profile_event_register(enum profile_type t, struct notifier_block * n) +static inline int task_handoff_register(struct notifier_block * n) { return -ENOSYS; } -static inline int profile_event_unregister(enum profile_type t, struct notifier_block * n) +static inline int task_handoff_unregister(struct notifier_block * n) { return -ENOSYS; } -#define profile_exit_task(a) do { } while (0) -#define profile_exec_unmap(a) do { } while (0) -#define profile_exit_mmap(a) do { } while (0) +static inline int profile_event_register(enum profile_type t, struct notifier_block * n) +{ + return -ENOSYS; +} -static inline int register_profile_notifier(struct notifier_block * nb) +static inline int profile_event_unregister(enum profile_type t, struct notifier_block * n) { return -ENOSYS; } -static inline int unregister_profile_notifier(struct notifier_block * nb) +#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; } -#define profile_hook(regs) do { } while (0) +static inline void unregister_timer_hook(int (*hook)(struct pt_regs *)) +{ + return; +} #endif /* CONFIG_PROFILING */