diff options
Diffstat (limited to 'include/linux/profile.h')
| -rw-r--r-- | include/linux/profile.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/profile.h b/include/linux/profile.h new file mode 100644 index 000000000000..11fbe9cec572 --- /dev/null +++ b/include/linux/profile.h @@ -0,0 +1,67 @@ +#ifndef _LINUX_PROFILE_H +#define _LINUX_PROFILE_H + +#ifdef __KERNEL__ + +#include <linux/kernel.h> +#include <linux/config.h> +#include <linux/init.h> +#include <asm/errno.h> + +/* parse command line */ +int __init profile_setup(char * str); + +/* init basic kernel profiler */ +void __init profile_init(void); + +extern unsigned int * prof_buffer; +extern unsigned long prof_len; +extern unsigned long prof_shift; + + +enum profile_type { + EXIT_TASK, + EXIT_MMAP, + EXEC_UNMAP +}; + +#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); + +/* change of vma mappings */ +void profile_exec_unmap(struct mm_struct * mm); + +/* exit of all vmas for a task */ +void profile_exit_mmap(struct mm_struct * mm); + +int profile_event_register(enum profile_type, struct notifier_block * n); + +int profile_event_unregister(enum profile_type, struct notifier_block * n); + +#else + +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_exit_task(a) do { } while (0) +#define profile_exec_unmap(a) do { } while (0) +#define profile_exit_mmap(a) do { } while (0) + +#endif /* CONFIG_PROFILING */ + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_PROFILE_H */ |
