| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /** | 
 | 2 |  * @file oprof.h | 
 | 3 |  * | 
 | 4 |  * @remark Copyright 2002 OProfile authors | 
 | 5 |  * @remark Read the file COPYING | 
 | 6 |  * | 
 | 7 |  * @author John Levon <levon@movementarian.org> | 
 | 8 |  */ | 
 | 9 |  | 
 | 10 | #ifndef OPROF_H | 
 | 11 | #define OPROF_H | 
 | 12 |  | 
 | 13 | int oprofile_setup(void); | 
 | 14 | void oprofile_shutdown(void); | 
 | 15 |  | 
 | 16 | int oprofilefs_register(void); | 
 | 17 | void oprofilefs_unregister(void); | 
 | 18 |  | 
 | 19 | int oprofile_start(void); | 
 | 20 | void oprofile_stop(void); | 
 | 21 |  | 
 | 22 | struct oprofile_operations; | 
 | 23 |  | 
 | 24 | extern unsigned long oprofile_buffer_size; | 
 | 25 | extern unsigned long oprofile_cpu_buffer_size; | 
 | 26 | extern unsigned long oprofile_buffer_watershed; | 
 | 27 | extern unsigned long oprofile_time_slice; | 
 | 28 |  | 
 | 29 | extern struct oprofile_operations oprofile_ops; | 
 | 30 | extern unsigned long oprofile_started; | 
 | 31 | extern unsigned long oprofile_backtrace_depth; | 
 | 32 |  | 
 | 33 | struct dentry; | 
 | 34 |  | 
 | 35 | void oprofile_create_files(struct dentry *root); | 
 | 36 | int oprofile_timer_init(struct oprofile_operations *ops); | 
 | 37 | #ifdef CONFIG_OPROFILE_NMI_TIMER | 
 | 38 | int op_nmi_timer_init(struct oprofile_operations *ops); | 
 | 39 | #else | 
 | 40 | static inline int op_nmi_timer_init(struct oprofile_operations *ops) | 
 | 41 | { | 
 | 42 | 	return -ENODEV; | 
 | 43 | } | 
 | 44 | #endif | 
 | 45 |  | 
 | 46 |  | 
 | 47 | int oprofile_set_ulong(unsigned long *addr, unsigned long val); | 
 | 48 | int oprofile_set_timeout(unsigned long time); | 
 | 49 |  | 
 | 50 | #endif /* OPROF_H */ |