drivers/oprofile/oprof.h

   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 */