LXR linux/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
  13int oprofile_setup(void);
  14void oprofile_shutdown(void);
  15
  16int oprofilefs_register(void);
  17void oprofilefs_unregister(void);
  18
  19int oprofile_start(void);
  20void oprofile_stop(void);
  21
  22struct oprofile_operations;
  23
  24extern unsigned long oprofile_buffer_size;
  25extern unsigned long oprofile_cpu_buffer_size;
  26extern unsigned long oprofile_buffer_watershed;
  27extern unsigned long oprofile_time_slice;
  28
  29extern struct oprofile_operations oprofile_ops;
  30extern unsigned long oprofile_started;
  31extern unsigned long oprofile_backtrace_depth;
  32
  33struct dentry;
  34
  35void oprofile_create_files(struct dentry *root);
  36int oprofile_timer_init(struct oprofile_operations *ops);
  37#ifdef CONFIG_OPROFILE_NMI_TIMER
  38int op_nmi_timer_init(struct oprofile_operations *ops);
  39#else
  40static inline int op_nmi_timer_init(struct oprofile_operations *ops)
  41{
  42        return -ENODEV;
  43}
  44#endif
  45
  46
  47int oprofile_set_ulong(unsigned long *addr, unsigned long val);
  48int oprofile_set_timeout(unsigned long time);
  49
  50#endif /* OPROF_H */
  51