linux/drivers/oprofile/oprof.h
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   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 super_block;
  34struct dentry;
  35
  36void oprofile_create_files(struct super_block *sb, struct dentry *root);
  37int oprofile_timer_init(struct oprofile_operations *ops);
  38#ifdef CONFIG_OPROFILE_NMI_TIMER
  39int op_nmi_timer_init(struct oprofile_operations *ops);
  40#else
  41static inline int op_nmi_timer_init(struct oprofile_operations *ops)
  42{
  43        return -ENODEV;
  44}
  45#endif
  46
  47
  48int oprofile_set_ulong(unsigned long *addr, unsigned long val);
  49int oprofile_set_timeout(unsigned long time);
  50
  51#endif /* OPROF_H */
  52
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