/arch/ia64/oprofile/init.c

 1/**
 2 * @file init.c
 3 *
 4 * @remark Copyright 2002 OProfile authors
 5 * @remark Read the file COPYING
 6 *
 7 * @author John Levon <levon@movementarian.org>
 8 */
 9
10#include <linux/kernel.h>
11#include <linux/oprofile.h>
12#include <linux/init.h>
13#include <linux/errno.h>
14 
15extern int perfmon_init(struct oprofile_operations * ops);
16extern void perfmon_exit(void);
17extern void ia64_backtrace(struct pt_regs * const regs, unsigned int depth);
18
19int __init oprofile_arch_init(struct oprofile_operations * ops)
20{
21	int ret = -ENODEV;
22
23#ifdef CONFIG_PERFMON
24	/* perfmon_init() can fail, but we have no way to report it */
25	ret = perfmon_init(ops);
26#endif
27	ops->backtrace = ia64_backtrace;
28
29	return ret;
30}
31
32
33void oprofile_arch_exit(void)
34{
35#ifdef CONFIG_PERFMON
36	perfmon_exit();
37#endif
38}