mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-29 22:14:41 +08:00
39 lines
765 B
C
39 lines
765 B
C
/**
|
|
* @file init.c
|
|
*
|
|
* @remark Copyright 2002 OProfile authors
|
|
* @remark Read the file COPYING
|
|
*
|
|
* @author John Levon <levon@movementarian.org>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/oprofile.h>
|
|
#include <linux/init.h>
|
|
#include <linux/errno.h>
|
|
|
|
extern int perfmon_init(struct oprofile_operations *ops);
|
|
extern void perfmon_exit(void);
|
|
extern void ia64_backtrace(struct pt_regs * const regs, unsigned int depth);
|
|
|
|
int __init oprofile_arch_init(struct oprofile_operations *ops)
|
|
{
|
|
int ret = -ENODEV;
|
|
|
|
#ifdef CONFIG_PERFMON
|
|
/* perfmon_init() can fail, but we have no way to report it */
|
|
ret = perfmon_init(ops);
|
|
#endif
|
|
ops->backtrace = ia64_backtrace;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
void oprofile_arch_exit(void)
|
|
{
|
|
#ifdef CONFIG_PERFMON
|
|
perfmon_exit();
|
|
#endif
|
|
}
|