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/**
* @file timer_int.c
*
* @remark Copyright 2002 OProfile authors
* @remark Read the file COPYING
*
* @author John Levon <levon@movementarian.org>
*/
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/oprofile.h>
#include <linux/profile.h>
#include <linux/init.h>
#include <asm/ptrace.h>
#include "oprof.h"
static int timer_notify(struct pt_regs *regs)
{
oprofile_add_sample(regs, 0);
return 0;
}
static int timer_start(void)
{
return register_timer_hook(timer_notify);
}
static void timer_stop(void)
{
unregister_timer_hook(timer_notify);
}
void __init oprofile_timer_init(struct oprofile_operations *ops)
{
ops->create_files = NULL;
ops->setup = NULL;
ops->shutdown = NULL;
ops->start = timer_start;
ops->stop = timer_stop;
ops->cpu_type = "timer";
}
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