/* * Simple stack backtrace regression test module * * (C) Copyright 2008 Intel Corporation * Author: Arjan van de Ven <arjan@linux.intel.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; version 2 * of the License. */ #include <linux/module.h>#include <linux/sched.h>#include <linux/delay.h> static struct timer_list backtrace_timer; static void backtrace_test_timer(unsigned long data){	printk("Testing a backtrace from irq context.\n");	printk("The following trace is a kernel self test and not a bug!\n");	dump_stack();}static int backtrace_regression_test(void){	printk("====[ backtrace testing ]===========\n");	printk("Testing a backtrace from process context.\n");	printk("The following trace is a kernel self test and not a bug!\n");	dump_stack(); 	init_timer(&backtrace_timer);	backtrace_timer.function = backtrace_test_timer;	mod_timer(&backtrace_timer, jiffies + 10); 	msleep(10);	printk("====[ end of backtrace testing ]====\n");	return 0;} static void exitf(void){} module_init(backtrace_regression_test);module_exit(exitf);MODULE_LICENSE("GPL");MODULE_AUTHOR("Arjan van de Ven <arjan@linux.intel.com>");