[lttv.git] / trunk / tests / kernel / test-printk-effect.c

/* test-time-probe.c
 *
 * Test printk effect on timer interrupt.
 */


#include <linux/init.h>
#include <linux/module.h>
#include <linux/ltt-core.h>

#define NR_LOOPS 20000

static int ltt_test_init(void)
{
	unsigned int i;

	printk(KERN_ALERT "test init\n");
	
	for(i=0; i<NR_LOOPS; i++) {
		printk(KERN_ALERT "Flooding the console\n");
	}
	printk(KERN_ALERT "test end\n");
	
	return -EAGAIN; /* Fail will directly unload the module */
}

static void ltt_test_exit(void)
{
	printk(KERN_ALERT "test exit\n");
}

module_init(ltt_test_init)
module_exit(ltt_test_exit)

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_DESCRIPTION("Linux Trace Toolkit Test");
Commit	Line	Data
abbd00d3	1	/* test-time-probe.c
	2	*
	3	* Test printk effect on timer interrupt.
	4	*/
	5
	6
	7	#include <linux/init.h>
	8	#include <linux/module.h>
	9	#include <linux/ltt-core.h>
	10
	11	#define NR_LOOPS 20000
	12
	13	static int ltt_test_init(void)
	14	{
	15	unsigned int i;
	16
	17	printk(KERN_ALERT "test init\n");
	18
	19	for(i=0; i<NR_LOOPS; i++) {
	20	printk(KERN_ALERT "Flooding the console\n");
	21	}
	22	printk(KERN_ALERT "test end\n");
	23
	24	return -EAGAIN; /* Fail will directly unload the module */
	25	}
	26
	27	static void ltt_test_exit(void)
	28	{
	29	printk(KERN_ALERT "test exit\n");
	30	}
	31
	32	module_init(ltt_test_init)
	33	module_exit(ltt_test_exit)
	34
	35	MODULE_LICENSE("GPL");
	36	MODULE_AUTHOR("Mathieu Desnoyers");
	37	MODULE_DESCRIPTION("Linux Trace Toolkit Test");
	38