bc82195a |
1 | /* test-micro-loop-marker.c |
2 | * |
3 | * Execute a marker in a loop |
4 | */ |
5 | |
6 | #include <linux/marker.h> |
7 | #include <linux/module.h> |
8 | #include <linux/proc_fs.h> |
9 | #include <linux/sched.h> |
10 | #include <asm/ptrace.h> |
11 | #include <linux/timex.h> |
12 | #include <linux/string.h> |
13 | |
14 | #define NR_LOOPS 10000 |
15 | |
16 | |
17 | #define COPYLEN 4096 |
18 | char test[COPYLEN]; |
19 | char src[COPYLEN] = "aaaaaaaaaaaa"; |
20 | |
21 | struct proc_dir_entry *pentry = NULL; |
22 | |
23 | static int my_open(struct inode *inode, struct file *file) |
24 | { |
25 | MARK(subsys_mark1, "%d %p", 1, NULL); |
26 | |
27 | return -EPERM; |
28 | } |
29 | |
30 | |
31 | static struct file_operations my_operations = { |
32 | .open = my_open, |
33 | }; |
34 | |
35 | int init_module(void) |
36 | { |
37 | pentry = create_proc_entry("testmark", 0444, NULL); |
38 | if (pentry) |
39 | pentry->proc_fops = &my_operations; |
40 | |
41 | return 0; |
42 | } |
43 | |
44 | void cleanup_module(void) |
45 | { |
46 | remove_proc_entry("testmark", NULL); |
47 | } |
48 | |
49 | MODULE_LICENSE("GPL"); |
50 | MODULE_AUTHOR("Mathieu Desnoyers"); |
51 | MODULE_DESCRIPTION("Marker Test"); |
52 | |