tests/kernel/test-mark.c

   1 /* test-mark.c
   2  *
   3  */
   4
   5 #include <linux/marker.h>
   6 #include <linux/module.h>
   7 #include <linux/proc_fs.h>
   8 #include <linux/sched.h>
   9
  10 int x=7;
  11
  12 struct proc_dir_entry *pentry = NULL;
  13
  14 static int my_open(struct inode *inode, struct file *file)
  15 {
  16         MARK(subsys_mark1, "%d", 1);
  17         MARK(subsys_mark2, "%d %s", 2, "blah2");
  18         MARK(subsys_mark3, "%d %s", x, "blah3");
  19
  20         return -EPERM;
  21 }
  22
  23
  24 static struct file_operations my_operations = {
  25         .open = my_open,
  26 };
  27
  28 int init_module(void)
  29 {
  30        pentry = create_proc_entry("testmark", 0444, NULL);
  31         if(pentry)
  32                 pentry->proc_fops = &my_operations;
  33         return 0;
  34 }
  35
  36 void cleanup_module(void)
  37 {
  38         remove_proc_entry("testmark", NULL);
  39 }
  40
  41 MODULE_LICENSE("GPL");
  42 MODULE_AUTHOR("Mathieu Desnoyers");
  43 MODULE_DESCRIPTION("Marker Test");
  44