wrapper/sched.c

   1 /*
   2  * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
   3  *
   4  * Wrapper around task_prio call.
   5  *
   6  * Dual LGPL v2.1/GPL v2 license.
   7  */
   8
   9 #include <linux/kallsyms.h>
  10 #include <linux/sched.h>
  11
  12 void (*wrapper_task_prio_sym)(struct task_struct *t);
  13
  14 int wrapper_task_prio_init(void)
  15 {
  16         wrapper_task_prio_sym = (void *) kallsyms_lookup_name("task_prio");
  17         if (!wrapper_task_prio_sym) {
  18                 printk(KERN_WARNING "LTTng: task_prio symbol lookup failed.\n");
  19                 return -EINVAL;
  20         }
  21         return 0;
  22 }