perf events: Don't generate events for the idle task when exclude_idle is set

[safe/jmp/linux-2.6] / kernel / sched_idletask.c

diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
index 499672c..b133a28 100644 (file)
--- a/kernel/sched_idletask.c
+++ b/kernel/sched_idletask.c
@@ -6,7 +6,7 @@
  */
 
 #ifdef CONFIG_SMP
-static int select_task_rq_idle(struct task_struct *p, int sync)
+static int select_task_rq_idle(struct task_struct *p, int sd_flag, int flags)
 {
        return task_cpu(p); /* IDLE tasks as never migrated */
 }
@@ -14,7 +14,7 @@ static int select_task_rq_idle(struct task_struct *p, int sync)
 /*
  * Idle tasks are unconditionally rescheduled:
  */
-static void check_preempt_curr_idle(struct rq *rq, struct task_struct *p, int sync)
+static void check_preempt_curr_idle(struct rq *rq, struct task_struct *p, int flags)
 {
        resched_task(rq->idle);
 }
@@ -97,6 +97,11 @@ static void prio_changed_idle(struct rq *rq, struct task_struct *p,
                check_preempt_curr(rq, p, 0);
 }
 
+unsigned int get_rr_interval_idle(struct task_struct *task)
+{
+       return 0;
+}
+
 /*
  * Simple, special scheduling class for the per-CPU idle tasks:
  */
@@ -122,6 +127,8 @@ static const struct sched_class idle_sched_class = {
        .set_curr_task          = set_curr_task_idle,
        .task_tick              = task_tick_idle,
 
+       .get_rr_interval        = get_rr_interval_idle,
+
        .prio_changed           = prio_changed_idle,
        .switched_to            = switched_to_idle,