sched: Provide iowait counters

[deliverable/linux.git] / kernel / sched_debug.c

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 70c7e0b79946eb7f8f79769e82e87db677c9196a..5ddbd08912678dad0a20711657f182e299faa032 100644 (file)
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -409,6 +409,8 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
        PN(se.wait_max);
        PN(se.wait_sum);
        P(se.wait_count);
+       PN(se.iowait_sum);
+       P(se.iowait_count);
        P(sched_info.bkl_count);
        P(se.nr_migrations);
        P(se.nr_migrations_cold);
@@ -479,6 +481,8 @@ void proc_sched_set_task(struct task_struct *p)
        p->se.wait_max                          = 0;
        p->se.wait_sum                          = 0;
        p->se.wait_count                        = 0;
+       p->se.iowait_sum                        = 0;
+       p->se.iowait_count                      = 0;
        p->se.sleep_max                         = 0;
        p->se.sum_sleep_runtime                 = 0;
        p->se.block_max                         = 0;