Per sched_stat_sleep definition in sched.h, it should include iowait case. This can also relect the design of sum_sleep_runtime statistic, as this counter also includes the io_wait.
Signed-off-by: Yong Yang <[email protected]> --- kernel/sched/fair.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d113c3b..85677bf 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3018,6 +3018,8 @@ static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se) se->statistics.sum_sleep_runtime += delta; if (tsk) { + trace_sched_stat_sleep(tsk, delta); + if (tsk->in_iowait) { se->statistics.iowait_sum += delta; se->statistics.iowait_count++; -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
