[ Adding Peter Zijlstra to this ]
-- Steve
On Mon, 27 Jul 2015 09:11:52 -0400
yangoliver <yang_oli...@hotmail.com> wrote:
> 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 <yangoli...@gmail.com>
> ---
> 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++;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
