On Wed, Jul 04, 2018 at 11:27:27AM +0800, 王贇 wrote: > @@ -6788,6 +6790,12 @@ static int cpu_cfs_stat_show(struct seq_file *sf, void > *v) > seq_printf(sf, "nr_throttled %d\n", cfs_b->nr_throttled); > seq_printf(sf, "throttled_time %llu\n", cfs_b->throttled_time); > > + if (schedstat_enabled() && tg != &root_task_group) {
I put the variables here. > + for_each_possible_cpu(i) > + ws += schedstat_val(tg->se[i]->statistics.wait_sum); This doesn't quite work on 32bit archs, but I'm not sure I care enough to be bothered about that. > + seq_printf(sf, "wait_sum %llu\n", ws); > + }