Messages in this thread | | | Date | Mon, 23 Jul 2018 11:31:21 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2] tg: show the sum wait time of an task group |
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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); > + }
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