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-rw-r--r--kernel/sched/core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index fc177c06e490..2bc391a574e6 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6748,6 +6748,16 @@ 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) {
+ u64 ws = 0;
+ int i;
+
+ for_each_possible_cpu(i)
+ ws += schedstat_val(tg->se[i]->statistics.wait_sum);
+
+ seq_printf(sf, "wait_sum %llu\n", ws);
+ }
+
return 0;
}
#endif /* CONFIG_CFS_BANDWIDTH */