On Sat, Aug 24, 2019 at 05:15:58PM +0800, Liangyan wrote:
> do_sched_cfs_period_timer() will refill cfs_b runtime and call
> distribute_cfs_runtime() to unthrottle cfs_rq, sometimes cfs_b->runtime
> will allocate all quota to one cfs_rq incorrectly.
> This will cause other cfs_rq can't get runtime
do_sched_cfs_period_timer() will refill cfs_b runtime and call
distribute_cfs_runtime() to unthrottle cfs_rq, sometimes cfs_b->runtime
will allocate all quota to one cfs_rq incorrectly.
This will cause other cfs_rq can't get runtime and will be throttled.
We find that one throttled cfs_rq has
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