On Tue, 21 Jun 2016 23:16:49 -0700
Eric Dumazet wrote:
> Qdisc performance suffers when packets are dropped at enqueue()
> time because drops (kfree_skb()) are done while qdisc lock is held,
> delaying a dequeue() draining the queue.
>
> Nominal throughput can be reduced by 50 % when this happen
Qdisc performance suffers when packets are dropped at enqueue()
time because drops (kfree_skb()) are done while qdisc lock is held,
delaying a dequeue() draining the queue.
Nominal throughput can be reduced by 50 % when this happens,
at a time we would like the dequeue() to proceed as fast as poss
