netdev - Re: [PATCH net] net_sched: limit try_bulk_dequeue

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Message-ID: <CANn89iJ2eEtdYoyM=i57oK+LEQpUapnD+okGroh9PzTW7uANYg@mail.gmail.com>
Date: Tue, 18 Nov 2025 07:38:31 -0800
From: Eric Dumazet <edumazet@...gle.com>
To: Jamal Hadi Salim <jhs@...atatu.com>
Cc: kuba@...nel.org, davem@...emloft.net, pabeni@...hat.com, horms@...nel.org, 
	xiyou.wangcong@...il.com, jiri@...nulli.us, kuniyu@...gle.com, 
	willemb@...gle.com, netdev@...r.kernel.org, eric.dumazet@...il.com, 
	hawk@...nel.org, patchwork-bot+netdevbpf@...nel.org, toke@...hat.com
Subject: Re: [PATCH net] net_sched: limit try_bulk_dequeue_skb() batches

On Tue, Nov 18, 2025 at 7:33 AM Jamal Hadi Salim <jhs@...atatu.com> wrote:
>

> And the summary is: There's a very tiny regression - but it is not
> really noticeable. The test was in the 10Mpps+ and although the
> difference is consistent/repeatable it falls within margin of error of
> 1-2Kpps.
> So, it should be fine..
> Still interested in the questions i asked though ;->

If you do not care about latency spikes and want to squeeze every
possible bit from your NIC,
you can still increase /proc/sys/net/core/dev_weight as you like.