From: Cong Wang <xiyou.wangcong@gmail•com>
To: netdev@vger•kernel.org
Subject: Re: TSQ accounting skb->truesize degrades throughput for large packets
Date: Mon, 9 Sep 2013 05:28:50 +0000 (UTC) [thread overview]
Message-ID: <l0jmai$qhd$1@ger.gmane.org> (raw)
In-Reply-To: 1378486840.31445.36.camel@edumazet-glaptop
On Fri, 06 Sep 2013 at 17:00 GMT, Eric Dumazet <eric.dumazet@gmail•com> wrote:
> On Fri, 2013-09-06 at 17:36 +0100, Zoltan Kiss wrote:
>
>> So I guess it would be good to revisit the default value of this
>> setting.
>
> If ixgbe requires 3 TSO packets in TX ring to get line rate, you also
> can tweak dev->gso_max_size from 65535 to 64000.
>
We observe similar regression on ixgbe driver, also virtio_net driver.
prev parent reply other threads:[~2013-09-09 5:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-06 10:16 TSQ accounting skb->truesize degrades throughput for large packets Wei Liu
2013-09-06 12:57 ` Eric Dumazet
2013-09-06 13:12 ` Wei Liu
2013-09-06 16:36 ` Zoltan Kiss
2013-09-06 16:56 ` Eric Dumazet
2013-09-09 9:27 ` Jason Wang
2013-09-09 13:47 ` Eric Dumazet
2013-09-10 7:45 ` Jason Wang
2013-09-10 12:35 ` Eric Dumazet
2013-09-06 17:00 ` Eric Dumazet
2013-09-07 17:21 ` Eric Dumazet
2013-09-09 21:41 ` Zoltan Kiss
2013-09-09 21:56 ` Eric Dumazet
[not found] ` <loom.20130921T045654-573@post.gmane.org>
[not found] ` <20130921150327.GA9078@zion.uk.xensource.com>
2013-09-22 2:36 ` [Xen-devel] " Cong Wang
2013-09-22 14:58 ` Eric Dumazet
2013-09-27 10:28 ` [PATCH] tcp: TSQ can use a dynamic limit Eric Dumazet
2013-09-27 15:08 ` Neal Cardwell
2013-09-29 15:41 ` Cong Wang
2013-10-01 3:52 ` David Miller
2013-09-09 5:28 ` Cong Wang [this message]
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