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Re: [Xen-devel] "tcp: refine TSO autosizing" causes performance regression on Xen
- To: Eric Dumazet <eric.dumazet@xxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>
- From: Rick Jones <rick.jones2@xxxxxx>
- Date: Wed, 15 Apr 2015 10:55:16 -0700
- Cc: Jonathan Davies <Jonathan.Davies@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, netdev <netdev@xxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Paul Durrant <paul.durrant@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Felipe Franciosi <felipe.franciosi@xxxxxxxxxx>, Christoffer Dall <christoffer.dall@xxxxxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>
- Delivery-date: Wed, 15 Apr 2015 17:55:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Have you tested this patch on a NIC without GSO/TSO ?
This would allow more than 500 packets for a single flow.
Hello bufferbloat.
Woudln't the fq_codel qdisc on that interface address that problem?
rick
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