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Re: [Xen-devel] "tcp: refine TSO autosizing" causes performance regression on Xen
- To: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
- From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
- Date: Thu, 16 Apr 2015 05:42:16 -0700
- Cc: Jonathan Davies <Jonathan.Davies@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, 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: Thu, 16 Apr 2015 12:42:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Thu, 2015-04-16 at 11:01 +0100, George Dunlap wrote:
> He suggested that after he'd been prodded by 4 more e-mails in which two
> of us guessed what he was trying to get at. That's what I was
> complaining about.
My big complain is that I suggested to test to double the sysctl, which
gave good results.
Then you provided a patch using a 8x factor. How does that sound ?
Next time I ask a raise, I should try a 8x factor as well, who knows,
it might be accepted.
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