From: Wei Liu <wei.liu2@citrix.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Jonathan Davies <Jonathan.Davies@citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Wei Liu <wei.liu2@citrix.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
"Stefano Stabellini" <stefano.stabellini@eu.citrix.com>,
netdev <netdev@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>,
"Paul Durrant" <paul.durrant@citrix.com>,
Christoffer Dall <christoffer.dall@linaro.org>,
Felipe Franciosi <felipe.franciosi@citrix.com>,
<linux-arm-kernel@lists.infradead.org>,
"David Vrabel" <david.vrabel@citrix.com>
Subject: Re: [Xen-devel] "tcp: refine TSO autosizing" causes performance regression on Xen
Date: Tue, 2 Jun 2015 10:52:37 +0100 [thread overview]
Message-ID: <20150602095237.GL19403@zion.uk.xensource.com> (raw)
In-Reply-To: <1429188136.7346.198.camel@edumazet-glaptop2.roam.corp.google.com>
Hi Eric
Sorry for coming late to the discussion.
On Thu, Apr 16, 2015 at 05:42:16AM -0700, Eric Dumazet wrote:
> 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.
>
Do I understand correctly that it's acceptable to you to double the size
of the buffer? If so I will send a patch to do that.
Wei.
> 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.
>
>
next prev parent reply other threads:[~2015-06-02 9:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <alpine.DEB.2.02.1504091344260.7690@kaball.uk.xensource.com>
2015-04-09 16:16 ` "tcp: refine TSO autosizing" causes performance regression on Xen Eric Dumazet
2015-04-09 16:36 ` Stefano Stabellini
2015-04-09 17:07 ` Eric Dumazet
2015-04-13 10:56 ` [Xen-devel] " George Dunlap
2015-04-13 13:38 ` Jonathan Davies
2015-04-13 13:49 ` Eric Dumazet
2015-04-15 13:43 ` George Dunlap
2015-04-15 16:38 ` Eric Dumazet
2015-04-15 17:23 ` George Dunlap
2015-04-15 17:29 ` Eric Dumazet
2015-04-15 17:41 ` George Dunlap
2015-04-15 17:52 ` Eric Dumazet
2015-04-15 17:55 ` Rick Jones
2015-04-15 18:08 ` Eric Dumazet
2015-04-15 18:19 ` Rick Jones
2015-04-15 18:32 ` Eric Dumazet
2015-04-15 20:08 ` [Xen-devel] " Rick Jones
2015-04-15 18:04 ` George Dunlap
2015-04-15 18:19 ` Eric Dumazet
2015-04-16 8:56 ` George Dunlap
2015-04-16 9:20 ` Daniel Borkmann
2015-04-16 10:01 ` George Dunlap
2015-04-16 12:42 ` Eric Dumazet
2015-04-20 11:03 ` George Dunlap
2015-06-02 9:52 ` Wei Liu [this message]
2015-06-02 16:16 ` Eric Dumazet
2015-04-16 9:22 ` David Laight
2015-04-16 10:57 ` George Dunlap
2015-04-15 17:41 ` Eric Dumazet
2015-04-15 17:58 ` Stefano Stabellini
2015-04-15 18:17 ` Eric Dumazet
2015-04-16 4:20 ` Herbert Xu
2015-04-16 4:30 ` Eric Dumazet
2015-04-16 11:39 ` George Dunlap
2015-04-16 12:16 ` Eric Dumazet
2015-04-16 13:00 ` Tim Deegan
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