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From: Rick Jones <rick.jones2@hp.com>
To: Eric Dumazet <eric.dumazet@gmail.com>,
	George Dunlap <george.dunlap@eu.citrix.com>
Cc: 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: Wed, 15 Apr 2015 10:55:16 -0700	[thread overview]
Message-ID: <552EA604.8010400@hp.com> (raw)
In-Reply-To: <1429120373.7346.125.camel@edumazet-glaptop2.roam.corp.google.com>

>
> 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


  reply	other threads:[~2015-04-15 17:55 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-09 15:46 "tcp: refine TSO autosizing" causes performance regression on Xen Stefano Stabellini
2015-04-09 16:16 ` 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 [this message]
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                             ` 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
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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