From mboxrd@z Thu Jan 1 00:00:00 1970 From: arno@natisbad.org (Arnaud Ebalard) Subject: Re: [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s Date: Tue, 12 Nov 2013 16:34:24 +0100 Message-ID: <87vbzxd473.fsf@natisbad.org> References: <8761s0cqhh.fsf@natisbad.org> <87y54u59zq.fsf@natisbad.org> <20131112083633.GB10318@1wt.eu> <87a9hagex1.fsf@natisbad.org> <20131112100126.GB23981@1wt.eu> Mime-Version: 1.0 Content-Type: text/plain Cc: Cong Wang , edumazet@google.com, stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org To: Willy Tarreau Return-path: In-Reply-To: <20131112100126.GB23981@1wt.eu> (Willy Tarreau's message of "Tue, 12 Nov 2013 11:01:26 +0100") Sender: stable-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hi, Willy Tarreau writes: > On Tue, Nov 12, 2013 at 10:14:34AM +0100, Arnaud Ebalard wrote: >> Tests for the rgression were done w/ scp, and were hence limited by the >> crypto (16MB/s using arcfour128). But I also did some tests w/ a simple >> wget for a file served by Apache *before* the regression and I never got >> more than 60MB/s from what I recall. Can you beat that? > > Yes, I finally picked my mirabox out of my bag for a quick test. It boots > off 3.10.0-rc7 and I totally saturate one port (stable 988 Mbps) with even > a single TCP stream. Thanks for the feedback. That's interesting. What are you using for your tests (wget, ...)? > With two systems, one directly connected (dockstar) and the other one via > a switch, I get 2*650 Mbps (a single TCP stream is enough on each). > > I'll have to re-run some tests using a more up to date kernel, but that > will probably not be today though. Can you give a pre-3.11.7 kernel a try if you find the time? I started working on RN102 during 3.10-rc cycle but do not remember if I did the first preformance tests on 3.10 or 3.11. And if you find more time, 3.11.7 would be nice too ;-) Cheers, a+ From mboxrd@z Thu Jan 1 00:00:00 1970 From: arno@natisbad.org (Arnaud Ebalard) Date: Tue, 12 Nov 2013 16:34:24 +0100 Subject: [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s In-Reply-To: <20131112100126.GB23981@1wt.eu> (Willy Tarreau's message of "Tue, 12 Nov 2013 11:01:26 +0100") References: <8761s0cqhh.fsf@natisbad.org> <87y54u59zq.fsf@natisbad.org> <20131112083633.GB10318@1wt.eu> <87a9hagex1.fsf@natisbad.org> <20131112100126.GB23981@1wt.eu> Message-ID: <87vbzxd473.fsf@natisbad.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Willy Tarreau writes: > On Tue, Nov 12, 2013 at 10:14:34AM +0100, Arnaud Ebalard wrote: >> Tests for the rgression were done w/ scp, and were hence limited by the >> crypto (16MB/s using arcfour128). But I also did some tests w/ a simple >> wget for a file served by Apache *before* the regression and I never got >> more than 60MB/s from what I recall. Can you beat that? > > Yes, I finally picked my mirabox out of my bag for a quick test. It boots > off 3.10.0-rc7 and I totally saturate one port (stable 988 Mbps) with even > a single TCP stream. Thanks for the feedback. That's interesting. What are you using for your tests (wget, ...)? > With two systems, one directly connected (dockstar) and the other one via > a switch, I get 2*650 Mbps (a single TCP stream is enough on each). > > I'll have to re-run some tests using a more up to date kernel, but that > will probably not be today though. Can you give a pre-3.11.7 kernel a try if you find the time? I started working on RN102 during 3.10-rc cycle but do not remember if I did the first preformance tests on 3.10 or 3.11. And if you find more time, 3.11.7 would be nice too ;-) Cheers, a+