From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Hartkopp Subject: Re: [BULK]Re: [PATCH] can: fix loss of frames due to wrong assumption in raw_rcv Date: Mon, 06 Jul 2015 07:44:54 +0200 Message-ID: <559A15D6.2010704@hartkopp.net> References: <5585A104.1090201@gmx.at> <5585EC4D.40103@hartkopp.net> <5587D9DA.6000102@gmx.at> <5587E26A.1070000@hartkopp.net> <5588E6FB.5040903@optusnet.com.au> <55891263.3050704@hartkopp.net> <558A1244.3010908@optusnet.com.au> <558B0B6F.6010304@hartkopp.net> <558BBC92.6040906@peak-system.com> <840510251.4781629.1435224977567.JavaMail.open-xchange@patina.store> <55916EBC.2010807@hartkopp.net> <55980FCE.4030304@hartkopp.net> <559885DC.8040208@optusnet.com.au> <559975A2.9020300@hartkopp.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.218]:49882 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751349AbbGFFpQ (ORCPT ); Mon, 6 Jul 2015 01:45:16 -0400 In-Reply-To: <559975A2.9020300@hartkopp.net> Sender: linux-can-owner@vger.kernel.org List-ID: To: Tom Evans , Stephane Grosjean , Marc Kleine-Budde Cc: "linux-can@vger.kernel.org" , Manfred Schlaegl /me again On 05.07.2015 20:21, Oliver Hartkopp wrote: > With > > # echo 1 > /proc/irq/28/smp_affinity > > I assigned the IRQ 28 to CPU0 and it now looks like this: > > # cat /proc/interrupts > CPU0 CPU1 CPU2 CPU3 > 0: 23 0 0 0 IR-IO-APIC 2-edge timer > (..) > 28: 9072996 53480 766233 2125901 IR-PCI-MSI 327680-edge xhci_hcd > (..) > > and all the out-of-order receptions were totally gone! \o/ > I ran the test for 11 hours now (3 x 8000 = 24.000 frames/s). No single out-of-order frame this time - not even with the PCAN-USB. Cheers, Oliver