Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753915Ab3EUOpI (ORCPT ); Tue, 21 May 2013 10:45:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40798 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753251Ab3EUOpH (ORCPT ); Tue, 21 May 2013 10:45:07 -0400 Date: Tue, 21 May 2013 16:45:49 +0200 From: Alexander Gordeev To: Mike Qiu Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, benh@kernel.crashing.org, tglx@linutronix.de Subject: Re: [PATCH 0/3] Enable multiple MSI feature in pSeries Message-ID: <20130521144548.GB21632@dhcp-26-207.brq.redhat.com> References: <1358235536-32741-1-git-send-email-qiudayu@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1358235536-32741-1-git-send-email-qiudayu@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1533 Lines: 34 On Tue, Jan 15, 2013 at 03:38:53PM +0800, Mike Qiu wrote: > The test results is shown by 'cat /proc/interrups': > CPU0 CPU1 CPU2 CPU3 > 16: 240458 261601 226310 200425 XICS Level IPI > 17: 0 0 0 0 XICS Level RAS_EPOW > 18: 10 0 3 2 XICS Level hvc_console > 19: 122182 28481 28527 28864 XICS Level ibmvscsi > 20: 506 7388226 108 118 XICS Level eth0 > 21: 6 5 5 5 XICS Level host1-0 > 22: 817 814 816 813 XICS Level host1-1 Hi Mike, I am curious if pSeries firmware allows changing affinity masks independently for multiple MSIs? I.e. in your example, would it be possible to assign IRQ21 and IRQ22 to different CPUs? Thanks! > LOC: 398077 316725 231882 203049 Local timer interrupts > SPU: 1659 919 961 903 Spurious interrupts > CNT: 0 0 0 0 Performance > monitoring interrupts > MCE: 0 0 0 0 Machine check exceptions -- Regards, Alexander Gordeev agordeev@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/