From owner-freebsd-hardware@FreeBSD.ORG Thu Nov 13 09:34:02 2008 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4A6861065672 for ; Thu, 13 Nov 2008 09:34:02 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from n70.bullet.mail.sp1.yahoo.com (n70.bullet.mail.sp1.yahoo.com [98.136.44.38]) by mx1.freebsd.org (Postfix) with SMTP id 0A8D98FC13 for ; Thu, 13 Nov 2008 09:34:02 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from [69.147.65.150] by n70.bullet.mail.sp1.yahoo.com with NNFMP; 13 Nov 2008 09:34:02 -0000 Received: from [69.147.84.116] by t7.bullet.mail.sp1.yahoo.com with NNFMP; 13 Nov 2008 09:34:01 -0000 Received: from [127.0.0.1] by omp208.mail.sp1.yahoo.com with NNFMP; 13 Nov 2008 09:34:01 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 967560.8973.bm@omp208.mail.sp1.yahoo.com Received: (qmail 79921 invoked by uid 60001); 13 Nov 2008 09:34:01 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Message-ID; b=XribIfV+jTG7A7j/NXI9Ps30gW2vLG6dtKZLhF3gMfrxnf10ZzPXH5EpHM/YZQ3Ar0lrhUvsSyzcWvo2f5dYJ/XWDiUkoE/+XjDDA6XfDPFHzBbcIzFvFI2q5bmfallVkYi1op2f9VRGaeBDm0AAfPP5qybTD34q50j5kSJ82j4=; X-YMail-OSG: wcYulVgVM1nOhSh5MJAW4q7UDMxBcaWST6tR6KSgPcnYnoXtqmojjUlQ4uy73LRwxxQjxpfNAfQd7l84.lwgNWBLhvIb3erEWZRJ6qu4oAuTTFOKkFV0Av4tcf74EirJcGIzAQ-- Received: from [58.71.34.137] by web45804.mail.sp1.yahoo.com via HTTP; Thu, 13 Nov 2008 01:34:01 PST X-Mailer: YahooMailRC/1155.20 YahooMailWebService/0.7.260.1 References: <704830.24415.qm@web45815.mail.sp1.yahoo.com> <20081113072610.GA13698@icarus.home.lan> <576266.41435.qm@web45812.mail.sp1.yahoo.com> <20081113074602.GB13938@icarus.home.lan> <366483.43588.qm@web45807.mail.sp1.yahoo.com> <20081113081936.GA14779@icarus.home.lan> Date: Thu, 13 Nov 2008 01:34:01 -0800 (PST) From: Won De Erick To: Jeremy Chadwick MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <527634.76455.qm@web45804.mail.sp1.yahoo.com> Cc: freebsd-hardware@freebsd.org Subject: Re: IRQ31 and IRQ32 on HPDL585 running FreeBSD 7.0 are consuming HIGH CPU usage X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Nov 2008 09:34:02 -0000 Jeremy Chadwick wrote: >> On Thu, Nov 13, 2008 at 12:07:37AM -0800, Won De Erick wrote: >> Noted on this, I will update you through this thread. >> >> However is there any possibility of the following: >> >> > I don't know if there's a way to split the interrupt request for each bce's Rx and Tx, >> > which means a total of four IRQs, and eventually four cores (or 4 CPUs) >> > for the transactions. With this way, the IDLE processors would be utilized. >> >> What I mean here is, for the two interfaces: >> >> one IRQ for bce0 Rx >> one IRQ for bce0 Tx >> one IRQ for bce1 Rx >> one IRQ for bce1 Tx > I can't even begin to imagine how this would be possible on any NIC. Yeah, but I can't also imagine how beneficial this idea when implemented.