From owner-freebsd-stable@FreeBSD.ORG Sat Sep 29 18:15:58 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A5E216A417 for ; Sat, 29 Sep 2007 18:15:58 +0000 (UTC) (envelope-from jos@catnook.com) Received: from lizzy.dyndns.org (209-204-188-132.dsl.static.sonic.net [209.204.188.132]) by mx1.freebsd.org (Postfix) with SMTP id ECBF513C455 for ; Sat, 29 Sep 2007 18:15:57 +0000 (UTC) (envelope-from jos@catnook.com) Received: (qmail 30385 invoked by uid 1000); 29 Sep 2007 18:16:18 -0000 Date: Sat, 29 Sep 2007 11:16:18 -0700 From: Jos Backus To: Pyun YongHyeon Message-ID: <20070929181618.GA30333@lizzy.catnook.local> Mail-Followup-To: Pyun YongHyeon , freebsd-hardware@freebsd.org, FreeBSD Stable References: <3aaaa3a0709231657r3264c873ife71800731608b03@mail.gmail.com> <20070924020116.GA36909@eos.sc1.parodius.com> <3aaaa3a0709240844j2603a050nd09bb5482a0f3c21@mail.gmail.com> <20070927065155.GE3692@cdnetworks.co.kr> <3aaaa3a0709271030k24892099ra3409ce6f5f7020f@mail.gmail.com> <20070928000656.GA7119@cdnetworks.co.kr> <3aaaa3a0709281105g1503fdbcu70910de6eae060a0@mail.gmail.com> <20070929012801.GA11457@cdnetworks.co.kr> <20070929022147.GA27590@lizzy.catnook.local> <20070929050240.GC11457@cdnetworks.co.kr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070929050240.GC11457@cdnetworks.co.kr> User-Agent: Mutt/1.5.16 (2007-06-09) Cc: FreeBSD Stable , freebsd-hardware@freebsd.org Subject: Re: nfe driver 6.2 stable X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: jos@catnook.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Sep 2007 18:15:58 -0000 On Sat, Sep 29, 2007 at 02:02:40PM +0900, Pyun YongHyeon wrote: > On Fri, Sep 28, 2007 at 07:21:47PM -0700, Jos Backus wrote: > > On Sat, Sep 29, 2007 at 10:28:01AM +0900, Pyun YongHyeon wrote: > > [snip] > > > ATM nfe(4)'s interrupt moderation mechanism doesn't seem to work > > > at all so nfe(4) generates too many interrupts. However I don't > > > think it wouldn't be major bottleneck of the performance. > > > > Could this be why (on -current) I had to enable polling on nfe0 to get rid of > > the choppy audio playback I was experiencing? > > > > Probably not. Maybe nfe(4) use shared interrupt. > Check the output of "vmstat -i". pcm0 and nfe0 share irq23: lizzy:~% vmstat -i interrupt total rate irq1: atkbd0 107296 0 irq6: fdc0 1 0 irq12: psm0 563936 1 irq22: atapci2 5293281 11 irq23: pcm0 nfe0 1225731 2 cpu0: timer 947413237 2000 Total 954603482 2015 lizzy:~% Both pcm0 and nfe0 are mobo devices. Is there any way to change the assigned interrupts? -- Jos Backus jos at catnook.com