From owner-freebsd-current@FreeBSD.ORG Sat Nov 20 10:55:16 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 374F216A4CE for ; Sat, 20 Nov 2004 10:55:16 +0000 (GMT) Received: from transport.cksoft.de (transport.cksoft.de [62.111.66.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 954CB43D46 for ; Sat, 20 Nov 2004 10:55:15 +0000 (GMT) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (localhost [127.0.0.1]) by transport.cksoft.de (Postfix) with ESMTP id 54DE01FF9AC; Sat, 20 Nov 2004 11:55:08 +0100 (CET) Received: by transport.cksoft.de (Postfix, from userid 66) id 5A1AB1FF91D; Sat, 20 Nov 2004 11:55:06 +0100 (CET) Received: by mail.int.zabbadoz.net (Postfix, from userid 1060) id 1E050156B6; Sat, 20 Nov 2004 10:51:28 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.int.zabbadoz.net (Postfix) with ESMTP id 1AF241539F; Sat, 20 Nov 2004 10:51:29 +0000 (UTC) Date: Sat, 20 Nov 2004 10:51:29 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@e0-0.zab2.int.zabbadoz.net To: Jeremie Le Hen In-Reply-To: <20041119120102.GM69710@obiwan.tataz.chchile.org> Message-ID: References: <20041119114233.C43B.SHINO@fornext.org> <20041119185315.C43D.SHINO@fornext.org> <20041119120102.GM69710@obiwan.tataz.chchile.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by AMaViS cksoft-s20020300-20031204bz on transport.cksoft.de cc: freebsd-current@freebsd.org cc: Shunsuke SHINOMIYA Subject: Re: interrupt moderation for if_* [was: serious networking (em) ...] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Nov 2004 10:55:16 -0000 On Fri, 19 Nov 2004, Jeremie Le Hen wrote: > > Hi, Jeremie, how is this? > > To disable Interrupt Moderation, sysctl hw.em?.int_throttle_valve=0. > > Great, I would have called it "int_throttle_ceil", but that's a detail > and my opinion is totally subjective. > > > However, because this patch is just made now, it is not fully tested. > > I'll give it a try this weekend although I won't be able to make > performance mesurements. when thinking about this could there be some "global" way for interrupt moderation; For if_sk there is this PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/41220 something 'unique' to all NIC drivers would be good I guess ? -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT