From owner-svn-src-all@FreeBSD.ORG Wed Oct 29 18:10:40 2008 Return-Path: Delivered-To: svn-src-all@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 75154106568B; Wed, 29 Oct 2008 18:10:40 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from sippysoft.com (gk1.360sip.com [72.236.70.240]) by mx1.freebsd.org (Postfix) with ESMTP id 324628FC29; Wed, 29 Oct 2008 18:10:40 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from [192.168.1.23] (S0106001372fd1e07.vs.shawcable.net [70.71.2.169]) (authenticated bits=0) by sippysoft.com (8.13.8/8.13.8) with ESMTP id m9THum92082010 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 29 Oct 2008 10:56:49 -0700 (PDT) (envelope-from sobomax@sippysoft.com) Message-ID: <4908A3E0.8080005@sippysoft.com> Date: Wed, 29 Oct 2008 10:56:48 -0700 From: Maxim Sobolev Organization: Sippy Software, Inc. User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Bruce Evans References: <200810261858.m9QIw4YV091893@svn.freebsd.org> <200810271411.11813.jhb@freebsd.org> <20081028202701.E85964@delplex.bde.org> <4906ECC1.4080907@FreeBSD.org> <20081029220255.B4187@besplex.bde.org> In-Reply-To: <20081029220255.B4187@besplex.bde.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-head@FreeBSD.ORG, svn-src-all@FreeBSD.ORG, src-committers@FreeBSD.ORG, John Baldwin Subject: Re: svn commit: r184293 - in head/sys: amd64/amd64 i386/i386 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Oct 2008 18:10:40 -0000 Bruce Evans wrote: > lapic_timer_hz = hz = stathz = ~100 might be best. (Once we have > interrupted > at 100 Hz, there we can use this for hz at no extra cost in the emulator). In't there more overhead in full userland context switch implied by HZ 100 compared to (presumably)fast timer interrupt? Regards, -- Maksym Sobolyev Sippy Software, Inc. Internet Telephony (VoIP) Experts T/F: +1-646-651-1110 Web: http://www.sippysoft.com