From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FTNSj-0004Mn-QL for qemu-devel@nongnu.org; Tue, 11 Apr 2006 14:19:37 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FTNSj-0004MT-06 for qemu-devel@nongnu.org; Tue, 11 Apr 2006 14:19:37 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTNSi-0004MQ-Sp for qemu-devel@nongnu.org; Tue, 11 Apr 2006 14:19:36 -0400 Received: from [81.209.188.70] (helo=dd3532.kasserver.com) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FTNXd-0005Jg-Ls for qemu-devel@nongnu.org; Tue, 11 Apr 2006 14:24:41 -0400 Received: from [192.168.178.120] (p5081397D.dip0.t-ipconnect.de [80.129.57.125]) by dd3532.kasserver.com (Postfix) with ESMTP id 036CFCC382 for ; Tue, 11 Apr 2006 20:19:34 +0200 (CEST) Message-ID: <443BF331.4080400@helmutauer.de> Date: Tue, 11 Apr 2006 20:19:29 +0200 From: Helmut Auer MIME-Version: 1.0 Subject: Re: [Qemu-devel] Network Performance between Win Host and Linux References: <6fe044190604111020h47108190x23983325567fb51c@mail.gmail.com> <200604111828.29361.paul@codesourcery.com> <6fe044190604111049j186d7c44oea9568ce1a8b54f3@mail.gmail.com> In-Reply-To: <6fe044190604111049j186d7c44oea9568ce1a8b54f3@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hello > In my case, the guest CPU is idle. The host CPU utilization is only 5 > or 10 percent when running "find / -print > /dev/null" on the guest. > So I don't think guest interrupt latency is the issue for me in this > case. > In my environment the performance of about 300 KB is the good case, that means the cpu is idle. When the cpu is busy it degrades to20 KB in the worst case. As I said before, with the tap-patched qemu 0.7.2 it is about 10 times faster. -- Helmut Auer, helmut@helmutauer.de