From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 00/10] in-kernel APIC v3 (kernel side) Date: Sun, 13 May 2007 15:38:23 +0300 Message-ID: <464706BF.6000808@qumranet.com> References: <20070510123831.10200.4769.stgit@novell1.haskins.net> <64F9B87B6B770947A9F8391472E032160BBA66AF@ehost011-8.exch011.intermedia.net> <4642E39D.BA47.005A.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Gregory Haskins Return-path: In-Reply-To: <4642E39D.BA47.005A.0-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Gregory Haskins wrote: > The load-average on my system is about 1 while XP is idling. qemu seems to be mostly at "0%" but will bounce up to 1% on occasion. Here is the output of "top -b -p " over a few seconds: > > top - 09:17:45 up 16:58, 3 users, load average: 1.02, 0.86, 0.42 > Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie > Cpu(s): 0.1%us, 0.2%sy, 0.0%ni, 99.5%id, 0.1%wa, 0.0%hi, 0.1%si, 0.0%st > Mem: 3994704k total, 2018980k used, 1975724k free, 70996k buffers > Swap: 2104472k total, 0k used, 2104472k free, 1148284k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 10359 ghaskins 15 0 598m 83m 75m S 0 2.1 1:37.87 qemu-system-x86 > A good test is to let Windows boot and idle itself, then compare the process cpu time under the TIME+ column with model-0 and model-1. Since the vast majority of exits in the scenario are hitting the tpr, I'd be unsurprised if the time if 50% lower or so. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/