From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Interrupt Assignment on host Date: Sun, 08 Nov 2009 10:50:09 +0200 Message-ID: <4AF68641.70102@redhat.com> References: <4AE8B499.7030201@rdsoftware.de> <4AEDAC47.8000908@redhat.com> <4AF322D7.8080509@rdsoftware.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------080006010908010505080609" Cc: "kvm@vger.kernel.org" To: Erik Rull Return-path: Received: from mx1.redhat.com ([209.132.183.28]:35621 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753165AbZKHIuX (ORCPT ); Sun, 8 Nov 2009 03:50:23 -0500 In-Reply-To: <4AF322D7.8080509@rdsoftware.de> Sender: kvm-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------080006010908010505080609 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 11/05/2009 09:09 PM, Erik Rull wrote: >> Can you describe how performance suffers? >> >> Please provide vmstat (for host int/sec) and "kvm_stat -l -f >> 'exits|irq_exits'" output. >> > > > I'm sorry, but my target system has no python installed. Any ideas how > to do that manually? Try the attached bash script. You'll want debugfs mounted on /sys/kernel/debug. -- error compiling committee.c: too many arguments to function --------------080006010908010505080609 Content-Type: text/plain; name="kvm_stat.bash" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="kvm_stat.bash" IyEvYmluL2Jhc2gKCnA9Ii9zeXMva2VybmVsL2RlYnVnL2t2bSIKCm9sZF9leGl0cz0wCm9s ZF9pcnFfZXhpdHM9MAoKd2hpbGUgOjsgZG8KICAgIGV4aXRzPSIkKGNhdCAiJHAvZXhpdHMi KSIKICAgIGlycV9leGl0cz0iJChjYXQgIiRwL2lycV9leGl0cyIpIgogICAgZF9leGl0cz0k KChleGl0cyAtIG9sZF9leGl0cykpCiAgICBkX2lycV9leGl0cz0kKChpcnFfZXhpdHMgLSBv bGRfaXJxX2V4aXRzKSkKICAgIHByaW50ZiAiJTEwZCAlMTBkXG4iICIkZF9leGl0cyIgIiRk X2lycV9leGl0cyIKICAgIHNsZWVwIDEKICAgIG9sZF9leGl0cz0iJGV4aXRzIgogICAgb2xk X2lycV9leGl0cz0iJGlycV9leGl0cyIKZG9uZQ== --------------080006010908010505080609--