From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JqGky-0003ww-Rg for qemu-devel@nongnu.org; Sun, 27 Apr 2008 19:58:08 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JqGky-0003wC-59 for qemu-devel@nongnu.org; Sun, 27 Apr 2008 19:58:08 -0400 Received: from [199.232.76.173] (port=59913 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JqGkx-0003w3-P6 for qemu-devel@nongnu.org; Sun, 27 Apr 2008 19:58:07 -0400 Received: from hall.aurel32.net ([91.121.138.14]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JqGkx-0002zd-AU for qemu-devel@nongnu.org; Sun, 27 Apr 2008 19:58:07 -0400 Received: from volta.aurel32.net ([2002:52e8:2fb:1:21e:8cff:feb0:693b]) by hall.aurel32.net with esmtpsa (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1JqGkv-0001h6-Nj for qemu-devel@nongnu.org; Mon, 28 Apr 2008 01:58:05 +0200 Received: from localhost.aurel32.net ([127.0.0.1] ident=aurel32) by volta.aurel32.net with esmtp (Exim 4.69) (envelope-from ) id 1JqGkw-0006Id-UY for qemu-devel@nongnu.org; Mon, 28 Apr 2008 01:58:07 +0200 Message-ID: <4815130D.4050907@aurel32.net> Date: Mon, 28 Apr 2008 01:58:05 +0200 From: Aurelien Jarno MIME-Version: 1.0 Subject: Re: [Qemu-devel] Host CPU usage increased References: In-Reply-To: Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: 8bit 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 Sergey Bychkov a e'crit : > Some changes made last month led to increased CPU usage by host even > when guest OS is idle. > > This is found for x86_64 host with qemu-system-x86_64. > Qemu process uses about 20-50% of one CPU, as seen by htop. > Result doesn't depend on guest OS: Knoppix and Win2k3 tested, > It doesn't depend on details of host CPU - 2 different computers tested > - but they are both dual-core amd64-compatible intels. > Result doesn't depend on network, nor display configuration of guest. > This has been fixed in revision 4270. Cheers, Aurelien -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' aurel32@debian.org | aurelien@aurel32.net `- people.debian.org/~aurel32 | www.aurel32.net