Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264173AbTFPSiL (ORCPT ); Mon, 16 Jun 2003 14:38:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264218AbTFPSiG (ORCPT ); Mon, 16 Jun 2003 14:38:06 -0400 Received: from 224.Red-217-125-129.pooles.rima-tde.net ([217.125.129.224]:11501 "HELO cocodriloo.com") by vger.kernel.org with SMTP id S264173AbTFPSfm (ORCPT ); Mon, 16 Jun 2003 14:35:42 -0400 Date: Sun, 15 Jun 2003 20:59:38 +0200 From: Antonio Vargas To: Peter Enderborg Cc: linux-kernel@vger.kernel.org Subject: Re: vmware strange scheduling priority Message-ID: <20030615185938.GA7689@wind.cocodriloo.com> References: <3EEE0EEA.9080208@hyglo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3EEE0EEA.9080208@hyglo.com> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1871 Lines: 52 On Mon, Jun 16, 2003 at 08:39:38PM +0200, Peter Enderborg wrote: > Im playing with vmware 4.0 workstation. And it do some strange > things. > I start vmware with nice and I got this: > 26499 pme 19 19 95980 93M 95020 R N 12 32.6 24.8 8:55 > vmware-vmx > 26439 pme 19 19 8416 8008 7692 R N 8 3.2 2.0 2:02 > vmware-vmx > 26492 pme 6 -10 95980 93M 95020 R < 12 2.6 24.8 0:34 > vmware-vmx > 26409 pme 19 19 4900 3916 2484 S N 0 1.0 1.0 0:29 > vmware > 26433 pme 5 -10 8416 8008 7692 S < 8 0.5 2.0 0:29 > vmware-vmx > 26493 pme 5 -10 8056 7268 6988 S < 0 0.5 1.8 0:20 > vmware-mks > 26495 pme 9 0 67672 65M 66888 S 0 0.2 17.4 0:11 > vmware-vmx > > > It have changed the prioority to -10 for some of its own tasks. How > can that be done? Its a non suid binary started > by a normal user. It's very ugly, but Im more intressted in how it > can be done. > The kernel is a 2.4.20. pure guessing here... vmware relies on having kernel modules instaled.. perhaps the do an ioctl to enter the module and then they spin off some threads with nice -10 from inside? > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- winden/network In fact, this is all you need to know to be a Caveman Database Programmer: A relational database is a big spreadsheet that several people can update simultaneously. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/