Messages in this thread | | | From | "Petr Vandrovec" <> | Date | Mon, 16 Jun 2003 21:31:23 +0200 | Subject | Re: vmware strange scheduling priority |
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On 15 Jun 03 at 20:59, Antonio Vargas wrote: > 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?
Nope. vmware-vmx is suid... Petr Vandrovec vandrove@vc.cvut.cz
P.S.: And if you play with default priority for VMware, do not complain that it is slow as a molase...
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