Messages in this thread | | | Date | Sun, 15 Jun 2003 20:59:38 +0200 | From | Antonio Vargas <> | Subject | Re: vmware strange scheduling priority |
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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?
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-- 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.
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