On Friday 08 September 2006 19:11, Brock, Anthony - NET wrote: > > -----Original Message----- > > From: Eugene Morozov > > Sent: Friday, September 08, 2006 9:55 AM > > Subject: [uml-user] Limit CPU usage > > > > Is it possible to limit CPU usage of an UML instance and processes > > running inside it? I've searched archives of this mailing lists and > > there're only several messages written more than year ago and it is > > not clear from these messages whether limiting cpu usage is possible > > with uml. > > The recommended solution to this issue is to set a priority for the UML > process. While not perfect, you can "nice" the process and give other > processes a higher priority. Several months ago I posted the source code > to a utility that allows individuals to chroot and "nice" processes. If > you're interested, it should be in the list archives. > > Of course this doesn't address I/O contention. In terms of actual > "limits", I don't believe this is currently available with a standard > install. However, you may be able to do something with grsecurity, > selinux, or something similar. ionice exists and works when CFQ scheduler is enabled, with recent host kernels. Chris Aker also posted a patch (time ago) for the UBD driver to make it limit itself (via a token bucket). -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade http://www.user-mode-linux.org/~blaisorblade Chiacchiera con i tuoi amici in tempo reale! http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com
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