Messages in this thread | | | Date | Fri, 23 Jan 2009 21:33:37 -0500 | Subject | Re: [RT] [RFC] simple SMI detector | From | Lee Revell <> |
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On Fri, Jan 23, 2009 at 5:55 PM, Jon Masters <jcm@redhat.com> wrote: > Here's a simple SMI detector we've been playing around with internally. > In case anyone wants to play with it, and especially help clean it up :) > > SMI events are particularly unhelpful on Real Time systems because we > effectively have the CPU stolen from under us. We can't prevent this > easily without BIOS vendors/system vendor co-operation, but we can help > to diagnose and log that these are occuring...which can be very helpful > too. >
FYI the RTAI project has a patch to allow disabling of SMI:
https://listas.upv.es/pipermail/rtlinuxgpl/2007-April/000609.html
Lee
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