Messages in this thread | | | Date | Wed, 04 Jun 2008 11:24:01 -0700 | From | Max Krasnyansky <> | Subject | Re: Stop machine threads are getting preemted by the rt period enforcement |
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Peter Zijlstra wrote: > On Wed, 2008-06-04 at 11:07 -0700, Max Krasnyansky wrote: >> Peter, Ingo, >> >> Take a look at the report below (came up during isolcpu= remove discussions). >> >> It looks like stop_machine threads are getting forcefully preempted because >> they exceed their RT quanta. It's strange because rt period is pretty long. >> But given that disabling rt period logic solves the issue the machine was not >> really stuck. > > Yeah, I know, I'm already looking at this
I see. Does it look like a bug in the rt period logic ? Or did the stop_machine thread really run for a long time (in the report that you got that is) ?
Max
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