Messages in this thread | | | From | Andi Kleen <> | Subject | Re: sched_clock() uses are broken | Date | Tue, 2 May 2006 18:59:18 +0200 |
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On Tuesday 02 May 2006 18:54, Christopher Friesen wrote: > Andi Kleen wrote: > > > Agreed it's a problem, but probably a small one. At worst you'll get > > a small scheduling hickup every half year, which should be hardly > > that big an issue. > > Presumably this would be bad for soft-realtime embedded things. Set-top > boxes, etc.
SCHED_RR/FIFO are not affected. AFAIK it's only used by the interactivity detector in the normal scheduler. Worst case that happens is that a process is not detected to be interactive when it should once, which gives it only a small penalty. On the next time slice everything will be ok again.
-Andi
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