| Subject | Re: [patch 08/15] sched: migrate throttled tasks on HOTPLUG | From | Peter Zijlstra <> | Date | Tue, 05 Apr 2011 15:28:12 +0200 |
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On Tue, 2011-03-22 at 20:03 -0700, Paul Turner wrote: > Throttled tasks are invisisble to cpu-offline since they are not eligible for > selection by pick_next_task(). The regular 'escape' path for a thread that is > blocked at offline is via ttwu->select_task_rq, however this will not handle a > throttled group since there are no individual thread wakeups on an unthrottle. > > Resolve this by unthrottling offline cpus so that threads can be migrated.
Fair enough, the flip side is that they all can again increase their debt by a whole tick, right?
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