* Kirill Tkhai <[email protected]> [2014-06-11 13:52:10]: > > Currently migrate_tasks() skips throttled tasks, > because they are not pickable by pick_next_task(). >
Before migrate_tasks() is called, we do call set_rq_offline(), in migration_call(). Shouldnt this take care of unthrottling the tasks and making sure that they can be picked by pick_next_task(). > These tasks stay on dead cpu even after they > becomes unthrottled. They are not schedulable > till user manually changes their affinity or till > cpu becomes alive again. > If we are still seeing tasks not being picked by pick_next_task(), then can it probably mean that rq->rd was NULL? -- Thanks and Regards Srikar Dronamraju -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

