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On Wed, 2005-06-08 at 12:03 -0700, Siddha, Suresh B wrote: > > > By the way, in an SMT/hyperthreading processor, does the latest kernel > > > version assign one run queue per physical CPU, or per virtual > > > processor? > > > > > > > one run-queue per physical CPU > > No. Each logical processor has its own runqueue. I think it is also worth mentioning that the sched domains are used to help keep processes on the same physical CPU. Little cost associated to moving a process from one logical CPU to a sibling, where as there is a big cost in moving it to another physical CPU. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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