Messages in this thread |  | | Date | Mon, 8 Oct 2001 11:19:49 -0400 | Subject | Re: Context switch times | From | (bill davidsen) |
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In article <3BC067BB.73AF1EB5@welho.com> Mika.Liljeberg@welho.com wrote:
>Yes. However, you still want to balance the queues even if all CPUs are >100% utilized. It's a fairness issue. Otherwise you could have 1 task >running on one CPU and 49 tasks on another.
You say that as if it were a bad thing... I believe that if you have one long running task and many small tasks in the system CPU affinity will make that happen now. Obviously not if all CPUs are 100% loaded, and your 1 vs. 49 is unrealistic, but having a task stay with a CPU while trivia run on other CPU(s) is generally a good thing under certain load conditions, which I guess are no less likely than your example;-)
-- bill davidsen <davidsen@tmr.com> "If I were a diplomat, in the best case I'd go hungry. In the worst case, people would die." -- Robert Lipe - 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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