Messages in this thread |  | | From | kumon@flab ... | Date | Tue, 10 Oct 2000 21:25:31 +0900 | Subject | Re: Calling current() from interrupt context |
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Based of my measurement on i386 smp configuration,
If a system has plenty of runnable tasks, schedule() produces noticable amount of cache misses at runqueue-head traversing and the goodness calculations.
David S. Miller writes: > Some of us actually have instrumented it :-) I added a coloring > mechanism to the task/kstack allocator on sparc64. It made no > noticable difference whatsoever to any real life measurement I > attempted.
Did you slide task-struct itself?
-- Computer Systems Laboratory, Fujitsu Labs. kumon@flab.fujitsu.co.jp - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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