Re: [PATCH] V-3.0 Single Priority Array O(1) CPU Scheduler Evaluation
From: Peter Williams
Date: Mon Aug 02 2004 - 19:43:35 EST
William Lee Irwin III wrote:
On Mon, Aug 02, 2004 at 04:31:46PM +1000, Peter Williams wrote:
3. Priority based O(1) scheduler with active/expired arrays replaced by
a single array and an O(1) promotion mechanism plus scheduling
statistics with new interactive bonus mechanism and throughput bonus
mechanism:
Hmm. Given do_promotions() I'd expect fenceposts, not iteration over
the priority levels of the runqueue.
I don't understand what you mean. Do you mean something like the more
complex promotion mechanism in the (earlier) EBS scheduler where tasks
only get promoted if they've been on a queue without being serviced
within a given time?
Peter
--
Peter Williams pwil3058@xxxxxxxxxxxxxx
"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
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