Re: 2.5.38 vs. 2.5.38-mm1 dbench 512 oprofiles

From: William Lee Irwin III (wli@holomorphy.com)
Date: Mon Sep 23 2002 - 08:50:40 EST


On Mon, Sep 23, 2002 at 06:02:15AM +0000, William Lee Irwin III wrote:
>> sorry real 2.5.38-mm1 profile:
>> c01053dc 884615995 93.5551 poll_idle
>> c0114c28 38573436 4.07944 load_balance

On Mon, Sep 23, 2002 at 02:40:55PM +0530, Dipankar Sarma wrote:
> Any idea why scheduler time shoot up with mm1 ? The RCU core
> patch (rcu_ltimer) in mm1 doesn't force any context switches, so it
> can't be that.

Basically, the time once spent in busywait becomes idle time.

Cheers,
Bill
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