From: William Lee Irwin III <wli@holomorphy.com>
To: Dipankar Sarma <dipankar@in.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.38 vs. 2.5.38-mm1 dbench 512 oprofiles
Date: Mon, 23 Sep 2002 06:50:40 -0700 [thread overview]
Message-ID: <20020923135040.GZ3530@holomorphy.com> (raw)
In-Reply-To: <20020923144055.A29900@in.ibm.com>
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
prev parent reply other threads:[~2002-09-23 13:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-23 5:36 2.5.38 vs. 2.5.38-mm1 dbench 512 oprofiles William Lee Irwin III
2002-09-23 5:46 ` William Lee Irwin III
2002-09-23 9:10 ` Dipankar Sarma
2002-09-23 13:50 ` William Lee Irwin III [this message]
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