linux-kernel - Re: Add rq->nr_uninterruptible count to dest cpu's rq while CPU goes down.

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Message-ID: <CADZ9YHgNhTGWicX0kFfrNoL17JkxfZcXryqqa-wHLVLh05SvAg@mail.gmail.com>
Date:	Fri, 17 Aug 2012 19:39:16 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...nel.org, linux-kernel@...r.kernel.org,
	paulmck <paulmck@...ux.vnet.ibm.com>
Subject: Re: Add rq->nr_uninterruptible count to dest cpu's rq while CPU goes down.

On 8/16/12, Peter Zijlstra <peterz@...radead.org> wrote:
> On Thu, 2012-08-16 at 21:32 +0600, Rakib Mullick wrote:
>> And also I think migrate_nr_uninterruptible() is meaning less too.
>
> Hmm, I think I see a problem.. we forget to migrate the effective delta
> created by rq->calc_load_active.
>
And rq->calc_load_active needs to be migrated to the proper dest_rq
not like currently picking any random rq.
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