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Date:      Sun, 11 Oct 2009 18:13:51 -0500
From:      "Larry Rosenman" <ler@lerctr.org>
To:        "Attilio Rao" <attilio@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Scheduler weirdness
Message-ID:  <100658409950385d656fb5d8030af744.squirrel@webmail.lerctr.org>
In-Reply-To: <3bbf2fe10910111611p2f48d89cpa80350980f4f03e4@mail.gmail.com>
References:  <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org> <3bbf2fe10910111611p2f48d89cpa80350980f4f03e4@mail.gmail.com>

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On Sun, October 11, 2009 6:11 pm, Attilio Rao wrote:
> 2009/10/12 Larry Rosenman <ler@lerctr.org>:
>>
>> Ok, running RELENG_8 from Friday (10/9/2009).
>>
>> If I have 4 Folding-at-home processes running (they nice themselves) the
>> system is slow as a dog.
>>
>> If I stop them, it's speedy.
>>
>> This is running SCHED_ULE
>>
>> is this expected?
>>
>> What can I do to help?
>
> Can you please produce the schedgraph output for this workload?
> Do you know how to setup it?

I'm not familiar with this.  What do I need to do?


>
> Attilio
>
>
> --
> Peace can only be achieved by understanding - A. Einstein
>


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893





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