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Date:      Mon, 12 Oct 2009 01:11:15 +0200
From:      Attilio Rao <attilio@freebsd.org>
To:        Larry Rosenman <ler@lerctr.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Scheduler weirdness
Message-ID:  <3bbf2fe10910111611p2f48d89cpa80350980f4f03e4@mail.gmail.com>
In-Reply-To: <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org>
References:  <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org>

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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?

Attilio


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



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