linux-kernel - Re: [patch] CFS scheduler, -v18

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Message-ID: <19f34abd0707030211r10f7ba04l6b749be5db4b7302@mail.gmail.com>
Date:	Tue, 3 Jul 2007 11:11:56 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] CFS scheduler, -v18

On 7/3/07, Ingo Molnar <mingo@...e.hu> wrote:
> does it still get more CPU time than you'd expect it to get? A reniced
> or SCHED_IDLE task will 'fill in' any idle time that it senses, so in
> itself it's not an anomaly if a task gets 50% and FEH fills in the
> remaining 50%. Does it still get CPU time if you start two CPU hogs:
>
>    for (( N=0; N < 2; N++ )); do ( while :; do :; done ) & done
>
> ? If yes, that would be an anomaly.

No, with this test, it gets the expected amount of CPU. Thanks for
clearing it up!

Vegard
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