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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: John Baldwin <jhb@freebsd.org>
References: <53fa490b0810071947j23fc0f72n5360b6f174ddc96d@mail.gmail.com>
	<200810081406.14916.jhb@freebsd.org>
Date: Wed, 08 Oct 2008 22:23:43 +0200
In-Reply-To: <200810081406.14916.jhb@freebsd.org> (John Baldwin's message of
	"Wed, 8 Oct 2008 14:06:14 -0400")
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Cc: freebsd-hackers@freebsd.org, ushasri tummala <tummala.ushasri@gmail.com>
Subject: Re: What is the time between 2 mi_switches in freebsd.
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John Baldwin <jhb@freebsd.org> writes:
> There isn't a fixed timeslice due to preemption for interrupts, etc.  How=
ever,=20
> the default time slice is available as the kern.sched.quantum sysctl:
>
> % sysctl -d kern.sched.quantum
> kern.sched.quantum: Roundrobin scheduling quantum in microseconds

des@ds4 ~% uname -a
FreeBSD ds4.des.no 8.0-CURRENT FreeBSD 8.0-CURRENT #48 r183493M: Tue Sep 30=
 23:35:48 CEST 2008     des@ds4.des.no:/usr/obj/usr/src/sys/ds4  amd64
des@ds4 ~% sysctl kern.sched.quantum
sysctl: unknown oid 'kern.sched.quantum'

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no