linux-kernel - Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

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Message-ID: <r63b48bukv.fsf@skye.ra.phy.cam.ac.uk>
Date:	13 Mar 2007 23:19:12 +0000
From:	Sanjoy Mahajan <sanjoy@...o.cam.ac.uk>
To:	Xavier Bestel <xavier.bestel@...e.fr>
Cc:	Con Kolivas <kernel@...ivas.org>, ck@....kolivas.org,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

> a previous discussion that said 4 was the default...I don't see
> why. nice uses +10 by default on all linux distro...So I suspect
> that if Mike just used "nice lame" instead of "nice +5 lame", he
> would have got what he wanted.

tcsh, and probably csh, has a builtin 'nice' with default +4.  So

  tcsh% nice ps -l

will show a process with nice +4.  If you tell it not to use the builtin,

  tcsh% \nice ps -l

then it uses /usr/bin/nice and you get +10.  bash doesn't have a nice
builtin, so it always uses /usr/bin/nice and you get +10 by default.

-Sanjoy

`Not all those who wander are lost.' (J.R.R. Tolkien)
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