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From: Meir Kriheli <mksoft@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] CPUs reported by /proc in SMP machines and different archs
Date: Sun, 28 Dec 2003 02:29:21 +0000	[thread overview]
Message-ID: <200312280229.28304.mksoft@gentoo.org> (raw)
In-Reply-To: <1072298427.3850.15.camel@icebook.darkstar.net>

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On Wednesday 24 December 2003 20:40, Kevyn Shortell wrote:
> On Wed, 2003-12-24 at 08:04, Meir Kriheli wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi,
> >
> > While going over the output of /proc/cpuinfo (among the rest) you've sent
> > for - -stats (10x for that), it seems that the kernel reports multiple
> > cpus in a different way for each arch, so some revision of the code is
> > needed.
> >
> > Question: is it granted that on multiple cpu machines (and different
> > archs) each cpu will have the same properties (e.g: Clock Speed) ?
> >
> > - From the S in SMP one would guess it's true, but I still need to be
> > sure.
> >
> > For x86 archs it reports each processor, while on other archs (alpha,
> > sparc) it jusr reports total num cpus (andone know the status on Macs ?)
>
> processor       : 0
> cpu             : PPC970, altivec supported
> clock           : 2000MHz
> revision        : 2.2
>
> processor       : 1
> cpu             : PPC970, altivec supported
> clock           : 2000MHz
> revision        : 2.2
> machine         : PowerMac7,2
> motherboard     : PowerMac7,2 MacRISC4 Power Macintosh
> detected as     : 336 (PowerMac G5)
> pmac flags      : 00000000
> memory          : 1024MB
> pmac-generation : NewWorld
>
>
> this is a much newer kernel so more closer to what you'd find out in the
> world.

10x for /proc/cpuinfo. Maybe I should rephrase the question:

Has anyone seen a multiple cpu machine with different properties for the cpus 
inside (clock speed etc) ?

- -- 
Meir Kriheli
MKsoft systems
http://www.mksoft.co.il
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gentoo-dev@gentoo.org mailing list


       reply	other threads:[~2003-12-28  1:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200312241605.06316.mksoft@gentoo.org>
     [not found] ` <1072298427.3850.15.camel@icebook.darkstar.net>
2003-12-28  2:29   ` Meir Kriheli [this message]
2003-12-28  6:18     ` [gentoo-dev] CPUs reported by /proc in SMP machines and different archs Bob Miller
2003-12-28  8:52     ` Philippe Lafoucrière

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