From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: system call for finding the number of cpus??
Date: 8 Apr 2002 14:58:44 -0700 [thread overview]
Message-ID: <a8t3qk$cga$1@cesium.transmeta.com> (raw)
In-Reply-To: <6B003D25ADBDE347B5542AFE6A55B42E01A4451A@tayexc13.americas.cpqcorp.net> <1018301108.913.167.camel@phantasy> <20020408222742.A28352@infradead.org>
Followup to: <20020408222742.A28352@infradead.org>
By author: Christoph Hellwig <hch@infradead.org>
In newsgroup: linux.dev.kernel
>
> On Mon, Apr 08, 2002 at 05:25:08PM -0400, Robert Love wrote:
> > Linux does not implement such a syscall. Note
> >
> > cat /proc/cpuinfo | grep processor | wc -l
> >
> > works and is simple; you do not have to do it via script - execute it in
> > your C program, save the one-line output, and atoi() it.
>
> I guess there is at least one architecture on which it breaks..
> See http://people.nl.linux.org/~hch/cpuinfo/ for details.
>
Then that architecture should be fixed.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2002-04-08 22:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-08 21:18 system call for finding the number of cpus?? Kuppuswamy, Priyadarshini
2002-04-08 21:25 ` Robert Love
2002-04-08 21:27 ` Christoph Hellwig
2002-04-08 21:37 ` Mark Hahn
2002-04-08 22:02 ` Dr. David Alan Gilbert
2002-04-11 10:11 ` Rusty Russell
2002-04-08 21:58 ` H. Peter Anvin [this message]
2002-04-09 14:28 ` Vince Weaver
2002-04-08 21:51 ` J.A. Magallon
2002-04-08 22:59 ` David Ford
2002-04-08 21:56 ` Davide Libenzi
2002-04-08 21:58 ` J.A. Magallon
2002-04-08 22:08 ` Davide Libenzi
2002-04-09 1:12 ` Nicholas Miell
2002-04-09 15:37 ` Tigran Aivazian
-- strict thread matches above, loose matches on Subject: below --
2002-04-08 21:54 Kuppuswamy, Priyadarshini
2002-04-08 22:05 ` Davide Libenzi
2002-04-08 22:12 ` J.A. Magallon
2002-04-09 5:36 ` Bernd Eckenfels
2002-04-09 15:39 ` Tigran Aivazian
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