From: "J.A. Magallon" <jamagallon@able.es>
To: Robert Love <rml@tech9.net>
Cc: "Kuppuswamy, Priyadarshini" <Priyadarshini.Kuppuswamy@compaq.com>,
linux-kernel@vger.kernel.org
Subject: Re: system call for finding the number of cpus??
Date: Mon, 8 Apr 2002 23:51:58 +0200 [thread overview]
Message-ID: <20020408215158.GA13043@werewolf.able.es> (raw)
In-Reply-To: <6B003D25ADBDE347B5542AFE6A55B42E01A4451A@tayexc13.americas.cpqcorp.net> <1018301108.913.167.camel@phantasy>
On 2002.04.08 Robert Love wrote:
>On Mon, 2002-04-08 at 17:18, Kuppuswamy, Priyadarshini wrote:
>
>> I have a script that is using the /cpu/procinfo file to determine the
>> number of cpus present in the system. But I would like to implement it
>> using a system call rather than use the environment variables?? I couldn't
>> find a system call for linux that would give me the result. Could anyone
>> please let me know if there is one for redhat linux??
>
>Linux does not implement such a syscall. Note
>
How about this:
#include <sys/sysinfo.h>
...
//nproc = get_nprocs(); // Available processors
nproc = get_nprocs_conf(); // Configured processors (some can be down...)
(glibc 2.2.5, but i think it keeps working since time ago).
BTW, why linux does not implement sysconf(_SC_NPROC_[CONF,ONLN]) ??
TIA
--
J.A. Magallon # Let the source be with you...
mailto:jamagallon@able.es
Mandrake Linux release 8.3 (Cooker) for i586
Linux werewolf 2.4.19-pre6-jam1 #1 SMP Sun Apr 7 00:50:05 CEST 2002 i686
next prev parent reply other threads:[~2002-04-08 21:52 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
2002-04-09 14:28 ` Vince Weaver
2002-04-08 21:51 ` J.A. Magallon [this message]
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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