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From: Bill Davidsen <davidsen@tmr.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Ricky Beam <jfbeam@bluetronic.net>,
	nico-kernel@schottelius.org, linux-kernel@vger.kernel.org
Subject: Re: /proc/cpuinfo format - arch dependent!
Date: Mon, 09 May 2005 14:03:21 -0400	[thread overview]
Message-ID: <427FA5E9.4080409@tmr.com> (raw)
In-Reply-To: <20050506211455.3d2b3f29.akpm@osdl.org>

Andrew Morton wrote:
> Ricky Beam <jfbeam@bluetronic.net> wrote:
> 
>>Short of a kernel module to export the kernel variables, that's the only
>> damned way to find the number of cpus in a Linux system.
> 
> 
> Question is: do you need to know the number of CPUs (why?) or do you need
> to know the number of CPUs which you're currently allowed to use or do you
> need to know the maximum number of CPUs which you are allowed to bind
> yourself to, or what?

I can see responsible programs checking Ncpu before deciding how many 
threads to start, so it seems that some accurate info could be useful in 
the real world.

-- 
    -bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
  last possible moment - but no longer"  -me

  parent reply	other threads:[~2005-05-09 18:03 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-19 12:15 /proc/cpuinfo format - arch dependent! Nico Schottelius
2005-04-19 13:24 ` Lennart Sorensen
2005-04-19 19:17   ` Lee Revell
2005-04-19 20:00     ` Nico Schottelius
2005-04-19 20:02       ` David S. Miller
2005-04-19 20:12       ` Lennart Sorensen
2005-04-19 20:42       ` Lee Revell
2005-04-19 20:54         ` Nico Schottelius
2005-04-19 21:12           ` Grzegorz Kulewski
2005-04-20 20:31   ` Ralf Baechle
2005-05-07  3:37 ` Ricky Beam
2005-05-07  4:01   ` Stefan Smietanowski
2005-05-07  7:55     ` Ricky Beam
2005-05-07 17:51       ` Stefan Smietanowski
2005-05-07 18:05         ` Ricky Beam
2005-05-07 18:46           ` Dr. David Alan Gilbert
2005-05-07  4:14   ` Andrew Morton
2005-05-07  7:58     ` Willy Tarreau
2005-05-07 16:53       ` Dave Jones
2005-05-07 17:05         ` Willy Tarreau
2005-05-07 17:20           ` Dave Jones
2005-05-07 17:18             ` Willy Tarreau
2005-05-08  1:25             ` Jim Nance
2005-05-08 16:11               ` John Kacur
2005-05-09 18:14               ` Bill Davidsen
2005-05-09 20:09                 ` Chris Friesen
2005-05-09 20:26                   ` Lennart Sorensen
2005-05-09 21:25                     ` Brian O'Mahoney
2005-05-10 16:21                   ` Bill Davidsen
2005-05-10 16:34                     ` Chris Friesen
2005-05-10  2:23                 ` Jim Nance
2005-05-10  4:12                   ` Willy Tarreau
2005-05-10  7:13                   ` Paul Jackson
2005-05-10 16:34                   ` Bill Davidsen
2005-05-07 17:54       ` Stefan Smietanowski
2005-05-07 18:05         ` Willy Tarreau
2005-05-09 18:03     ` Bill Davidsen [this message]
2005-05-10  7:21     ` Paul Jackson
2005-05-10 14:38       ` Lennart Sorensen
2005-05-10 16:37         ` Bill Davidsen
2005-05-09 18:00   ` Bill Davidsen
2005-05-09 19:58     ` Lennart Sorensen
2005-05-10 16:49       ` Bill Davidsen
     [not found] <3UZS7-5ue-17@gated-at.bofh.it>
     [not found] ` <41ouh-4QE-1@gated-at.bofh.it>
     [not found]   ` <41oXl-5hl-7@gated-at.bofh.it>
     [not found]     ` <41sxX-8cN-11@gated-at.bofh.it>
     [not found]       ` <41BL4-7l7-15@gated-at.bofh.it>
2005-05-07 23:33         ` Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>
2005-05-08 13:24           ` Andi Kleen

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