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From: Stanislav Meduna <stano@meduna.org>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] sysconf(_SC_NPROCESSORS_CONF) returning zero
Date: Mon, 04 Aug 2008 22:59:36 +0200	[thread overview]
Message-ID: <48976DB8.3020001@meduna.org> (raw)
In-Reply-To: <20080804203319.GA14732@c2.user-mode-linux.org>

Jeff Dike wrote:

> sysconf seems to be looking at /proc/stat, which looks like this here:
> 
> 	cpu  80 0 157 12771 984 0 0 0 0
> 	cpu0 80 0 157 12771 984 0 0 0 0
> 	intr 15259 12519 0 75 0 2590 0 0 0 0 0 0 74 0 0 1
> 	ctxt 8081
> 	btime 1217881784
> 	processes 1144
> 	procs_running 3
> 	procs_blocked 0
> 
> I'd guess it's looking at the cpu0 (and cpu<n>) lines.

# cat /proc/stat
cpu  38822 537 3376 46871329 174924 0 9 0 0
cpu0 38822 537 3376 46871329 174924 0 9 0 0
intr 47644940 47088997 0 5 0 395871 160067 0 0 0 0 0 0 0 0 0
ctxt 9822902
btime 1217412992
processes 26529
procs_running 2
procs_blocked 0


Hmmm... so I have cpu0 similar to yours. What version
of UML and libc do you have?

-- 
                                   Stano

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  reply	other threads:[~2008-08-04 21:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-04 13:58 [uml-devel] sysconf(_SC_NPROCESSORS_CONF) returning zero Stanislav Meduna
2008-08-04 20:33 ` Jeff Dike
2008-08-04 20:59   ` Stanislav Meduna [this message]
2008-08-04 21:47     ` Jeff Dike
2008-08-04 22:06       ` Stanislav Meduna
2008-08-04 22:07       ` Ingo van Lil

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