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Date: Tue, 3 Apr 2007 10:44:57 -0700
From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Ulrich Drepper <drepper@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: getting processor numbers
Message-ID: <20070403174457.GA15704@linux-os.sc.intel.com>
References: <461286D6.2040407@redhat.com> <p73abxpz5u1.fsf@bingen.suse.de> <46128C1B.1090900@redhat.com> <20070403172736.GA23689@one.firstfloor.org> <46128F47.2010107@redhat.com>
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On Tue, Apr 03, 2007 at 10:30:47AM -0700, Ulrich Drepper wrote:
> Reading /proc/cpuinfo or /sys/devices/system/cpu reflects the
> current CPU count.

Not all of the cpu* directories in /sys/devices/system/cpu may be
online.

thanks,
suresh