From: Roy Dragseth <Roy.Dragseth@cc.uit.no>
To: linux-ia64@vger.kernel.org
Subject: Re: Probing for physical number of cpus.
Date: Thu, 03 Nov 2005 08:10:34 +0000 [thread overview]
Message-ID: <200511030910.34808.Roy.Dragseth@cc.uit.no> (raw)
In-Reply-To: <200510281318.51532.Roy.Dragseth@cc.uit.no>
On Friday 28 October 2005 14:43, Andreas Schwab wrote:
> Roy Dragseth <Roy.Dragseth@cc.uit.no> writes:
> > Do anyone know how to figure out the physical number of cpus in an ia64
> > system? No, /proc/cpuinfo wont do because the kernel is booted with
> > maxcpus=1.
>
> Read and parse the ACPI tables off of /dev/mem, starting with the address
> from /sys/firmware/efi/systab.
Yikes! Thanks for the answer. I've been toying around with pmtools/acpidump
which gives me a text dump, but I'm still a bit confused (to say the least).
r.
--
The Computer Center, University of Tromsø, N-9037 TROMSØ Norway.
phone:+47 77 64 41 07, fax:+47 77 64 41 00
Roy Dragseth, High Performance Computing System Administrator
Direct call: +47 77 64 62 56. email: royd@cc.uit.no
next prev parent reply other threads:[~2005-11-03 8:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-28 11:18 Probing for physical number of cpus Roy Dragseth
2005-10-28 12:43 ` Andreas Schwab
2005-11-03 8:10 ` Roy Dragseth [this message]
2005-11-03 21:06 ` Ashok Raj
2005-11-07 10:20 ` Roy Dragseth
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