From: Andi Kleen <ak@muc.de>
To: 7eggert@gmx.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: /proc/cpuinfo format - arch dependent!
Date: Sun, 08 May 2005 15:24:30 +0200 [thread overview]
Message-ID: <m1zmv5voj5.fsf@muc.de> (raw)
In-Reply-To: <E1DUYnC-0001Hd-5g@be1.7eggert.dyndns.org> (Bodo Eggert's message of "Sun, 08 May 2005 01:33:05 +0200")
"Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>" <7eggert@gmx.de> writes:
>
> Obviously it must be a tree of CPU groups. CPUs in one NUMA node go into
> one group, multi-core CPUs have all cores in one group and HT is a group,
> too. This will scale from UP (degenerated tree with just one CPU) to
> clusters with multicore HT-capable CPUs on PCI boards.
All this informtation (except HT/multicore are folded into a single
level) is already there in sysfs.
libnuma uses it to discover the topology and report it to the
user.
-Andi
next prev parent reply other threads:[~2005-05-08 13:24 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
[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 ` /proc/cpuinfo format - arch dependent! Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>
2005-05-08 13:24 ` Andi Kleen [this message]
2005-04-19 12:15 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
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
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