Re: 2.6.16rc5 'found' an extra CPU.

[Dave Jones]

On Wed, Mar 01, 2006 at 05:46:47PM -0500, Dave Jones wrote:
 > This amused me.
 > 
 > (17:43:34:davej@nemesis:~)$ ll /proc/acpi/processor/
 > total 0
 > dr-xr-xr-x 2 root root 0 Mar  1 17:43 CPU1/
 > dr-xr-xr-x 2 root root 0 Mar  1 17:43 CPU2/
 > dr-xr-xr-x 2 root root 0 Mar  1 17:43 CPU3/
 > (17:43:36:davej@nemesis:~)$

Digging further. I notice more oddities (or maybe I've just
misunderstood this -- corrections welcomed)

(17:59:02:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_id
0
(17:59:23:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_id
0

(17:59:38:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_siblings
00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
(17:59:47:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_siblings
00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002

Neither of these CPUs are HT / dual-core, so shouldn't these be the same ?

(18:00:04:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/thread_siblings
00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
(18:00:09:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/thread_siblings
00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002

Ditto ?

		Dave

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