Re: cannot compile sched_ule without options SMP

From: pluknet <pluknet_at_gmail.com>
Date: Fri, 1 May 2009 06:39:36 +0400
2009/5/1 Jeff Roberson <jroberson_at_jroberson.net>:
> On Thu, 30 Apr 2009, pluknet wrote:
>
>> 2009/4/30 Jeff Roberson <jroberson_at_jroberson.net>:
>>>
>>> On SMP machines you should now see output like this:
>>> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
>>> FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 SMT threads
>>>
>>> If you detect any irregularities with kern.sched.topology_spec or this
>>> dmesg
>>> line please report them.
>>>
>>
>> Hi, Jeff.
>>
>> I have such mismatch. This is an Intel E7200.
>>
>> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>> FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
>> cpu0 (BSP): APIC ID:  0
>> cpu1 (AP/HT): APIC ID:  1
>>
>> So it should be instead: 1 package(s) x 2 core(s)
>> cpu0 (BSP): APIC ID:  0
>> cpu1 (AP): APIC ID:  1
>
> Can you please repeat the following steps as I have done here:
>

(kgdb) p/x cpu_high
$1 = 0x2
(kgdb) p/x cpu_cores
$2 = 0x1
(kgdb) p/x cpu_logical
$3 = 0x2
(kgdb) p/x cpu_feature
$4 = 0xbfebfbff
(kgdb) p/x logical_cpus
$5 = 0x2
(kgdb) p/x hyperthreading_cpus
$6 = 0x2


-- 
wbr,
pluknet
Received on Fri May 01 2009 - 00:39:39 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:46 UTC