RE: [Xen-devel] million cycle interrupt

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

use "maxcpus=" in your grub.conf.

Thanks
Kevin

>From: Dan Magenheimer
>Sent: 2009年4月14日 4:24
>
>Thanks Aravindh!
>
>Hmmm... I'm suspicious of this.  When compiled with
>max_phys_cpus=4, xm info shows nr_cpus=4, nr_nodes=1,
>cores_per_socket=1 and threads_per_core=1.  Without
>this compile option, cores_per_socket=4 and
>threads_per_core=2... so I would expect only one
>of these to change.  Hopefully the compile option
>is simply changing the data reported by xm info.
>It appears the guest still is using 4 physical processors.
>
>> -----Original Message-----
>> From: Puthiyaparambil, Aravindh
>> [mailto:aravindh.puthiyaparambil@xxxxxxxxxx]
>> Sent: Monday, April 13, 2009 9:31 AM
>> To: Dan Magenheimer; Xen-Devel (E-mail)
>> Subject: RE: [Xen-devel] million cycle interrupt
>> 
>> 
>> >>Is there a way to cap the number of physical cpus seen by Xen
>> >>(other than nosmp to cap at one)?
>> 
>> There is a compile time option (max_phys_cpus) where you can 
>> specify the number of LCPUs.
>> 
>> Aravindh Puthiyaparambil
>> Virtualization Engineer
>> Virtual Systems Development
>> Unisys, Tredyffrin PA
>>
>
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