Re: perf uncore & lkvm woes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 08/16/2012 03:19 PM, Peter Zijlstra wrote:
>> On Thu, 2012-08-16 at 10:01 +0300, Pekka Enberg wrote:
>>> Has anyone seen this? It's kvmtool/next with 3.6.0-rc1. Looks like we
>>> are doing uncore_init() on virtualized CPU which breaks boot.
>>
>> I think you're the first.. I don't normally use kvm if I can at all
>> avoid it.
>>
>> But I think its a 'simple' matter of kvm not emulating the entire
>> hardware. Afaik the uncore isn't enumerated and we simply assume MSR
>> presence based on cpu model.

On Thu, Aug 16, 2012 at 10:38 AM, Yan, Zheng
<zheng.z.yan@xxxxxxxxxxxxxxx> wrote:
> The Intel uncore doc does not specify how to check if uncore exist.
> How about disabling uncore on virtualized CPU?

(CC'ing Avi.)
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux