Re: [Xen-devel] Xen-4.5 Testing - Cache Monitoring Technology

[Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>]

On Thu, Nov 20, 2014 at 09:58:37AM +0000, Andrew Cooper wrote:
> Hi,
> 
> I have found myself a PSR-capable server and have been having a play
> with Xen-4.5
> 
> At a first pass, I can get some numbers out:
> 
> [root@blob ~]# xl psr-cmt-attach 0
> [root@blob ~]# xl psr-cmt-show cache_occupancy
> Total RMID: 71
> Name                                        ID        Socket 0       
> Socket 1
> Total L3 Cache Size                                   46080 KB       
> 46080 KB
> Domain-0                                     0        45072
> KB            0 KB
> [root@blob ~]#
> 
> However, I am unable to get any occupancy information for HVM guests. 
> Given nothing obvious in the code which would make CMT PV-guest
> specific, I presume this is unexpected?
> 
> 
Thank your for trying...
But I just tested the HVM on my box and it runs correct.

Have you missed to run psr-cmt-attach for your HVM domain? Otherwise I
think there may be something wrong.

The cmt itself should not be PV-specific.

Chao
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel