Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-19 Thread Tim Deegan
At 14:09 +0800 on 19 Dec (1418994579), Chao Peng wrote: > On Thu, Dec 18, 2014 at 05:40:28PM +0100, Tim Deegan wrote: > > Hi, > > > > Thanks for posting this - it's very useful. I have a couple of > > questions about the interface design. > Thanks Tim. > > > > At 20:27 +0800 on 12 Dec (1418412477)

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-18 Thread Chao Peng
On Thu, Dec 18, 2014 at 05:40:28PM +0100, Tim Deegan wrote: > Hi, > > Thanks for posting this - it's very useful. I have a couple of > questions about the interface design. Thanks Tim. > > At 20:27 +0800 on 12 Dec (1418412477), Chao Peng wrote: > > Design Overview > > When enforcing cache allo

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-18 Thread Auld, Will
.com; stefano.stabell...@eu.citrix.com; Auld, > Will; xen-devel@lists.xen.org; dgde...@tycho.nsa.gov; k...@xen.org > Subject: Re: [Xen-devel] Cache Allocation Technology(CAT) design for > XEN > > >>> On 16.12.14 at 09:55, wrote: > > Any comments from you? It would be greatly

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-18 Thread Tim Deegan
Hi, Thanks for posting this - it's very useful. I have a couple of questions about the interface design. At 20:27 +0800 on 12 Dec (1418412477), Chao Peng wrote: > Design Overview > When enforcing cache allocation for VMs, the minimum granularity is > defined as the domain. All Virtual CPUs ("V

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-17 Thread Chao Peng
On Tue, Dec 16, 2014 at 09:38:09AM +, Jan Beulich wrote: > >>> On 16.12.14 at 09:55, wrote: > > Any comments from you? It would be greatly appreciated if you can look > > at this when you have time. Your comments are always important to me :) > > I don't think I have to say much here: > > >

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-16 Thread Jan Beulich
>>> On 16.12.14 at 09:55, wrote: > Any comments from you? It would be greatly appreciated if you can look > at this when you have time. Your comments are always important to me :) I don't think I have to say much here: > On Fri, Dec 12, 2014 at 08:27:57PM +0800, Chao Peng wrote: >> Implementatio

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-16 Thread Chao Peng
Hi Jan, Any comments from you? It would be greatly appreciated if you can look at this when you have time. Your comments are always important to me :) Thanks, Chao On Fri, Dec 12, 2014 at 08:27:57PM +0800, Chao Peng wrote: > Hi all, we plan to bring Intel CAT into XEN. This is the initial > desi

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-15 Thread Chao Peng
On Fri, Dec 12, 2014 at 03:02:33PM +, Andrew Cooper wrote: > On 12/12/14 12:27, Chao Peng wrote: > > Hi all, we plan to bring Intel CAT into XEN. This is the initial > > design for that. Comments/suggestions are welcome. > > > > Fantastic - this is a very clear and well presented document. In

Re: [Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-12 Thread Andrew Cooper
On 12/12/14 12:27, Chao Peng wrote: > Hi all, we plan to bring Intel CAT into XEN. This is the initial > design for that. Comments/suggestions are welcome. > > Background > == > Traditionally, all Virtual Machines ("VMs") share the same set of system > cache resources. There is no hardware

[Xen-devel] Cache Allocation Technology(CAT) design for XEN

2014-12-12 Thread Chao Peng
Hi all, we plan to bring Intel CAT into XEN. This is the initial design for that. Comments/suggestions are welcome. Background == Traditionally, all Virtual Machines ("VMs") share the same set of system cache resources. There is no hardware support to control allocation or availability of