From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v5 13/13] docs: add xl-psr.markdown Date: Tue, 21 Apr 2015 15:05:33 +0100 Message-ID: <1429625133.4743.105.camel@citrix.com> References: <1429281230-4352-1-git-send-email-chao.p.peng@linux.intel.com> <1429281230-4352-14-git-send-email-chao.p.peng@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1429281230-4352-14-git-send-email-chao.p.peng@linux.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Chao Peng Cc: keir@xen.org, stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com, Ian.Jackson@eu.citrix.com, xen-devel@lists.xen.org, will.auld@intel.com, JBeulich@suse.com, wei.liu2@citrix.com, dgdegra@tycho.nsa.gov List-Id: xen-devel@lists.xenproject.org On Fri, 2015-04-17 at 22:33 +0800, Chao Peng wrote: > @@ -1534,7 +1540,8 @@ Show CAT hardware information. > > =item B [I] I I > > -Set cache capacity bitmasks(CBM) for a domain. > +Set cache capacity bitmasks(CBM) for a domain. For how to specify I > +please refer to the link above. I think the "link above" is to far. I think say something more explicit like L ? > > B > > @@ -1575,6 +1582,7 @@ And the following documents on the xen.org website: > L > L > L > +L > > For systems that don't automatically bring CPU online: > > diff --git a/docs/misc/xl-psr.markdown b/docs/misc/xl-psr.markdown > new file mode 100644 > index 0000000..d167b84 > --- /dev/null > +++ b/docs/misc/xl-psr.markdown > @@ -0,0 +1,134 @@ > +# Intel Platform Shared Resource Monitoring/Control in xl > + > +This document introduces Intel Platform Shared Resource Monitoring/Control > +technologies, their basic concepts and the xl interfaces. > + > +## Cache Monitoring Technology (CMT) > + > +Cache Monitoring Technology (CMT) is a new feature available on Intel Haswell > +and later server platforms that allows an OS or Hypervisor/VMM to determine > +the usage of cache(currently only L3 cache supported) by applications running ^space before ( please. > +For example, assuming a system with 8 portions and 3 domains: > + > + A CBM of 0xff for every domain means each domain can access the > + whole cache. This is the default. > + > + Giving one domain a CBM of 0x0f and the other two domain's 0xf0 > + means that the first domain gets exclusive access to half of the > + cache (half of the portions) and the other two will share the > + other half. > + > + Giving one domain a CBM of 0x0f, one 0x30 and the last 0xc0 > + would give the first domain exclusive access to half the cache, > + and the other two exclusive access to one quarter each. How does markdown render this? I think you might want to start each para with a * to make it a bullet list. Other than those minor things all looks good, thanks. Ian.