Re: [Xen-devel] [PATCH v2 1/4] x86: Support enable CDP by boot parameter and add get CDP status

2015-09-09 Thread He Chen
On Wed, Sep 09, 2015 at 03:04:35PM +0800, Chao Peng wrote: > On Wed, Sep 09, 2015 at 01:16:45PM +0800, He Chen wrote: > > Intel Code/Data Prioritization(CDP) feature is based on CAT. cdp_enabled > > is added to CAT socket info to indicate CDP is on or off on the socket, > > note that cos_max would

Re: [Xen-devel] [PATCH v2 1/4] x86: Support enable CDP by boot parameter and add get CDP status

2015-09-09 Thread Chao Peng
On Wed, Sep 09, 2015 at 01:16:45PM +0800, He Chen wrote: > Intel Code/Data Prioritization(CDP) feature is based on CAT. cdp_enabled > is added to CAT socket info to indicate CDP is on or off on the socket, > note that cos_max would be half when CDP is on. struct psr_cat_cbm is > extended to support

[Xen-devel] [PATCH v2 1/4] x86: Support enable CDP by boot parameter and add get CDP status

2015-09-08 Thread He Chen
Intel Code/Data Prioritization(CDP) feature is based on CAT. cdp_enabled is added to CAT socket info to indicate CDP is on or off on the socket, note that cos_max would be half when CDP is on. struct psr_cat_cbm is extended to support CDP operation. Extend psr_get_cat_l3_info sysctl to get CDP stat