Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-07-29 Thread Vikas Shivappa
On Tue, 28 Jul 2015, Marcelo Tosatti wrote: On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-07-29 Thread Vikas Shivappa
On Tue, 28 Jul 2015, Marcelo Tosatti wrote: On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-07-28 Thread Marcelo Tosatti
On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: > > > On Thu, 26 Mar 2015, Marcelo Tosatti wrote: > > > > >I can't find any discussion relating to exposing the CBM interface > >directly to userspace in that thread ? > > > >Cpu.shares is written in ratio form, which is much more

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-07-28 Thread Marcelo Tosatti
On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in ratio form, which is much more natural. Do

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-05-01 Thread Vikas Shivappa
Adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa --- Documentation/cgroups/rdt.txt | 180 ++ 1 file changed, 180 insertions(+) create mode 100644

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-05-01 Thread Vikas Shivappa
Adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa vikas.shiva...@linux.intel.com --- Documentation/cgroups/rdt.txt | 180 ++ 1 file changed, 180

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-04-01 Thread Vikas Shivappa
On Tue, 31 Mar 2015, Marcelo Tosatti wrote: On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-04-01 Thread Vikas Shivappa
On Tue, 31 Mar 2015, Marcelo Tosatti wrote: On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Marcelo Tosatti
On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: > > > On Thu, 26 Mar 2015, Marcelo Tosatti wrote: > > > > >I can't find any discussion relating to exposing the CBM interface > >directly to userspace in that thread ? > > > >Cpu.shares is written in ratio form, which is much more

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Vikas Shivappa
On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? It was the same version V4 as above but a different subthread i think.. here you go anyways -

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Vikas Shivappa
On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in ratio form, which is much more natural. Do you see any advantage in maintaining the (ratio -> cbm bitmasks)

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Marcelo Tosatti
On Tue, Mar 31, 2015 at 10:27:32AM -0700, Vikas Shivappa wrote: On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in ratio form, which is much more natural. Do

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Vikas Shivappa
On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? It was the same version V4 as above but a different subthread i think.. here you go anyways -

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-31 Thread Vikas Shivappa
On Thu, 26 Mar 2015, Marcelo Tosatti wrote: I can't find any discussion relating to exposing the CBM interface directly to userspace in that thread ? Cpu.shares is written in ratio form, which is much more natural. Do you see any advantage in maintaining the (ratio - cbm bitmasks)

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-30 Thread Marcelo Tosatti
On Thu, Mar 26, 2015 at 10:29:27PM -0300, Marcelo Tosatti wrote: > On Thu, Mar 26, 2015 at 11:38:59AM -0700, Vikas Shivappa wrote: > > > > Hello Marcelo, > > Hi Vikas, > > > On Wed, 25 Mar 2015, Marcelo Tosatti wrote: > > > > >On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: > >

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-30 Thread Marcelo Tosatti
On Thu, Mar 26, 2015 at 10:29:27PM -0300, Marcelo Tosatti wrote: On Thu, Mar 26, 2015 at 11:38:59AM -0700, Vikas Shivappa wrote: Hello Marcelo, Hi Vikas, On Wed, 25 Mar 2015, Marcelo Tosatti wrote: On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: This patch adds

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-26 Thread Marcelo Tosatti
On Thu, Mar 26, 2015 at 11:38:59AM -0700, Vikas Shivappa wrote: > > Hello Marcelo, Hi Vikas, > On Wed, 25 Mar 2015, Marcelo Tosatti wrote: > > >On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: > >>This patch adds a description of Cache allocation technology, overview > >>of

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-26 Thread Vikas Shivappa
Hello Marcelo, On Wed, 25 Mar 2015, Marcelo Tosatti wrote: On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa ---

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-26 Thread Vikas Shivappa
Hello Marcelo, On Wed, 25 Mar 2015, Marcelo Tosatti wrote: On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-26 Thread Marcelo Tosatti
On Thu, Mar 26, 2015 at 11:38:59AM -0700, Vikas Shivappa wrote: Hello Marcelo, Hi Vikas, On Wed, 25 Mar 2015, Marcelo Tosatti wrote: On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: This patch adds a description of Cache allocation technology, overview of kernel

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-25 Thread Marcelo Tosatti
On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: > This patch adds a description of Cache allocation technology, overview > of kernel implementation and usage of CAT cgroup interface. > > Signed-off-by: Vikas Shivappa > --- > Documentation/cgroups/rdt.txt | 183 >

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-25 Thread Marcelo Tosatti
On Thu, Mar 12, 2015 at 04:16:07PM -0700, Vikas Shivappa wrote: This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa vikas.shiva...@linux.intel.com --- Documentation/cgroups/rdt.txt

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-12 Thread Vikas Shivappa
This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa --- Documentation/cgroups/rdt.txt | 183 ++ 1 file changed, 183 insertions(+) create mode

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-03-12 Thread Vikas Shivappa
This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa vikas.shiva...@linux.intel.com --- Documentation/cgroups/rdt.txt | 183 ++ 1 file changed, 183

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-02-26 Thread Hagen Paul Pfeifer
On 25 February 2015 at 00:16, Vikas Shivappa wrote: > +1.2 Why is CAT needed > +- > + > +The CAT enables more cache resources to be made available for higher > +priority applications based on guidance from the execution > +environment. > + > +The architecture also allows

Re: [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-02-26 Thread Hagen Paul Pfeifer
On 25 February 2015 at 00:16, Vikas Shivappa vikas.shiva...@linux.intel.com wrote: +1.2 Why is CAT needed +- + +The CAT enables more cache resources to be made available for higher +priority applications based on guidance from the execution +environment. + +The

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-02-24 Thread Vikas Shivappa
This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa --- Documentation/cgroups/rdt.txt | 184 ++ 1 file changed, 184 insertions(+) create mode

[PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide

2015-02-24 Thread Vikas Shivappa
This patch adds a description of Cache allocation technology, overview of kernel implementation and usage of CAT cgroup interface. Signed-off-by: Vikas Shivappa vikas.shiva...@linux.intel.com --- Documentation/cgroups/rdt.txt | 184 ++ 1 file changed, 184