Re: [PATCH] x86/intel_rdt: Implement "update" mode when writing schemata file

[Shivappa Vikas]

On Fri, 31 Mar 2017, Thomas Gleixner wrote:

> On Fri, 24 Mar 2017, Luck, Tony wrote:
> > +Reading/writing the schemata file
> > +---------------------------------
> > +Reading the schemata file will show the state of all resources
> > +on all domains. When writing you only need to specify those values
> > +which you wish to change.  E.g.
> > +
> > +# cat schemata
> > +L3DATA:0=fffff;1=fffff;2=fffff;3=fffff
> > +L3CODE:0=fffff;1=fffff;2=fffff;3=fffff
> > +# echo "L3DATA:2=3c0;" > schemata
> > +# cat schemata
> > +L3DATA:0=fffff;1=fffff;2=3c0;3=fffff
> > +L3CODE:0=fffff;1=fffff;2=fffff;3=fffff
>
> It would be nice if the output would cover the mask width, i.e:
>
> L3DATA:0=fffff;1=fffff;2=003c0;3=fffff
> L3CODE:0=fffff;1=fffff;2=fffff;3=fffff
>
> because that makes it tabular and simpler to read.

Will add this.

A sample with MBA:

  L3DATA:0=fffff;1=fffff;2=003c0;3=fffff
  L3CODE:0=fffff;1=fffff;2=fffff;3=fffff
      MB:0=   10;1=   20;2=  100;3=  100

Thanks,
Vikas

> Thanks,
>
> 	tglx