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SubjectRe: [PATCH] x86/intel_rdt: Implement "update" mode when writing schemata file
On Fri, 31 Mar 2017, Shivappa Vikas wrote:
> 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

Well done, the widest group sets the width for all others!

Thanks,

tglx

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