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SubjectRe: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support
On Thu, Oct 17, 2013 at 10:14:20AM +0200, Ingo Molnar wrote:
> > > I.e. you would be encoding the counter unit as the suffix, might as well
> > > call it "power/cores.joules" and use the dot as the separator for the
> > > unit, but would be just a compact form to encode the counter->unit
> > > table.
> >
> > May be easier to add a sysfs entry with the unit to display.
> Yes - with no entry meaning a raw 'count' or such.

The downside to such a sysfs entry will be the scope. It would either be
pmu wide (unwieldy for many PMUs) or be only per listed event; and we
really don't want exhaustive event lists in the kernel.

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