| Date | Wed, 22 Oct 2014 16:23:47 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v5 12/20] x86: perf: intel_pt: Intel PT PMU driver |
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On Mon, Oct 13, 2014 at 04:45:40PM +0300, Alexander Shishkin wrote: > +/* > + * Capabilities of Intel PT hardware, such as number of address bits or > + * supported output schemes, are cached and exported to userspace as "caps" > + * attribute group of pt pmu device > + * (/sys/bus/event_source/devices/intel_pt/caps/) so that userspace can store > + * relevant bits together with intel_pt traces. > + */
Does it make sense to use that AUX record variable data thing for this instead -- much like what the ARM folks wanted?
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