Re: [PATCH v4 2/2] perf x86: Exposing an Uncore unit to PMON for Intel Xeon® server platform

[Andi Kleen]

> > pmon0-3: list of pci busses indexed by die
> > 
> > To be honest the approach doesn't seem unreasonable to me. It's similar
> > e.g. how we express lists of cpus or nodes in sysfs today.

<snipped repeated form letter non answer to question>

Roman, 

I suppose you'll need something like

/sys/device/system/dieXXX/pci-pmon<0-3>/bus 

and bus could be a symlink to the pci bus directory.

The whole thing will be ugly and complicated and slow and difficult
to parse, but it will presumably follow Greg's rules.

-Andi