Re: [RFC][PATCH] perf: sysfs type id

[Corey Ashford]

On 11/17/2010 12:01 PM, Peter Zijlstra wrote:
> On Wed, 2010-11-17 at 20:57 +0100, Peter Zijlstra wrote:
> > > How about a compromise position: all of the arch-specific events are
> > > exposed to user space via sysfs iff some CONFIG_* variable to set to
> > > true.  Something like CONFIG_EXPOSE_ALL_HW_PERF_EVENTS_IN_SYSFS.
> > > This way you would only use all that memory when it's explicitly
> > > configured in.
>
> Another thing you could do is make all PMU drivers loadable modules
> (most of the infrastructure for that is present) and make the exhaustive
> list either a module parameter or another module extending the PMU
> driver.

That's an interesting approach.  Maybe there could be a perf command 
that would load the appropriate modules for all of the PMUs in the 
system - "perf load-event-modules".

- Corey

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