RE: [PATCH] ia64 support for tools/perf/

Peter Zijlstra
2009-11-18T16:56:38Z

On Tue, 2009-11-17 at 09:25 -0800, Luck, Tony wrote:
> > Btw., are you planning HAVE_PERF_EVENTS support for IA64? (It's nice
> > stuff, i can only recommend it! ;-)
>
> My first goal is getting the s/w events hooked up and working. I'm still
> wondering about how to get the h/w counters to co-exist with perfmon (which
> has been part of ia64 API for many years).

A first approach could be to make them mutually exclusive at runtime.
When there's a perf_event user, perfmon users get FAIL and vs.

This is basically the state for x86 perf_event vs oprofile atm.