Re: [PATCH 2/5] perf, x86: Enable PDIR precise instruction profiling on IvyBridge

Andi Kleen
2012-07-02T21:00:10Z

> If anything its an PEBS alias, we have infrastructure for that, yet you
> invent new things.

Ok.
>
> You do random things like only :pp for no apparent reason.

At which p level do you want it? Or on by default?

>
> PDIR is only supported on a single counter, regular PEBS 'instructions'
> events allow for 4+ counters. Therefore a direct substitution is not
> valid.

Ok so you want a new flag? Or a new event?

-Andi

--
ak@linux.intel.com -- Speaking for myself only