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

From: Andi Kleen
Date: Mon Jul 02 2012 - 17:00:06 EST

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

> 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?


ak@xxxxxxxxxxxxxxx -- Speaking for myself only
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at