Re: [PATCH 4/7] perf/x86-ibs: Add support for IBS pseudo events

[Peter Zijlstra]

On Mon, 2012-05-07 at 17:21 +0200, Stephane Eranian wrote:
> There is something I don't quite understand with those pseudo-events.
> Is it the case that by construction, it means you can only measure
> on pseudo-event at a time? Supposed I want to look at cache-misses.
> For each miss, I'd like to know where it missed, any TLB impacts. All
> of that in one run with no multiplexing. Can I do this with your
> pseudo-events?
> 
Not from how I read the patch, a pseudo event will count as a full event
and since the IBS things only have a single thing its full.

If you want multiple of these you'd have to get the raw stream and demux
in userspace.



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