Date: Fri, 12 Nov 2010 11:48:04 +0100
From: Andi Kleen <andi@firstfloor.org>
To: Stephane Eranian <eranian@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Andi Kleen <andi@firstfloor.org>,
        Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        Andi Kleen <ak@linux.intel.com>, linux-kernel@vger.kernel.org,
        fweisbec@gmail.com, mingo@elte.hu, acme@redhat.com
Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw
 events
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> I don't think you need special syntax. You can simply come up with
> the 64-bit raw hex value. corey recently added a small utility to do
> this via libpfm4: perf stat -e `evt2raw unhalted_core_cycles:u` ....

I added a small patch to perf to read event mappings from a flat mapping file.

> > Also, I think we can use the same mechanism to program the
> > PEBS-load-latency MSR, right?
> >
> Yes, we could hardcode the latency the same way.

At least right now it would still need a constraint, because only
one counter can use it. 

-Andi

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