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Date: Sat, 16 Feb 2013 09:41:28 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
        Stephane Eranian <eranian@google.com>,
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Subject: Re: [PATCH v7 07/18] perf: add generic memory sampling interface
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* Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> On Fri, 2013-02-15 at 11:46 -0800, Sukadev Bhattiprolu wrote:
> > 
> > POWER could use an additional field:
> > 
> >                         mem_deratmiss:1
> 
> If you want to make that field more "generic" make it 
> "lvl1_tlb_miss", ie, a miss in the internal "level 1" TLB 
> which is the smallest/fastest TLB level in the load/store 
> unit.

I'd also suggest adding spare bits generously, if this is a 
fixed width ABI component - or a size field.

Thanks,

	Ingo