Re: [PATCH 02/19] perf: Add ability to attach user level registersdump to sample

[Peter Zijlstra]

On Thu, 2012-06-14 at 12:45 +0200, Stephane Eranian wrote:
> > It would be a tedious endeavour since you'd need to have both output
> > paths available for a good while, but it might be worth it in the long
> > run depending on how painful the current format becomes.
> 
> True. What we don't know however, it how many other tools are out
> there using the kernel API directly. 

Right.. but if you leave the old stuff in for say 2 years and start
emitting a warning on using the old stuff after 1 year.. give or take a
few years we should be able to get the old stuff deprecated and removed.
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