Re: [F.A.Q.] perf ABI backwards and forwards compatibility

[Pekka Enberg]

On Tue, 8 Nov 2011, Frank Ch. Eigler wrote:
> Almost: they demonstrate that those parts of the ABI that these
> particular perf commands rely on have been impressively compatible.
> Do you have any sort of ABI coverage measurement, to see what
> parts of the ABI these perf commands do not use?

It's pretty obvious that perf ABI is lacking on that department based on 
Vince's comments, isn't it?  There's an easy fix for this too: improve 
"perf test" to cover the cases you're intested in.  While ABI spec would 
be a nice addition, it's not going to make compatibility problems 
magically go away.

			Pekka
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