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

Peter Zijlstra
2011-11-08T10:33:27Z

On Tue, 2011-11-08 at 11:22 +0100, Ingo Molnar wrote:
>
> We do even more than that, the perf ABI is fully backwards *and*
> forwards compatible: you can run older perf on newer ABIs and newer
> perf on older ABIs.

The ABI yes, the tool no, the tool very much relies on some newer ABI
parts. Supporting fallbacks isn't always possible/wanted.