Messages in this thread | | | Subject | Re: [F.A.Q.] perf ABI backwards and forwards compatibility | From | Peter Zijlstra <> | Date | Tue, 08 Nov 2011 11:32:46 +0100 |
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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.
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