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SubjectRe: [PATCH V7 1/1] perf tool:perf diff support for different binaries
> Having a nice explanation of the problem helps, as my first reaction to
> this patch was: "What? This is what this tool is supposed to do, to
> compare two versions of a binary, one that is being developed from the
> same source, the other with slight modifications, etc", while the
> description of the patch made it look as this was a feature that was now
> being introduced.

AFAIK it was actually to compare multiple runs of the same binary
with different setups: e.g. varying number of threads.

However in the Linux kernel development world it turns out comparing
multiple similar binaries is much more useful.

-Andi
--
ak@linux.intel.com -- Speaking for myself only


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