Re: [PATCH v3 00/10] x86: ORC unwinder (previously undwarf)

From: Andres Freund
Date: Wed Jul 12 2017 - 18:36:18 EST


On 2017-07-12 17:32:25 -0500, Josh Poimboeuf wrote:
> If you want perf to be able to use ORC instead of DWARF for user space
> binaries, that's not currently possible, though I don't see any
> technical blockers for doing so. Perf would need to be taught to read
> ORC data.

Right, that's what I was hoping for.

> And I think it should be possible to convert DWARF to ORC, assuming the
> DWARF data is trusted. We could probably add an objtool subcommand for
> that.

That'd be pretty helpful.


Andres Freund