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SubjectRe: [PATCH v3 00/10] x86: ORC unwinder (previously undwarf)
On Wed, 12 Jul 2017, Andi Kleen wrote:

> It's somewhat surprising. It would be good to under stand why that
> happens. Is it icache misses, data cache misses for the stack, or simply
> more instructions executed, or worse tail calls?

http://lkml.kernel.org/r/20170602104048.jkkzssljsompjdwy@suse.de

--
Jiri Kosina
SUSE Labs

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