* Josh Poimboeuf <jpoim...@redhat.com> wrote: > For user space stack unwinding, the kernel could emulate what the kernel > 'guess' unwinder does by scanning the user space stack and returning all > the text addresses it finds.
User-space stacks tend to be much larger than kernel stacks, the cost of doing
such a full scan on every PMI would kill a lot of profiling workloads.
Thanks,
Ingo
