Re: [PATCH 0/5] perf: add support for capturing skid IP

Andi Kleen
2017-06-15T15:10:20Z

On Thu, Jun 15, 2017 at 06:56:24AM -0700, Stephane Eranian wrote:
> This patchs adds a new sample record type called
> PERF_SAMPLE_SKID_IP. The goal is to record
> the unmodified interrupted instruction pointer (IP) as seen by
> the kernel and reflected in the machine state.

Patches look reasonable for me.

If you only cared about branches it would be more natural to model
it like a 1 entry LBR. That would make a lot more tooling work
automatically.

-Andi