Re: [RFC 4/5] x86, perf: implements lwp-perf-integration (rc1)

Ingo Molnar
2011-12-18T08:06:45Z

* Hans Rosenfeld <hans.rosenfeld@amd.com> wrote:

> From: Benjamin Block <benjamin.block@amd.com>
>
> Implements a basic integration of LWP into perf. Permits a way
> to create a perf-event that will be backed by LWP. The PMU
> creates the required structures and userspace-memories. The
> PMU also collects the samples from the ring-buffer, but as
> there is currently no interrupt- and overflow-implementation,
> they are not reported (TODO).

Ok, this is a step in the right direction - once the threshold
IRQ flow control mechanism is implemented we are looking at
something that might be mergeable. Any ETA on those bits?

Thanks,

Ingo