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

Benjamin Block
2011-12-18T15:29:08Z

On Sun, 18 Dec 2011 09:04:43 +0100, Ingo Molnar <mingo@elte.hu> wrote:

> * 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?

>

The threshold-interrupt is already integrated with patch 5 of this

patch-set.

Maybe I wrote the descriptions a little misleading. Sry for that. :)

best regards,

- Benjamin