Re: [PATCH] hwlat_detector: Detect hardware-induced latencies

From: Steven Rostedt
Date: Thu Apr 09 2015 - 10:10:46 EST

On Thu, 09 Apr 2015 15:46:12 +0200
Carsten Emde <C.Emde@xxxxxxxxx> wrote:

> Hi Daniel,
> > BTW, are you also taking care of the latency-hist.patch patch?
> I do.
> However, the request (and the challenge) is not to simply rewrite the
> code. The idea is to provide a general histogram framework that can be
> used from anywhere in the kernel and to equip it with everything needed
> by the existing histograms. This framework should no longer be part of
> the RT patches but submitted directly to mainline Linux. In a second
> step, we will then rewrite the existing histogram code to use the new
> framework.
> Any help is greatly appreciated!

Hmm, Currently Tom Zanussi is working on a hist trigger for tracing.
Not sure it can be used here, but perhaps ideas can be spawned.

-- Steve
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