From: Steven Rostedt <rostedt@goodmis.org>
To: Carsten Emde <C.Emde@osadl.org>
Cc: Daniel Wagner <daniel.wagner@bmw-carit.de>,
linux-rt-users@vger.kernel.org, Jon Masters <jcm@redhat.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-kernel@vger.kernel.org,
Tom Zanussi <tom.zanussi@linux.intel.com>
Subject: Re: [PATCH] hwlat_detector: Detect hardware-induced latencies
Date: Thu, 9 Apr 2015 10:10:37 -0400 [thread overview]
Message-ID: <20150409101037.4dd0837a@gandalf.local.home> (raw)
In-Reply-To: <552682A4.4000309@osadl.org>
On Thu, 09 Apr 2015 15:46:12 +0200
Carsten Emde <C.Emde@osadl.org> 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.
http://marc.info/?l=linux-kernel&m=142807630917288
-- Steve
next prev parent reply other threads:[~2015-04-09 14:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-08 15:47 Daniel Wagner
2015-04-08 16:35 ` Steven Rostedt
2015-04-09 9:25 ` Daniel Wagner
2015-04-09 13:46 ` Carsten Emde
2015-04-09 14:10 ` Steven Rostedt [this message]
2015-04-13 8:31 ` Daniel Wagner
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