From: Steven Rostedt <rostedt@goodmis.org>
To: Clark Williams <williams@redhat.com>
Cc: Carsten Emde <C.Emde@osadl.org>,
linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org,
Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Jon Masters <jcm@redhat.com>, Daniel Wagner <wagi@monom.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: [RFC][PATCH 0/3] tracing: Add Hardware Latency detector tracer
Date: Tue, 9 Aug 2016 14:30:36 -0400 [thread overview]
Message-ID: <20160809143036.72f9f67b@gandalf.local.home> (raw)
In-Reply-To: <20160809131516.6a83e93e@sluggy.hsv.redhat.com>
On Tue, 9 Aug 2016 13:15:16 -0500
Clark Williams <williams@redhat.com> wrote:
> On Thu, 4 Aug 2016 11:30:33 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
>
> > Note, I'm currently working on adding code to detect NMIs to this as
> > well. And perhaps even tracing SMI counters. Just to show what caused
> > the latency, as latency isn't measured by the counters (that I know of).
> >
>
> I like the trace report, but for one small thing; I think it's worth
> either adding units to the reported latency values (us suffix) or
> putting in a header line that hwlatdetect values are reported in
> microseconds.
Yeah, adding "us" to the time stamps would be useful. I'll update.
-- Steve
next prev parent reply other threads:[~2016-08-09 18:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-04 14:57 [RFC][PATCH 0/3] tracing: Add Hardware Latency detector tracer Steven Rostedt
2016-08-04 14:57 ` [RFC][PATCH 1/3] tracing: Added hardware latency tracer Steven Rostedt
2016-08-05 14:25 ` Sebastian Andrzej Siewior
2016-08-05 14:44 ` Steven Rostedt
2016-08-05 15:28 ` Sebastian Andrzej Siewior
2016-08-05 15:36 ` Steven Rostedt
2016-08-04 14:57 ` [RFC][PATCH 2/3] tracing: Add documentation for hwlat_detector tracer Steven Rostedt
2016-08-10 14:12 ` Jon Masters
2016-08-04 14:57 ` [RFC][PATCH 3/3] tracing: Have hwlat trace migrate across tracing_cpumask CPUs Steven Rostedt
2016-08-04 15:30 ` [RFC][PATCH 0/3] tracing: Add Hardware Latency detector tracer Steven Rostedt
2016-08-09 18:15 ` Clark Williams
2016-08-09 18:30 ` Steven Rostedt [this message]
2016-08-04 16:56 ` [RFC][PATCH 4/3] tracing: Add NMI tracing in hwlat detector Steven Rostedt
2016-08-04 17:16 ` Steven Rostedt
2016-08-05 14:35 ` Sebastian Andrzej Siewior
2016-08-05 14:52 ` Steven Rostedt
2016-08-05 15:40 ` Sebastian Andrzej Siewior
2016-08-05 16:17 ` Steven Rostedt
2016-08-09 17:22 ` Steven Rostedt
2016-08-10 14:10 ` Jon Masters
2016-08-09 18:05 ` [RFC][PATCH 5/3] tracing: Add smi counting to HWLAT Steven Rostedt
2016-08-09 18:28 ` Daniel Bristot de Oliveira
2016-08-09 18:35 ` Steven Rostedt
2016-08-09 21:25 ` Peter Zijlstra
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