From: Dave Jones <davej@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: trinity finds ftrace/perf bug. Film at 11.
Date: Wed, 18 Sep 2013 09:22:49 -0400 [thread overview]
Message-ID: <20130918132249.GA13402@redhat.com> (raw)
In-Reply-To: <20130918113410.GJ9326@twins.programming.kicks-ass.net>
On Wed, Sep 18, 2013 at 01:34:11PM +0200, Peter Zijlstra wrote:
> On Mon, Sep 16, 2013 at 12:44:21PM -0400, Dave Jones wrote:
> >
> > may be some other option.. Try http://www.codemonkey.org.uk/junk/haswell-config
> >
> > > What kind of hardware are you running this on?
> >
> > model name : Intel(R) Core(TM) i5-4670T CPU @ 2.30GHz
>
> Humpf,.. of course I don't have a hsw system :/
>
> I'll try raising the -C count to 4*nr_cpus for the next few runs.
>
> OK, seems I need to edit trinity for that, someone thought 64 was a big
> number.
heh, at one time, the walk through the list of child processes in watchdog.c was
taking so long that it considered children that hadn't been scheduled for
a while as stuck. I'm not sure that's any better right now, so you might have
to modify that code too.
Dave
next prev parent reply other threads:[~2013-09-18 13:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-11 13:54 trinity finds ftrace/perf bug. Film at 11 Dave Jones
2013-09-12 18:19 ` Steven Rostedt
2013-09-12 18:38 ` Dave Jones
2013-10-03 15:44 ` Peter Zijlstra
2013-10-03 16:57 ` Ingo Molnar
2013-09-13 10:56 ` Peter Zijlstra
2013-09-13 14:16 ` Dave Jones
2013-09-16 9:37 ` Peter Zijlstra
2013-09-16 10:25 ` Ingo Molnar
2013-09-16 10:43 ` Peter Zijlstra
2013-09-16 16:45 ` Dave Jones
2013-09-16 16:44 ` Dave Jones
2013-09-18 11:34 ` Peter Zijlstra
2013-09-18 13:22 ` Dave Jones [this message]
2013-09-13 14:32 ` Steven Rostedt
2013-09-13 14:58 ` Peter Zijlstra
2013-09-13 11:14 ` Peter Zijlstra
2013-09-13 14:28 ` Dave Jones
2013-09-13 14:58 ` Peter Zijlstra
2013-11-19 19:18 ` [tip:perf/urgent] perf: Remove fragile swevent hlist optimization tip-bot for Peter Zijlstra
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