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Message-ID: <4de7f8a60909070320j692d746drb06bd635ca7f7c55@mail.gmail.com>
Date: Mon, 7 Sep 2009 12:20:50 +0200
From: Jan Blunck <jblunck@...e.de>
To: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
Ingo Molnar <mingo@...e.hu>,
Clark Williams <williams@...hat.com>,
linux-rt-users@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 00/18] tracing/ring-buffer: fixes for latency tracer
[2.6.32]
On Sat, Sep 5, 2009 at 5:06 PM, Arnaldo Carvalho de Melo<acme@...hat.com> wrote:
>
> I did a quick port to tip/rt/head and couldn't reproduce the problems I
> was experiencing, thanks!
>
> I've put the ported patch series at:
>
> http://userweb.kernel.org/~acme/rostedt-rb-rt
>
Nice, this also seems to fix my problem with the hanging wakup
selftest. At least the system continues to boot. However, I still get
this:
[ 13.739115] Testing tracer sched_switch: PASSED
[ 14.002071] Testing tracer function: PASSED
[ 14.158816] Testing dynamic ftrace: PASSED
[ 14.512524] Testing tracer irqsoff: PASSED
[ 14.693519] Testing tracer preemptoff: PASSED
[ 14.853519] Testing tracer preemptirqsoff: PASSED
[ 15.013506] Testing tracer wakeup:
[ 15.134004] hrtimer: interrupt too slow, forcing clock min delta to
27508383 ns
[ 15.134010] hrtimer: interrupt too slow, forcing clock min delta to
27544629 ns
[ 15.134016] hrtimer: interrupt too slow, forcing clock min delta to
27543582 ns
[ 15.134022] hrtimer: interrupt too slow, forcing clock min delta to
27543372 ns
[ 15.134028] hrtimer: interrupt too slow, forcing clock min delta to
27543162 ns
[ 15.134034] hrtimer: interrupt too slow, forcing clock min delta to
27542325 ns
[ 15.134040] hrtimer: interrupt too slow, forcing clock min delta to
27542952 ns
[ 15.134046] hrtimer: interrupt too slow, forcing clock min delta to
27543579 ns
[ 15.134052] hrtimer: interrupt too slow, forcing clock min delta to
27543582 ns
[ 15.134058] hrtimer: interrupt too slow, forcing clock min delta to
27543789 ns
[ 15.134063] hrtimer: interrupt too slow, forcing clock min delta to
27543372 ns
[ 15.134070] hrtimer: interrupt too slow, forcing clock min delta to
27542532 ns
[ 15.134076] hrtimer: interrupt too slow, forcing clock min delta to
27542745 ns
[ 15.134082] hrtimer: interrupt too slow, forcing clock min delta to
27543372 ns
[ 15.134088] hrtimer: interrupt too slow, forcing clock min delta to
27542742 ns
[ 15.134094] hrtimer: interrupt too slow, forcing clock min delta to
27542325 ns
[ 15.134101] hrtimer: interrupt too slow, forcing clock min delta to
27544419 ns
[ 15.134107] hrtimer: interrupt too slow, forcing clock min delta to
27544419 ns
[ 15.134113] hrtimer: interrupt too slow, forcing clock min delta to
27544209 ns
[ 15.134119] hrtimer: interrupt too slow, forcing clock min delta to
27544419 ns
[ 15.134126] hrtimer: interrupt too slow, forcing clock min delta to
27544419 ns
[ 15.134132] hrtimer: interrupt too slow, forcing clock min delta to
27544422 ns
[ 15.134161] hrtimer: interrupt too slow, forcing clock min delta to
27492249 ns
[ 15.133993] hrtimer: interrupt too slow, forcing clock min delta to
28730742 ns
[ 15.810670] PASSED
[ 15.865758] Testing tracer wakeup_rt: PASSED
And this time I have lockdep really disabled.
Jan
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