Re: [PATCH 00/18] tracing/ring-buffer: fixes for latency tracer [2.6.32]

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On Sat, Sep 5, 2009 at 5:06 PM, Arnaldo Carvalho de Melo<acme@xxxxxxxxxx> 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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