Re: [PATCH 00/16] [GIT PULL] tracing: fixes/cleanups, nostop-machine, update stack tracer

From: Ingo Molnar
Date: Sun Jan 08 2012 - 06:40:32 EST



* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Sat, 2012-01-07 at 13:25 +0100, Ingo Molnar wrote:
> > * Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> >
> > > > I'm also seeing build failures with certain configs:
> > > >
> > > > kernel/trace/trace_stack.c:387:3: error: implicit declaration of function âftrace_set_early_filterâ
> > > > [-Werror=implicit-function-declaration]
> > >
> > > Hmm, your right. It depends on dyn_ftrace to be configured.
> > > Strange that my tests didn't catch that as I thought one of my
> > > tests compiles with static ftrace. I'll have to look into why
> > > my test didn't catch that. I'll send a fix later today.
> >
> > Hm, i cannot re-test this tree with general randconfig until it
> > keeps failing the build. I'll test the NMI bits, to be able to
> > exclude those.
>
>
> Ingo,
>
> I updated the branch by adding the below patch that fixes the bug. You
> can apply this and then run your tests again.
>
> Thanks!
>
> Please pull the latest tip/perf/core tree, which can be found at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
> tip/perf/core
>
> Head SHA1: 96de37b62ca525cd77d2e85aea1472846ee31c4d
>
>
> Steven Rostedt (1):
> tracing: Fix compile error when static ftrace is enabled
>
> ----
> include/linux/ftrace.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)

Pulled, thanks Steve!

I don't get those spontaneous reboots in regular randconfig
tests so far - so lets wait until a simpler config triggers it -
chances are high that the problem was unrelated to your tree, it
just happened to trigger it somehow.

Thanks,

Ingo
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