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Subject: Re: [PATCH] event: fix TP_printk() argument in sched_switch
From: Steven Rostedt <rostedt@goodmis.org>
To: David Ahern <dsahern@gmail.com>
Cc: avagin@gmail.com, Andrew Vagin <avagin@openvz.org>,
        linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Ingo Molnar <mingo@redhat.com>,
        Frederic Weisbecker <fweisbec@gmail.com>, devel@openvz.org,
        Arnaldo Carvalho de Melo <acme@infradead.org>
Date: Thu, 03 Nov 2011 10:11:52 -0400
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On Thu, 2011-11-03 at 08:01 -0600, David Ahern wrote:
> On 11/03/2011 06:57 AM, Andrew Vagin wrote:
> > 
> >> NACK!
> >>
> >> This is a perf userspace bug, not a kernel one. Please fix the userspace
> >> tool instead.
> >>
> >> Note, the new version of libparsevent handles this case without issue.
> >> Perf just needs to be updated.
> > I don't understand. I've got
> > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
> > and it reports the same error. Where am I wrong?
> 
> Have you installed the plugins?
> 

That's cheating ;)  Yeah, the plugins override what is printed, but this
is a trivial thing that the parsing itself should easily be able to
handle. I'm working on a fix now.

trace-cmd report -N

will fail.  That's because -N does not load the plugins.

-- Steve