linux-kernel - Re: x86_pmu_start WARN

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Message-ID: <20140220181855.GM9987@twins.programming.kicks-ass.net>
Date:	Thu, 20 Feb 2014 19:18:55 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: x86_pmu_start WARN_ON.

On Thu, Feb 20, 2014 at 12:46:12PM -0500, Steven Rostedt wrote:
> On Thu, 20 Feb 2014 12:43:51 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > As a disable_trace_on_warning is more of a modification to the kernel,
> > I'm leaning to adding a /proc/sys/kernel/ftrace_disable_on_warning
> > file. This keeps it in line with ftrace_dump_on_oops, which is the most
> > similar feature.
> 
> Nevermind. There's a "traceoff_on_warning" already there that does
> exactly this :-/

Bugger; I so missed that looking for it earlier today.
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