From: Andi Kleen <andi@firstfloor.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Vince Weaver <vincent.weaver@maine.edu>,
Dave Jones <davej@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: x86_pmu_start WARN_ON.
Date: Thu, 20 Feb 2014 09:31:19 -0800 [thread overview]
Message-ID: <87mwhld72w.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <20140220155416.GH9987@twins.programming.kicks-ass.net> (Peter Zijlstra's message of "Thu, 20 Feb 2014 16:54:16 +0100")
Peter Zijlstra <peterz@infradead.org> writes:
>
> It will; trace_printk() works without -pg, I think you didn't read the
> instructions very well.
Ok, you enable and disable it again. I won't guess why you do that.
>
> And there's a very good reason not to apply your patch; you can route
> the function tracer into perf, guess what happens when perf calls the
> function tracer again :-)
How?
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2014-02-20 17:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-30 19:02 x86_pmu_start WARN_ON Dave Jones
2014-02-10 21:26 ` Vince Weaver
2014-02-11 13:29 ` Peter Zijlstra
2014-02-12 21:04 ` Vince Weaver
2014-02-13 14:11 ` Vince Weaver
2014-02-13 17:35 ` Vince Weaver
2014-02-13 22:13 ` Vince Weaver
2014-02-17 15:28 ` Peter Zijlstra
2014-02-18 18:30 ` Vince Weaver
2014-02-18 22:20 ` Vince Weaver
2014-02-19 10:19 ` Peter Zijlstra
2014-02-19 22:34 ` Vince Weaver
2014-02-20 10:08 ` Peter Zijlstra
2014-02-20 15:47 ` Andi Kleen
2014-02-20 15:54 ` Peter Zijlstra
2014-02-20 17:31 ` Andi Kleen [this message]
2014-02-20 18:15 ` Peter Zijlstra
2014-02-20 18:23 ` Andi Kleen
2014-02-20 19:04 ` Steven Rostedt
2014-02-20 16:26 ` Steven Rostedt
2014-02-20 17:00 ` Peter Zijlstra
2014-02-20 17:43 ` Steven Rostedt
2014-02-20 17:46 ` Steven Rostedt
2014-02-20 18:18 ` Peter Zijlstra
2014-02-20 18:03 ` Vince Weaver
2014-02-20 18:23 ` Peter Zijlstra
2014-02-20 18:54 ` Vince Weaver
2014-02-20 19:21 ` Vince Weaver
2014-02-20 19:46 ` Vince Weaver
2014-02-21 14:37 ` Vince Weaver
2014-02-21 15:03 ` Peter Zijlstra
2014-02-21 20:18 ` Vince Weaver
2014-02-24 11:28 ` Peter Zijlstra
2014-02-26 5:59 ` Vince Weaver
2014-02-27 13:32 ` [tip:perf/core] perf/x86: Fix event scheduling tip-bot for Peter Zijlstra
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