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From: Steven Rostedt <rostedt@goodmis.org>
To: Dave Jones <davej@redhat.com>
Cc: David Ahern <dsahern@gmail.com>,
	paulmck@linux.vnet.ibm.com,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: suspicious RCU usage (perf)
Date: Tue, 27 Aug 2013 09:10:11 -0400	[thread overview]
Message-ID: <20130827091011.18ed8b59@gandalf.local.home> (raw)
In-Reply-To: <20130826194923.GA1549@redhat.com>

On Mon, 26 Aug 2013 15:49:24 -0400
Dave Jones <davej@redhat.com> wrote:


>  > Do you have /sys/kernel/debug with access permissions?
> 
> Ah, yeah, that'll be it. Good catch.
> 
> Sorry for the false alarm Steve ;)

Yeah, but it still does not explain how perf got started. Perf requires
a sys_perf_event_open() call to run.

-- Steve

  reply	other threads:[~2013-08-27 13:10 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-26 14:58 suspicious RCU usage (perf) Dave Jones
2013-08-26 16:29 ` Paul E. McKenney
2013-08-26 17:30   ` Steven Rostedt
2013-08-26 17:50     ` Dave Jones
2013-08-26 18:18       ` Steven Rostedt
2013-08-26 18:29         ` Dave Jones
2013-08-26 19:03           ` Steven Rostedt
2013-08-27 12:16             ` Peter Zijlstra
2013-08-30 15:49               ` Frederic Weisbecker
2013-08-30 15:52               ` Frederic Weisbecker
2013-08-30 15:59                 ` Peter Zijlstra
2013-08-30 16:06                   ` Frederic Weisbecker
2013-08-26 19:43           ` David Ahern
2013-08-26 19:49             ` Dave Jones
2013-08-27 13:10               ` Steven Rostedt [this message]
2013-08-27 13:58                 ` David Ahern
2013-08-27 14:13                   ` Dave Jones

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