From: Mike Galbraith <efault@gmx.de>
To: Miles Bader <miles@gnu.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: tools/perf: "perf record" restricted to root in latest kernel?
Date: Thu, 07 Jan 2010 06:05:10 +0100 [thread overview]
Message-ID: <1262840710.6303.6.camel@marge.simson.net> (raw)
In-Reply-To: <1262839723.6303.5.camel@marge.simson.net>
On Thu, 2010-01-07 at 05:48 +0100, Mike Galbraith wrote:
> On Thu, 2010-01-07 at 11:49 +0900, Miles Bader wrote:
>
> > Perhaps the newer version of perf works better with newer kernels
>
> Yup. Bisects back to 60ab271617cec607380099f3ed8e84916e48323b. If
> running latest kernel, normal user can record fine. Running 31 or 32
> kernel with latest perf though, I see the same permission error. Not
> immediately obvious to me why reverting this commit does indeed fix it.
Heh. echo 0 > /proc/sys/kernel/perf_event_paranoid :)
-Mike
next prev parent reply other threads:[~2010-01-07 5:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-06 5:32 tools/perf: "perf record" restricted to root in latest kernel? Miles Bader
2010-01-06 20:59 ` Arnaldo Carvalho de Melo
2010-01-07 2:49 ` Miles Bader
2010-01-07 4:48 ` Mike Galbraith
2010-01-07 5:05 ` Mike Galbraith [this message]
2010-01-07 8:29 ` Peter Zijlstra
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