From: Peter Zijlstra <peterz@infradead.org>
To: Mike Galbraith <efault@gmx.de>
Cc: Miles Bader <miles@gnu.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: tools/perf: "perf record" restricted to root in latest kernel?
Date: Thu, 07 Jan 2010 09:29:35 +0100 [thread overview]
Message-ID: <1262852975.4049.79.camel@laptop> (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.
That commit will do something the old perf doesn't support and will fail
to create the counters.
prev parent reply other threads:[~2010-01-07 8:30 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
2010-01-07 8:29 ` Peter Zijlstra [this message]
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