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Date: Thu, 07 Jan 2010 06:05:10 +0100 From: Mike Galbraith <efault@....de> To: Miles Bader <miles@....org> Cc: Arnaldo Carvalho de Melo <acme@...radead.org>, linux-kernel@...r.kernel.org, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: Re: tools/perf: "perf record" restricted to root in latest kernel? 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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