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Date: Tue, 16 Feb 2016 19:10:37 -0800
From: Andi Kleen <ak@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
        David Ahern <dsahern@gmail.com>, Ingo Molnar <mingo@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 01/23] perf record: Add --all-user/--all-kernel options
Message-ID: <20160217031037.GA11236@tassilo.jf.intel.com>
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 <20160216165601.GF17690@kernel.org>
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> Need to investigate why there are kernel samples when --all-user is used and
> the other way around as well.

This is a known issue due to skid. PEBS usually avoids it.

-Andi