linux-kernel - Re: [PATCH 01/23] perf record: Add --all-user/--all-kernel options

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Message-ID: <20160217031037.GA11236@tassilo.jf.intel.com>
Date:	Tue, 16 Feb 2016 19:10:37 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 01/23] perf record: Add --all-user/--all-kernel options

> 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