From: Nelson Elhage <nelhage@nelhage.com>
Date: Mon, 19 Dec 2011 13:39:31 +0000 (-0500)
Subject: perf: builtin-record: Provide advice if mmap'ing fails with EPERM.
X-Git-Tag: v3.3-rc1~192^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18e6093904abfd51671ff5846c2fdaba9ebbf21b;p=pandora-kernel.git

perf: builtin-record: Provide advice if mmap'ing fails with EPERM.

This failure is most likely due to running up against the
kernel.perf_event_mlock_kb sysctl, so we can tell the user what to do to
fix the issue.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1324301972-22740-3-git-send-email-nelhage@nelhage.com
Signed-off-by: Nelson Elhage <nelhage@nelhage.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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