From: Namhyung Kim <namhyung@gmail.com>
Date: Sat, 7 Jan 2012 17:25:27 +0000 (+0900)
Subject: perf top: Add error message for EMFILE
X-Git-Tag: v3.3-rc1~51^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdce445906852d90efdc773ca7ba460e6e41664d;p=pandora-kernel.git

perf top: Add error message for EMFILE

When a user tries to open so many events, perf_event_open syscall may
fail with EMFILE. Provide advise for that case.

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/1325957132-10600-3-git-send-email-namhyung@gmail.com
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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