perf evlist: Add suggestion of how to set perf_event_paranoid sysctl
authorArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 10 Jun 2014 20:18:54 +0000 (17:18 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 19 Jun 2014 19:13:12 +0000 (16:13 -0300)
commit5229e366ee6baeb58b77e09643d2e11cbbd29950
treea562927b7bf32c78bca4dbe60ea39687e12d1e73
parentcdcd1e6bd8a92f8353fc2f37003c6eae2d1e6903
perf evlist: Add suggestion of how to set perf_event_paranoid sysctl

Minor hint to speed up problem resolution and get 'trace' working for
non root users.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-abdqi8km4fj9osrn70q2zj9v@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/evlist.c