ro definitions, from Namhyung Kim.

 * Bash auto completion improvements, now we can auto complete the tools long
   options, tracepoint event names, etc, from Namhyung Kim.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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