perf tools: Handle -h and -v options
Adding handling for '-h' and '-v' options to invoke help and version command respectively. Current behaviour is: $ perf -v Unknown option: -v Usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS] $ perf -h Unknown option: -h Usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS] New behaviour: $ perf -h usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS] The most commonly used perf commands are: annotate Read perf.data (created by perf record) and display annotated code archive Create archive with object files with build-ids found in perf.data file bench General framework for benchmark suites ... $ perf -v perf version 4.3.rc3.gc99e32 Updated man page. Requested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1444068369-20978-10-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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