perf tools: Document --children option in more detail
As the --children option changes the output of perf report (and perf top) it sometimes confuses users. Add more words and examples to help understanding of the option's behavior - and how to disable it ;-). Signed-off-by:Namhyung Kim <namhyung@kernel.org> Reviewed-by:
Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Taeung Song <treeze.taeung@gmail.com> Link: http://lkml.kernel.org/r/1429684425-14987-1-git-send-email-namhyung@kernel.org Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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