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H A Dhists.ca7444af6 Mon Nov 24 02:13:27 CST 2014 Namhyung Kim <namhyung@kernel.org> perf tools: Collapse first level callchain entry if it has sibling

If first level callchain has more than single path like when -g caller
option is given, it should show only first one in the path and hide
others. But it didn't do it properly and just hindered the output.

Before:
- 80.33% 11.11% abc2 abc2 [.] main
+ 86.18% main
13.82% __libc_start_main
main

After:
- 80.33% 11.11% abc2 abc2 [.] main
+ 86.18% main
+ 13.82% __libc_start_main

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1416816807-6495-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>