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perf ui/stdio: Align column header for hierarchy output

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The hierarchy output mode is to group entries so the existing columns
won't fit to the new output.  Treat all sort keys as a single column and
separate headers by "/".

  #    Overhead  Command / Shared Object
  # ...........  ................................
  #
      15.11%     swapper
         14.97%     [kernel.vmlinux]
          0.09%     [libahci]
          0.05%     [iwlwifi]
  ...

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1456326830-30456-11-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2016-02-25 00:13:42 +09:00
committed by Arnaldo Carvalho de Melo
parent ef86d68a08
commit 8e2fc44f46
3 changed files with 116 additions and 0 deletions
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tools/perf/util/util.h
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@@ -82,6 +82,8 @@
extern const char *graph_line;
extern const char *graph_dotted_line;
extern const char *spaces;
extern const char *dots;
extern char buildid_dir[];
/* On most systems <limits.h> would have given us this, but