All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] perf diff: Fix duplicated output column
@ 2016-05-10 12:48 Namhyung Kim
  2016-05-10 13:17 ` Jiri Olsa
  2016-05-10 20:33 ` [tip:perf/core] " tip-bot for Namhyung Kim
  0 siblings, 2 replies; 4+ messages in thread
From: Namhyung Kim @ 2016-05-10 12:48 UTC (permalink / raw)
  To: Arnaldo Carvalho de Melo
  Cc: Ingo Molnar, Peter Zijlstra, Jiri Olsa, LKML, stable # 4 . 5

The commit b97511c5bc94 ("perf tools: Add overhead/overhead_children
keys defaults via string") moved initialization of column headers but it
missed to check the sort__mode.  As 'perf diff' doesn't call
perf_hpp__init(), the setup_overhead() also should not be called.

Before:

  # Baseline    Delta  Children  Overhead  Shared Object        Symbol
  # ........  .......  ........  ........  ...................  .......................
  #
      28.48%  -28.47%    28.48%    28.48%  [kernel.vmlinux ]    [k] intel_idle
      11.51%  -11.47%    11.51%    11.51%  libxul.so            [.] 0x0000000001a360f7
       3.49%   -3.49%     3.49%     3.49%  [kernel.vmlinux]     [k] generic_exec_single
       2.91%   -2.89%     2.91%     2.91%  libdbus-1.so.3.8.11  [.] 0x000000000000cdc2
       2.86%   -2.85%     2.86%     2.86%  libxcb.so.1.1.0      [.] 0x000000000000c890
       2.44%   -2.39%     2.44%     2.44%  [kernel.vmlinux]     [k] perf_event_aux_ctx

After:

  # Baseline    Delta  Shared Object        Symbol
  # ........  .......  ...................  .......................
  #
      28.48%  -28.47%  [kernel.vmlinux]     [k] intel_idle
      11.51%  -11.47%  libxul.so            [.] 0x0000000001a360f7
       3.49%   -3.49%  [kernel.vmlinux]     [k] generic_exec_single
       2.91%   -2.89%  libdbus-1.so.3.8.11  [.] 0x000000000000cdc2
       2.86%   -2.85%  libxcb.so.1.1.0      [.] 0x000000000000c890
       2.44%   -2.39%  [kernel.vmlinux]     [k] perf_event_aux_ctx

Cc: stable <stable@vger.kernel.org>  # 4.5
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/sort.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 772e2e461ec3..20e69edd5006 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2438,6 +2438,9 @@ static char *prefix_if_not_in(const char *pre, char *str)
 
 static char *setup_overhead(char *keys)
 {
+	if (sort__mode == SORT_MODE__DIFF)
+		return keys;
+
 	keys = prefix_if_not_in("overhead", keys);
 
 	if (symbol_conf.cumulate_callchain)
-- 
2.8.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-05-10 20:34 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-05-10 12:48 [PATCH] perf diff: Fix duplicated output column Namhyung Kim
2016-05-10 13:17 ` Jiri Olsa
2016-05-10 13:38   ` Arnaldo Carvalho de Melo
2016-05-10 20:33 ` [tip:perf/core] " tip-bot for Namhyung Kim

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.