* [PATCH] perf diff: Fix duplicated output column
@ 2016-05-10 12:48 Namhyung Kim
2016-05-10 13:17 ` Jiri Olsa
0 siblings, 1 reply; 3+ 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] 3+ messages in thread
* Re: [PATCH] perf diff: Fix duplicated output column
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
0 siblings, 1 reply; 3+ messages in thread
From: Jiri Olsa @ 2016-05-10 13:17 UTC (permalink / raw)
To: Namhyung Kim
Cc: Arnaldo Carvalho de Melo, Ingo Molnar, Peter Zijlstra, Jiri Olsa,
LKML, stable # 4 . 5
On Tue, May 10, 2016 at 09:48:19PM +0900, Namhyung Kim wrote:
> 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>
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks,
jirka
> ---
> 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 [flat|nested] 3+ messages in thread
* Re: [PATCH] perf diff: Fix duplicated output column
2016-05-10 13:17 ` Jiri Olsa
@ 2016-05-10 13:38 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-05-10 13:38 UTC (permalink / raw)
To: Jiri Olsa
Cc: Namhyung Kim, Ingo Molnar, Peter Zijlstra, Jiri Olsa, LKML,
stable # 4 . 5
Em Tue, May 10, 2016 at 03:17:12PM +0200, Jiri Olsa escreveu:
> On Tue, May 10, 2016 at 09:48:19PM +0900, Namhyung Kim wrote:
> > Cc: stable <stable@vger.kernel.org> # 4.5
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
>
> Acked-by: Jiri Olsa <jolsa@kernel.org>
Thanks, applied to perf/urgent.
- Arnaldo
^ permalink raw reply [flat|nested] 3+ messages in thread
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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
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