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* [PATCH v2] perf: Fix a wrong help message
@ 2025-01-09 15:22 Jiachen Zhang
  2025-01-10  0:29 ` Namhyung Kim
  0 siblings, 1 reply; 3+ messages in thread
From: Jiachen Zhang @ 2025-01-09 15:22 UTC (permalink / raw)
  To: linux-kernel
  Cc: Jiachen Zhang, Peter Zijlstra, Ingo Molnar,
	Arnaldo Carvalho de Melo, Namhyung Kim, Mark Rutland,
	Alexander Shishkin, Jiri Olsa, Ian Rogers, Adrian Hunter,
	Liang, Kan, open list:PERFORMANCE EVENTS SUBSYSTEM

The wrong help message may mislead users. This commit fixes it.

Fixes: 328ccdace885 ("perf report: Add --no-demangle option")
Signed-off-by: Jiachen Zhang <me@jcix.top>
---
 tools/perf/builtin-report.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 048c91960ba9..a5672749f781 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1422,7 +1422,7 @@ int cmd_report(int argc, const char **argv)
 	OPT_STRING(0, "addr2line", &addr2line_path, "path",
 		   "addr2line binary to use for line numbers"),
 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
-		    "Disable symbol demangling"),
+		    "Symbol demangling. Enabled by default, use --no-demangle to disable."),
 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
 		    "Enable kernel symbol demangling"),
 	OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] perf: Fix a wrong help message
  2025-01-09 15:22 [PATCH v2] perf: Fix a wrong help message Jiachen Zhang
@ 2025-01-10  0:29 ` Namhyung Kim
  2025-01-10 14:42   ` Arnaldo Carvalho de Melo
  0 siblings, 1 reply; 3+ messages in thread
From: Namhyung Kim @ 2025-01-10  0:29 UTC (permalink / raw)
  To: Jiachen Zhang
  Cc: linux-kernel, Peter Zijlstra, Ingo Molnar,
	Arnaldo Carvalho de Melo, Mark Rutland, Alexander Shishkin,
	Jiri Olsa, Ian Rogers, Adrian Hunter, Liang, Kan,
	open list:PERFORMANCE EVENTS SUBSYSTEM

On Thu, Jan 09, 2025 at 11:22:19PM +0800, Jiachen Zhang wrote:
> The wrong help message may mislead users. This commit fixes it.
> 
> Fixes: 328ccdace885 ("perf report: Add --no-demangle option")
> Signed-off-by: Jiachen Zhang <me@jcix.top>

Reviewed-by: Namhyung Kim <namhyung@kernel.org>

Thanks,
Namhyung

> ---
>  tools/perf/builtin-report.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 048c91960ba9..a5672749f781 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -1422,7 +1422,7 @@ int cmd_report(int argc, const char **argv)
>  	OPT_STRING(0, "addr2line", &addr2line_path, "path",
>  		   "addr2line binary to use for line numbers"),
>  	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
> -		    "Disable symbol demangling"),
> +		    "Symbol demangling. Enabled by default, use --no-demangle to disable."),
>  	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
>  		    "Enable kernel symbol demangling"),
>  	OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
> -- 
> 2.34.1
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] perf: Fix a wrong help message
  2025-01-10  0:29 ` Namhyung Kim
@ 2025-01-10 14:42   ` Arnaldo Carvalho de Melo
  0 siblings, 0 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2025-01-10 14:42 UTC (permalink / raw)
  To: Namhyung Kim
  Cc: Jiachen Zhang, linux-kernel, Peter Zijlstra, Ingo Molnar,
	Mark Rutland, Alexander Shishkin, Jiri Olsa, Ian Rogers,
	Adrian Hunter, Liang, Kan, open list:PERFORMANCE EVENTS SUBSYSTEM

On Thu, Jan 09, 2025 at 04:29:57PM -0800, Namhyung Kim wrote:
> On Thu, Jan 09, 2025 at 11:22:19PM +0800, Jiachen Zhang wrote:
> > The wrong help message may mislead users. This commit fixes it.
> > 
> > Fixes: 328ccdace885 ("perf report: Add --no-demangle option")
> > Signed-off-by: Jiachen Zhang <me@jcix.top>
> 
> Reviewed-by: Namhyung Kim <namhyung@kernel.org>

Thanks, applied to perf-tools-next,

- Arnaldo
 
> Thanks,
> Namhyung
> 
> > ---
> >  tools/perf/builtin-report.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> > index 048c91960ba9..a5672749f781 100644
> > --- a/tools/perf/builtin-report.c
> > +++ b/tools/perf/builtin-report.c
> > @@ -1422,7 +1422,7 @@ int cmd_report(int argc, const char **argv)
> >  	OPT_STRING(0, "addr2line", &addr2line_path, "path",
> >  		   "addr2line binary to use for line numbers"),
> >  	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
> > -		    "Disable symbol demangling"),
> > +		    "Symbol demangling. Enabled by default, use --no-demangle to disable."),
> >  	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
> >  		    "Enable kernel symbol demangling"),
> >  	OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
> > -- 
> > 2.34.1
> > 

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2025-01-09 15:22 [PATCH v2] perf: Fix a wrong help message Jiachen Zhang
2025-01-10  0:29 ` Namhyung Kim
2025-01-10 14:42   ` Arnaldo Carvalho de Melo

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