linux-kernel - Re: [PATCH 5/8] perf tools: Add support of name_only for print_events

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Date:	Wed, 8 Jan 2014 13:19:28 -0200
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, dsahern@...il.com,
	artagnon@...il.com
Subject: Re: [PATCH 5/8] perf tools: Add support of name_only for
 print_events_type() function.

Em Mon, Dec 30, 2013 at 10:26:40AM -0500, Dongsheng Yang escreveu:
> The all print_xxx_event() functions are supporting name_only argument except
> print_event_type().
> 
> This patch add an argument of name_only for print_events_type() function.

This one looks ok, as the 'name_only' parameter name together with your
changeset comments provides enough context to understand the patch at a
glance.

But it doesn't applies, as the previous one needs changes to address my
comments,

- Arnaldo
 
> Signed-off-by: Dongsheng Yang <yangds.fnst@...fujitsu.com>
> ---
>  tools/perf/util/parse-events.c | 14 ++++++++------
>  tools/perf/util/parse-events.h |  2 +-
>  2 files changed, 9 insertions(+), 7 deletions(-)
> 
> diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
> index e2a2066..d70f362 100644
> --- a/tools/perf/util/parse-events.c
> +++ b/tools/perf/util/parse-events.c
> @@ -1122,7 +1122,7 @@ static bool is_event_supported(u8 type, unsigned config)
>  }
>  
>  static unsigned int __print_events_type(u8 type, struct event_symbol *syms,
> -					unsigned max)
> +					unsigned max, bool name_only)
>  {
>  	char name[64];
>  	unsigned i;
> @@ -1137,20 +1137,22 @@ static unsigned int __print_events_type(u8 type, struct event_symbol *syms,
>  				 syms->symbol, syms->alias);
>  		else
>  			snprintf(name, sizeof(name), "%s", syms->symbol);
> -
> -		printf("  %-50s [%s]\n", name, event_type_descriptors[type]);
> +		if (name_only)
> +			printf("  %-50s\n", name);
> +		else
> +			printf("  %-50s [%s]\n", name, event_type_descriptors[type]);
>  		count++;
>  	}
>  
>  	return count;
>  }
>  
> -unsigned int print_events_type(u8 type)
> +unsigned int print_events_type(u8 type, bool name_only)
>  {
>  	if (type == PERF_TYPE_SOFTWARE)
> -		return __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX);
> +		return __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
>  	else
> -		return __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX);
> +		return __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX, name_only);
>  }
>  
>  unsigned int print_hwcache_events(const char *event_glob, bool name_only)
> diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
> index bb7d674..148a767 100644
> --- a/tools/perf/util/parse-events.h
> +++ b/tools/perf/util/parse-events.h
> @@ -102,7 +102,7 @@ void parse_events_update_lists(struct list_head *list_event,
>  void parse_events_error(void *data, void *scanner, char const *msg);
>  
>  unsigned int print_events(const char *event_glob, bool name_only);
> -unsigned int print_events_type(u8 type);
> +unsigned int print_events_type(u8 type, bool name_only);
>  unsigned int print_tracepoint_events(const char *subsys_glob, const char *event_glob,
>  			     bool name_only);
>  unsigned int print_hwcache_events(const char *event_glob, bool name_only);
> -- 
> 1.8.2.1
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