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

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Date:	Thu, 09 Jan 2014 09:37:34 -0500
From:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.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.

On 01/08/2014 10:19 AM, Arnaldo Carvalho de Melo wrote:
> 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,

Okey, Thanx
>
> - 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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