Re: [PATCH 02/14] perf util: Use evsel->name to get tracepoint_paths

[Namhyung Kim <namhyung@kernel.org>]

Hi Jiri,

On Wed, 24 Apr 2013 14:42:57 +0200, Jiri Olsa wrote:
> On Tue, Apr 23, 2013 at 05:31:00PM +0900, Namhyung Kim wrote:
>> From: Namhyung Kim <namhyung.kim@lge.com>
>> 
>> Most tracepoint events already have their system and event name in
>> ->name field so that searching whole event tracing directory for each
>> evsel to match given id is suboptimal.
>> 
>> Cc: Jiri Olsa <jolsa@redhat.com>
>> Cc: Frederic Weisbecker <fweisbec@gmail.com>
>> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
>> ---
>>  tools/perf/util/trace-event-info.c | 19 +++++++++++++++++++
>>  1 file changed, 19 insertions(+)
>> 
>> diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
>> index ab18bf12d54a..dcfc1869c9af 100644
>> --- a/tools/perf/util/trace-event-info.c
>> +++ b/tools/perf/util/trace-event-info.c
>> @@ -414,12 +414,31 @@ get_tracepoints_path(struct list_head *pattrs)
>>  		if (pos->attr.type != PERF_TYPE_TRACEPOINT)
>>  			continue;
>>  		++nr_tracepoints;
>> +
>> +		if (pos->name && strchr(pos->name, ':')) {
>> +			char *str = strchr(pos->name, ':');
>> +
>> +			ppath->next = zalloc(sizeof(path));
>> +			if (!ppath->next)
>> +				goto error;
>> +
>> +			ppath->next->system = strndup(pos->name, str - pos->name);
>> +			ppath->next->name = strdup(str+1);
>> +
>> +			if (!ppath->next->system || !ppath->next->name)
>> +				goto error;
>> +
>> +			goto next;
>> +		}
>
> good idea, could you please move this ^^^ into function ?
> something like 'tracepoint_name_to_path'

Will do!

Thanks,
Namhyung