Re: [PATCH 17/52] perf evlist: Add perf_evlist__set_tracking_event()

[Adrian Hunter]

On 07/22/2014 10:22 PM, Jiri Olsa wrote:
> On Tue, Jul 22, 2014 at 04:17:26PM +0300, Adrian Hunter wrote:
> 
> SNIP
> 
>>  }
>> +
>> +int perf_evlist__set_tracking_event(struct perf_evlist *evlist,
>> +				    struct perf_evsel *tracking_evsel)
>> +{
>> +	struct perf_evsel *evsel;
>> +
>> +	if (tracking_evsel->idx == 0)
>> +		return 0;
>> +
>> +	if (tracking_evsel->leader->nr_members > 1)
>> +		return -EINVAL;
>> +
>> +	list_for_each_entry(evsel, &evlist->entries, node) {
>> +		if (evsel->idx < tracking_evsel->idx)
>> +			evsel->idx += 1;
>> +	}
>> +	tracking_evsel->idx = 0;
>> +
>> +	return 0;
>> +}
> 
> wouldnt it be better to add evsel->is_tracking bool for this?

Yes, I will look at doing that instead.

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