linux-kernel - Re: [PATCH v4] tools/perf/metricgroup: Fix printing event names of metric group with multiple events incase of overlapping events

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Date:   Tue, 18 Feb 2020 11:27:08 +0530
From:   kajoljain <kjain@...ux.ibm.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     acme@...nel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
        Anju T Sudhakar <anju@...ux.vnet.ibm.com>,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: Re: [PATCH v4] tools/perf/metricgroup: Fix printing event names of
 metric group with multiple events incase of overlapping events



On 2/17/20 1:51 AM, Jiri Olsa wrote:
> On Wed, Feb 12, 2020 at 11:11:02AM +0530, Kajol Jain wrote:
> 
> SNIP
> 
>>  
>>  	return metric_events[0];
>> @@ -160,6 +161,14 @@ static int metricgroup__setup_events(struct list_head *groups,
>>  	int ret = 0;
>>  	struct egroup *eg;
>>  	struct evsel *evsel;
>> +	bool *evlist_used;
>> +
>> +	evlist_used = (bool *)calloc(perf_evlist->core.nr_entries,
>> +				     sizeof(bool));
>> +	if (!evlist_used) {
>> +		ret = -ENOMEM;
>> +		break;
> 
> hum, how did this compile for you? ;-)
> 
> util/metricgroup.c: In function ‘metricgroup__setup_events’:
> util/metricgroup.c:170:3: error: break statement not within loop or switch
>   170 |   break;
> 
> 
Hi jiri,
        Yes you are right. My bad I send patch from other branch. Will send correct one.
Thanks,
Kajol

> jirka
>