linux-kernel - Re: [PATCH v8 3/5] perf jevents: Add support for parsing perchip/percore events

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Date:   Mon, 7 Sep 2020 12:10:05 +0530
From:   kajoljain <kjain@...ux.ibm.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     acme@...nel.org, peterz@...radead.org, mingo@...hat.com,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        pc@...ibm.com, namhyung@...nel.org, ak@...ux.intel.com,
        yao.jin@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, irogers@...gle.com,
        maddy@...ux.ibm.com, ravi.bangoria@...ux.ibm.com,
        john.garry@...wei.com
Subject: Re: [PATCH v8 3/5] perf jevents: Add support for parsing
 perchip/percore events



On 9/6/20 6:25 PM, Jiri Olsa wrote:
> On Sun, Sep 06, 2020 at 04:50:02PM +0530, Kajol Jain wrote:
> 
> SNIP
> 
>>  typedef int (*func)(void *data, struct json_event *je);
>>  
>>  int eprintf(int level, int var, const char *fmt, ...)
>> @@ -355,6 +368,8 @@ static int print_events_table_entry(void *data, struct json_event *je)
>>  		fprintf(outfp, "\t.unit = \"%s\",\n", je->unit);
>>  	if (je->perpkg)
>>  		fprintf(outfp, "\t.perpkg = \"%s\",\n", je->perpkg);
>> +	if (je->aggr_mode)
>> +		fprintf(outfp, "\t.aggr_mode = \"%d\",\n", convert(je->aggr_mode));
>>  	if (je->metric_expr)
>>  		fprintf(outfp, "\t.metric_expr = \"%s\",\n", je->metric_expr);
>>  	if (je->metric_name)
>> @@ -379,6 +394,7 @@ struct event_struct {
>>  	char *pmu;
>>  	char *unit;
>>  	char *perpkg;
>> +	char *aggr_mode;
>>  	char *metric_expr;
>>  	char *metric_name;
>>  	char *metric_group;
>> @@ -408,6 +424,7 @@ struct event_struct {
>>  	op(pmu);						\
>>  	op(unit);						\
>>  	op(perpkg);						\
>> +	op(aggr_mode);						\
>>  	op(metric_expr);					\
>>  	op(metric_name);					\
>>  	op(metric_group);					\
>> @@ -613,6 +630,8 @@ static int json_events(const char *fn,
>>  				addfield(map, &je.unit, "", "", val);
>>  			} else if (json_streq(map, field, "PerPkg")) {
>>  				addfield(map, &je.perpkg, "", "", val);
>> +			} else if (json_streq(map, field, "AggregationMode")) {
>> +				addfield(map, &je.aggr_mode, "", "", val);
> 
> I think you should free je.aggr_mode

My bad, missed that part. Will send updated one.

Thanks,
Kajol Jain
> 
> jirka
> 
>>  			} else if (json_streq(map, field, "Deprecated")) {
>>  				addfield(map, &je.deprecated, "", "", val);
>>  			} else if (json_streq(map, field, "MetricName")) {
>> diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
>> index c8f306b572f4..7da1a3743b77 100644
>> --- a/tools/perf/pmu-events/pmu-events.h
>> +++ b/tools/perf/pmu-events/pmu-events.h
>> @@ -2,6 +2,11 @@
>>  #ifndef PMU_EVENTS_H
>>  #define PMU_EVENTS_H
>>  
>> +enum aggr_mode_class {
>> +	PerChip = 1,
>> +	PerCore
>> +};
>> +
>>  /*
>>   * Describe each PMU event. Each CPU has a table of PMU events.
>>   */
>> @@ -14,6 +19,7 @@ struct pmu_event {
>>  	const char *pmu;
>>  	const char *unit;
>>  	const char *perpkg;
>> +	const char *aggr_mode;
>>  	const char *metric_expr;
>>  	const char *metric_name;
>>  	const char *metric_group;
>> -- 
>> 2.26.2
>>
>