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

From: Jiri Olsa
Date: Sun Sep 06 2020 - 08:56:37 EST


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

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
>