perf stat: Do not pass runtime_stat to printout()

It always passes a pointer to rt_stat as it's the only one. Let's not
pass it and directly refer it in the printout().

Signed-off-by: Namhyung Kim <[e-mail]>
Acked-by: Ian Rogers <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Athira Jajeev <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: James Clark <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Kan Liang <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Xing Zhengjun <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/util/stat-display.c

···
 }
 
 static void printout(struct perf_stat_config *config, struct outstate *os,
-		     double uval, u64 run, u64 ena, double noise,
-		     struct runtime_stat *st, int map_idx)
+		     double uval, u64 run, u64 ena, double noise, int map_idx)
 {
 	struct perf_stat_output_ctx out;
 	print_metric_t pm;
···
 
 	if (ok) {
 		perf_stat__print_shadow_stats(config, counter, uval, map_idx,
-					      &out, &config->metric_events, st);
+					      &out, &config->metric_events, &rt_stat);
 	} else {
 		pm(config, &os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
 	}
···
 
 	uval = val * counter->scale;
 
-	printout(config, &os, uval, run, ena, avg, &rt_stat, s);
+	printout(config, &os, uval, run, ena, avg, s);
 
 	if (!metric_only)
 		fputc('\n', output);
···
 			run = ps->aggr[counter_idx].counts.run;
 
 			uval = val * counter->scale;
-			printout(config, &os, uval, run, ena, 1.0, &rt_stat, counter_idx);
+			printout(config, &os, uval, run, ena, 1.0, counter_idx);
 		}
 		if (!first)
 			print_metric_end(config);