eal: stop lcore iteration after getting telemetry info

Telemetry iterates on lcore ID to collect info of a specific lcore.
Since only one lcore is processed at a time, the iteration can stop
when a matching lcore is found.

Fixes: f2b852d ("eal: add lcore info in telemetry")

Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Robin Jarry <rjarry@redhat.com>

lib/eal/common/eal_common_lcore.c

@@ -564,7 +564,8 @@ lcore_telemetry_info_cb(unsigned int lcore_id, void *arg)
 		rte_tel_data_add_dict_string(info->d, "usage_ratio", ratio_str);
 	}
 
-	return 0;
+	/* Return non-zero positive value to stop iterating over lcore_id. */
+	return 1;
 }
 
 static int