Using custom ofagent for scale pipeline debug

Change-Id: I88397fe932e8d9de915c035c8b331d14472f23d7
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 2ad8f2c..87e8b70 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -456,7 +456,7 @@
       sh '''
         mkdir $WORKSPACE/etcd-metrics
         curl -s -X GET -G http://10.90.0.101:31301/api/v1/query --data-urlencode 'query=etcd_debugging_mvcc_keys_total' | jq '.data' > $WORKSPACE/etcd-metrics/etcd-key-count.json
-        curl -s -X GET -G http://10.90.0.101:31301/api/v1/query --data-urlencode 'query=grpc_server_handled_total{grpc_code="OK",grpc_service="etcdserverpb.KV"}' | jq . > $WORKSPACE/etcd-metrics/etcd-rpc-count.json
+        curl -s -X GET -G http://10.90.0.101:31301/api/v1/query --data-urlencode 'query=grpc_server_handled_total{grpc_service="etcdserverpb.KV"}' | jq '.data' > $WORKSPACE/etcd-metrics/etcd-rpc-count.json
         curl -s -X GET -G http://10.90.0.101:31301/api/v1/query --data-urlencode 'query=etcd_debugging_mvcc_db_total_size_in_bytes' | jq '.data' > $WORKSPACE/etcd-metrics/etcd-db-size.json
         curl -s -X GET -G http://10.90.0.101:31301/api/v1/query --data-urlencode 'query=etcd_disk_backend_commit_duration_seconds_sum' | jq '.data'  > $WORKSPACE/etcd-metrics/etcd-backend-write-time.json
       '''