diff --git a/src/main/java/com/nhn/pinpoint/bootstrap/context/Metric.java b/src/main/java/com/nhn/pinpoint/bootstrap/context/Metric.java
new file mode 100644
index 000000000..b84402a0a
--- /dev/null
+++ b/src/main/java/com/nhn/pinpoint/bootstrap/context/Metric.java
@@ -0,0 +1,7 @@
+package com.nhn.pinpoint.bootstrap.context;
+
+/**
+ * @author emeroad
+ */
+public interface Metric {
+}
diff --git a/src/main/java/com/nhn/pinpoint/bootstrap/context/Trace.java b/src/main/java/com/nhn/pinpoint/bootstrap/context/Trace.java
index f250f5fbb..055dcd501 100644
--- a/src/main/java/com/nhn/pinpoint/bootstrap/context/Trace.java
+++ b/src/main/java/com/nhn/pinpoint/bootstrap/context/Trace.java
@@ -27,6 +27,8 @@ public interface Trace {
 
     void traceRootBlockEnd();
 
+    void traceRootBlockEnd(Metric responseMetric);
+
     void traceBlockEnd();
 
     void traceBlockEnd(int stackId);
diff --git a/src/main/java/com/nhn/pinpoint/bootstrap/context/TraceContext.java b/src/main/java/com/nhn/pinpoint/bootstrap/context/TraceContext.java
index 1973b1c44..33637e143 100644
--- a/src/main/java/com/nhn/pinpoint/bootstrap/context/TraceContext.java
+++ b/src/main/java/com/nhn/pinpoint/bootstrap/context/TraceContext.java
@@ -1,5 +1,6 @@
 package com.nhn.pinpoint.bootstrap.context;
 
+import com.nhn.pinpoint.common.ServiceType;
 import com.nhn.pinpoint.common.util.ParsingResult;
 import com.nhn.pinpoint.bootstrap.config.ProfilerConfig;
 import com.nhn.pinpoint.bootstrap.interceptor.MethodDescriptor;
@@ -43,9 +44,15 @@ public interface TraceContext {
 
     DatabaseInfo parseJdbcUrl(String sql);
 
+    DatabaseInfo createDatabaseInfo(ServiceType type, ServiceType executeQueryType, String url, int port, String databaseId);
+
     TraceId createTraceId(String transactionId, long parentSpanID, long spanID, short flags);
 
     void disableSampling();
 
     ProfilerConfig getProfilerConfig();
+
+    Metric getRpcMetric(ServiceType serviceType);
+
+    Metric getContextMetric();
 }