diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
index 71608fc..a64ae36 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
@@ -1157,4 +1157,21 @@
 		}
 		return aliasLists;
 	}
+	
+	public static int countMethodExecutionInTraceCollector(List<MethodExecution> methodExecutions, String targetSignature, int count, String indent) {
+		if (methodExecutions == null || methodExecutions.isEmpty()) {
+			return count;
+		}
+		for (int i = 0; i < methodExecutions.size(); i++) {
+			MethodExecution me = methodExecutions.get(i);
+			String signature = me.getSignature();
+//			System.out.println(indent + signature);
+			if (targetSignature.equals(signature)) {
+				count++;
+			}
+			List<MethodExecution> children = me.getChildren();
+			count = countMethodExecutionInTraceCollector(children, targetSignature, count, indent + "--------");
+		}
+		return count;
+	}
 }