[유치수] [NOBTS] nanotime, currentTimemillis

git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@568 84d0f5b1-2673-498c-a247-62c4ff18d310

src/main/java/com/profiler/StopWatch.java

@@ -13,10 +13,10 @@ public class StopWatch {
 		Map<String, Long> map = local.get();
 		if (map == null) {
 			map = new HashMap<String, Long>(1);
-			map.put(name, System.currentTimeMillis());
+			map.put(name, System.nanoTime());
 			local.set(map);
 		} else {
-			map.put(name, System.currentTimeMillis());
+			map.put(name, System.nanoTime());
 		}
 	}
 
@@ -25,7 +25,7 @@ public class StopWatch {
 		if (map == null) {
 			throw new IllegalStateException("Stopwatch is not started.");
 		} else {
-			return System.currentTimeMillis() - map.get(name);
+			return System.nanoTime() - map.get(name);
 		}
 	}
 }

src/main/java/com/profiler/context/Span.java

@@ -27,7 +27,7 @@ public class Span {
 		this.traceID = traceId;
 		this.name = name;
 		this.endPoint = endPoint;
-		this.createTime = System.nanoTime();
+		this.createTime = System.currentTimeMillis();
 	}
 
 	public boolean addAnnotation(HippoAnnotation annotation) {