trace command skip jdk method by default. #958

core/src/main/java/com/taobao/arthas/core/command/monitor200/TraceCommand.java

@@ -10,6 +10,7 @@ import com.taobao.arthas.core.util.matcher.RegexMatcher;
 import com.taobao.arthas.core.util.matcher.TrueMatcher;
 import com.taobao.arthas.core.util.matcher.WildcardMatcher;
 import com.taobao.middleware.cli.annotations.Argument;
+import com.taobao.middleware.cli.annotations.DefaultValue;
 import com.taobao.middleware.cli.annotations.Description;
 import com.taobao.middleware.cli.annotations.Name;
 import com.taobao.middleware.cli.annotations.Option;
@@ -83,8 +84,9 @@ public class TraceCommand extends EnhancerCommand {
         this.pathPatterns = pathPatterns;
     }
 
-    @Option(shortName = "j", longName = "jdkMethodSkip")
+    @Option(longName = "skipJDKMethod")
-    @Description("skip jdk method trace")
+    @DefaultValue("true")
+    @Description("skip jdk method trace, default value true.")
     public void setSkipJDKTrace(boolean skipJDKTrace) {
         this.skipJDKTrace = skipJDKTrace;
     }