hotspot/test/runtime/CommandLine/PrintTouchedMethods.java
changeset 31790 4a08476437e8
child 32074 54b9558a71a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/CommandLine/PrintTouchedMethods.java	Wed Jul 15 12:24:41 2015 -0700
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8025692
+ * @modules java.base/sun.misc
+ *          java.management
+ * @library /testlibrary
+ * @compile TestLogTouchedMethods.java PrintTouchedMethods.java
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+LogTouchedMethods PrintTouchedMethods
+ */
+
+import java.io.File;
+import java.util.List;
+import jdk.test.lib.*;
+
+public class PrintTouchedMethods {
+
+    public static void main(String args[]) throws Exception {
+      String[] javaArgs1 = {"-XX:-UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(javaArgs1);
+
+      // UnlockDiagnostic turned off, should fail
+      OutputAnalyzer output = new OutputAnalyzer(pb.start());
+      output.shouldContain("Error: VM option 'LogTouchedMethods' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");
+      output.shouldContain("Error: Could not create the Java Virtual Machine.");
+
+      String[] javaArgs2 = {"-XX:+UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      pb = ProcessTools.createJavaProcessBuilder(javaArgs2);
+      output = new OutputAnalyzer(pb.start());
+      // check order:
+      // 1 "# Method::print_touched_methods version 1" is the first in first line
+      // 2 should contain TestLogMethods.methodA:()V
+      // 3 should not contain TestLogMethods.methodB:()V
+      // Repeat above for another run with -Xint
+      List<String> lines = output.asLines();
+
+      if (lines.size() < 1) {
+        throw new Exception("Empty output");
+      }
+
+      String first = lines.get(0);
+      if (!first.equals("# Method::print_touched_methods version 1")) {
+        throw new Exception("First line mismatch");
+      }
+
+      output.shouldContain("TestLogTouchedMethods.methodA:()V");
+      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
+      output.shouldHaveExitValue(0);
+
+      String[] javaArgs3 = {"-XX:+UnlockDiagnosticVMOptions", "-Xint", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      pb = ProcessTools.createJavaProcessBuilder(javaArgs3);
+      output = new OutputAnalyzer(pb.start());
+      lines = output.asLines();
+
+      if (lines.size() < 1) {
+        throw new Exception("Empty output");
+      }
+
+      first = lines.get(0);
+      if (!first.equals("# Method::print_touched_methods version 1")) {
+        throw new Exception("First line mismatch");
+      }
+
+      output.shouldContain("TestLogTouchedMethods.methodA:()V");
+      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
+      output.shouldHaveExitValue(0);
+
+      // Test jcmd PrintTouchedMethods VM.print_touched_methods
+      String pid = Integer.toString(ProcessTools.getProcessId());
+      pb = new ProcessBuilder();
+      pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.print_touched_methods"});
+      output = new OutputAnalyzer(pb.start());
+      try {
+        output.shouldContain("PrintTouchedMethods.main:([Ljava/lang/String;)V");
+      } catch (RuntimeException e) {
+        output.shouldContain("Unknown diagnostic command");
+      }
+  }
+}