diff test/runtime/NMT/PrintNMTStatistics.java @ 7977:879c6de913d6

8005013: Add NMT tests Summary: Add tests for the Native Memory Tracking feature, includes regression tests for 8005936 and 8004802 Reviewed-by: zgu, coleenp
author ctornqvi
date Sat, 02 Feb 2013 16:34:10 +0100
parents
children 1b0dc9f87e75
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/NMT/PrintNMTStatistics.java	Sat Feb 02 16:34:10 2013 +0100
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2013, 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
+ * @key nmt regression
+ * @bug 8005936
+ * @summary Make sure PrintNMTStatistics works on normal JVM exit
+ * @library /testlibrary
+ * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI PrintNMTStatistics.java
+ */
+
+import com.oracle.java.testlibrary.*;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import sun.hotspot.WhiteBox;
+
+public class PrintNMTStatistics {
+
+  public static void main(String args[]) throws Exception {
+
+    // We start a new java process running with an argument and use WB API to ensure
+    // we have data for NMT on VM exit
+    if (args.length > 0) {
+      // Use WB API to ensure that all data has been merged before we continue
+      if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) {
+        throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
+      }
+      return;
+    }
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+UnlockDiagnosticVMOptions",
+        "-XX:NativeMemoryTracking=summary",
+        "+XX:+PrintNMTStatistics",
+        "PrintNMTStatistics",
+        "test");
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldContain("Java Heap  (reserved=");
+    output.shouldNotContain("error");
+    output.shouldNotContain("warning");
+    output.shouldHaveExitValue(0);
+  }
+}