--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/NMT/AllocTestType.java Sat Feb 02 16:34:10 2013 +0100
@@ -0,0 +1,72 @@
+/*
+ * 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
+ * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd
+ * @key nmt jcmd
+ * @library /testlibrary
+ * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI AllocTestType.java
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail AllocTestType
+ */
+
+import com.oracle.java.testlibrary.*;
+import sun.hotspot.WhiteBox;
+
+public class AllocTestType {
+
+ public static void main(String args[]) throws Exception {
+ OutputAnalyzer output;
+
+ // Grab my own PID
+ String pid = Integer.toString(ProcessTools.getProcessId());
+ ProcessBuilder pb = new ProcessBuilder();
+
+ // Use WB API to alloc with the mtTest type
+ if (!WhiteBox.getWhiteBox().NMTAllocTest()) {
+ throw new Exception("Call to WB API NMTAllocTest() failed");
+ }
+
+ // 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");
+ }
+
+ // Run 'jcmd <pid> VM.native_memory summary'
+ pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
+ output = new OutputAnalyzer(pb.start());
+ output.shouldContain("Test (reserved=512KB, committed=512KB)");
+
+ // Free the memory allocated by NMTAllocTest
+ if (!WhiteBox.getWhiteBox().NMTFreeTestMemory()) {
+ throw new Exception("Call to WB API NMTFreeTestMemory() failed");
+ }
+
+ // 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");
+ }
+ output = new OutputAnalyzer(pb.start());
+ output.shouldNotContain("Test (reserved=");
+ }
+}