1 /* 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @key nmt jcmd 27 * @library /testlibrary /testlibrary/whitebox 28 * @build ThreadedMallocTestType 29 * @ignore 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox 31 * sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedMallocTestType 33 */ 34 35 import com.oracle.java.testlibrary.*; 36 import sun.hotspot.WhiteBox; 37 38 public class ThreadedMallocTestType { 39 public static long memAlloc1; 40 public static long memAlloc2; 41 public static long memAlloc3; 42 43 public static void main(String args[]) throws Exception { 44 OutputAnalyzer output; 45 final WhiteBox wb = WhiteBox.getWhiteBox(); 46 47 // Grab my own PID 48 String pid = Integer.toString(ProcessTools.getProcessId()); 49 ProcessBuilder pb = new ProcessBuilder(); 50 51 Thread allocThread = new Thread() { 52 public void run() { 53 // Alloc memory using the WB api 54 memAlloc1 = wb.NMTMalloc(128 * 1024); 55 memAlloc2 = wb.NMTMalloc(256 * 1024); 56 memAlloc3 = wb.NMTMalloc(512 * 1024); 57 } 58 }; 59 60 allocThread.start(); 61 allocThread.join(); 62 63 // Run 'jcmd <pid> VM.native_memory summary' 64 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); 65 output = new OutputAnalyzer(pb.start()); 66 output.shouldContain("Test (reserved=896KB, committed=896KB)"); 67 68 Thread freeThread = new Thread() { 69 public void run() { 70 // Free the memory allocated by NMTMalloc 71 wb.NMTFree(memAlloc1); 72 wb.NMTFree(memAlloc2); 73 wb.NMTFree(memAlloc3); 74 } 75 }; 76 77 freeThread.start(); 78 freeThread.join(); 79 80 output = new OutputAnalyzer(pb.start()); 81 output.shouldNotContain("Test (reserved="); 82 } 83 }