Wed, 21 May 2014 10:56:41 -0700
Added tag jdk8u20-b15 for changeset 8c785f9bde6f
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @key nmt jcmd |
aoqi@0 | 27 | * @library /testlibrary /testlibrary/whitebox |
aoqi@0 | 28 | * @build ThreadedMallocTestType |
aoqi@0 | 29 | * @run main ClassFileInstaller sun.hotspot.WhiteBox |
aoqi@0 | 30 | * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedMallocTestType |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import com.oracle.java.testlibrary.*; |
aoqi@0 | 34 | import sun.hotspot.WhiteBox; |
aoqi@0 | 35 | |
aoqi@0 | 36 | public class ThreadedMallocTestType { |
aoqi@0 | 37 | public static long memAlloc1; |
aoqi@0 | 38 | public static long memAlloc2; |
aoqi@0 | 39 | public static long memAlloc3; |
aoqi@0 | 40 | |
aoqi@0 | 41 | public static void main(String args[]) throws Exception { |
aoqi@0 | 42 | OutputAnalyzer output; |
aoqi@0 | 43 | final WhiteBox wb = WhiteBox.getWhiteBox(); |
aoqi@0 | 44 | |
aoqi@0 | 45 | // Grab my own PID |
aoqi@0 | 46 | String pid = Integer.toString(ProcessTools.getProcessId()); |
aoqi@0 | 47 | ProcessBuilder pb = new ProcessBuilder(); |
aoqi@0 | 48 | |
aoqi@0 | 49 | Thread allocThread = new Thread() { |
aoqi@0 | 50 | public void run() { |
aoqi@0 | 51 | // Alloc memory using the WB api |
aoqi@0 | 52 | memAlloc1 = wb.NMTMalloc(128 * 1024); |
aoqi@0 | 53 | memAlloc2 = wb.NMTMalloc(256 * 1024); |
aoqi@0 | 54 | memAlloc3 = wb.NMTMalloc(512 * 1024); |
aoqi@0 | 55 | } |
aoqi@0 | 56 | }; |
aoqi@0 | 57 | |
aoqi@0 | 58 | allocThread.start(); |
aoqi@0 | 59 | allocThread.join(); |
aoqi@0 | 60 | |
aoqi@0 | 61 | // Use WB API to ensure that all data has been merged before we continue |
aoqi@0 | 62 | if (!wb.NMTWaitForDataMerge()) { |
aoqi@0 | 63 | throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); |
aoqi@0 | 64 | } |
aoqi@0 | 65 | |
aoqi@0 | 66 | // Run 'jcmd <pid> VM.native_memory summary' |
aoqi@0 | 67 | pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); |
aoqi@0 | 68 | output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 69 | output.shouldContain("Test (reserved=896KB, committed=896KB)"); |
aoqi@0 | 70 | |
aoqi@0 | 71 | Thread freeThread = new Thread() { |
aoqi@0 | 72 | public void run() { |
aoqi@0 | 73 | // Free the memory allocated by NMTMalloc |
aoqi@0 | 74 | wb.NMTFree(memAlloc1); |
aoqi@0 | 75 | wb.NMTFree(memAlloc2); |
aoqi@0 | 76 | wb.NMTFree(memAlloc3); |
aoqi@0 | 77 | } |
aoqi@0 | 78 | }; |
aoqi@0 | 79 | |
aoqi@0 | 80 | freeThread.start(); |
aoqi@0 | 81 | freeThread.join(); |
aoqi@0 | 82 | |
aoqi@0 | 83 | // Use WB API to ensure that all data has been merged before we continue |
aoqi@0 | 84 | if (!wb.NMTWaitForDataMerge()) { |
aoqi@0 | 85 | throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); |
aoqi@0 | 86 | } |
aoqi@0 | 87 | |
aoqi@0 | 88 | output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 89 | output.shouldNotContain("Test (reserved="); |
aoqi@0 | 90 | } |
aoqi@0 | 91 | } |