Wed, 21 May 2014 10:56:41 -0700
Added tag jdk8u20-b15 for changeset 8c785f9bde6f
ctornqvi@4885 | 1 | /* |
ctornqvi@4885 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
ctornqvi@4885 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ctornqvi@4885 | 4 | * |
ctornqvi@4885 | 5 | * This code is free software; you can redistribute it and/or modify it |
ctornqvi@4885 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ctornqvi@4885 | 7 | * published by the Free Software Foundation. |
ctornqvi@4885 | 8 | * |
ctornqvi@4885 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ctornqvi@4885 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ctornqvi@4885 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ctornqvi@4885 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
ctornqvi@4885 | 13 | * accompanied this code). |
ctornqvi@4885 | 14 | * |
ctornqvi@4885 | 15 | * You should have received a copy of the GNU General Public License version |
ctornqvi@4885 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
ctornqvi@4885 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ctornqvi@4885 | 18 | * |
ctornqvi@4885 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ctornqvi@4885 | 20 | * or visit www.oracle.com if you need additional information or have any |
ctornqvi@4885 | 21 | * questions. |
ctornqvi@4885 | 22 | */ |
ctornqvi@4885 | 23 | |
ctornqvi@4885 | 24 | /* |
ctornqvi@4885 | 25 | * @test |
ctornqvi@4885 | 26 | * @key nmt jcmd |
ctornqvi@4885 | 27 | * @library /testlibrary /testlibrary/whitebox |
ctornqvi@4885 | 28 | * @build ThreadedVirtualAllocTestType |
ctornqvi@4885 | 29 | * @run main ClassFileInstaller sun.hotspot.WhiteBox |
ctornqvi@4885 | 30 | * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType |
ctornqvi@4885 | 31 | */ |
ctornqvi@4885 | 32 | |
ctornqvi@4885 | 33 | import com.oracle.java.testlibrary.*; |
ctornqvi@4885 | 34 | import sun.hotspot.WhiteBox; |
ctornqvi@4885 | 35 | |
ctornqvi@4885 | 36 | public class ThreadedVirtualAllocTestType { |
ctornqvi@4885 | 37 | public static long addr; |
ctornqvi@4885 | 38 | public static final WhiteBox wb = WhiteBox.getWhiteBox(); |
ctornqvi@4885 | 39 | public static final long commitSize = 128 * 1024; |
ctornqvi@4885 | 40 | public static final long reserveSize = 512 * 1024; |
ctornqvi@4885 | 41 | |
ctornqvi@4885 | 42 | public static void main(String args[]) throws Exception { |
ctornqvi@4885 | 43 | OutputAnalyzer output; |
ctornqvi@4885 | 44 | |
ctornqvi@4885 | 45 | String pid = Integer.toString(ProcessTools.getProcessId()); |
ctornqvi@4885 | 46 | ProcessBuilder pb = new ProcessBuilder(); |
ctornqvi@4885 | 47 | |
cjplummer@5586 | 48 | boolean has_nmt_detail = wb.NMTIsDetailSupported(); |
cjplummer@5586 | 49 | if (has_nmt_detail) { |
cjplummer@5586 | 50 | System.out.println("NMT detail support detected."); |
cjplummer@5586 | 51 | } else { |
cjplummer@5586 | 52 | System.out.println("NMT detail support not detected."); |
cjplummer@5586 | 53 | } |
cjplummer@5586 | 54 | |
ctornqvi@4885 | 55 | Thread reserveThread = new Thread() { |
ctornqvi@4885 | 56 | public void run() { |
ctornqvi@4885 | 57 | addr = wb.NMTReserveMemory(reserveSize); |
ctornqvi@4885 | 58 | } |
ctornqvi@4885 | 59 | }; |
ctornqvi@4885 | 60 | reserveThread.start(); |
ctornqvi@4885 | 61 | reserveThread.join(); |
ctornqvi@4885 | 62 | |
ctornqvi@4885 | 63 | mergeData(); |
ctornqvi@4885 | 64 | |
ctornqvi@4885 | 65 | pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); |
ctornqvi@4885 | 66 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 67 | output.shouldContain("Test (reserved=512KB, committed=0KB)"); |
cjplummer@5586 | 68 | if (has_nmt_detail) { |
cjplummer@5586 | 69 | output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test"); |
cjplummer@5586 | 70 | } |
ctornqvi@4885 | 71 | |
ctornqvi@4885 | 72 | Thread commitThread = new Thread() { |
ctornqvi@4885 | 73 | public void run() { |
ctornqvi@4885 | 74 | wb.NMTCommitMemory(addr, commitSize); |
ctornqvi@4885 | 75 | } |
ctornqvi@4885 | 76 | }; |
ctornqvi@4885 | 77 | commitThread.start(); |
ctornqvi@4885 | 78 | commitThread.join(); |
ctornqvi@4885 | 79 | |
ctornqvi@4885 | 80 | mergeData(); |
ctornqvi@4885 | 81 | |
ctornqvi@4885 | 82 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 83 | output.shouldContain("Test (reserved=512KB, committed=128KB)"); |
cjplummer@5586 | 84 | if (has_nmt_detail) { |
cjplummer@5586 | 85 | output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); |
cjplummer@5586 | 86 | } |
ctornqvi@4885 | 87 | |
ctornqvi@4885 | 88 | Thread uncommitThread = new Thread() { |
ctornqvi@4885 | 89 | public void run() { |
ctornqvi@4885 | 90 | wb.NMTUncommitMemory(addr, commitSize); |
ctornqvi@4885 | 91 | } |
ctornqvi@4885 | 92 | }; |
ctornqvi@4885 | 93 | uncommitThread.start(); |
ctornqvi@4885 | 94 | uncommitThread.join(); |
ctornqvi@4885 | 95 | |
ctornqvi@4885 | 96 | mergeData(); |
ctornqvi@4885 | 97 | |
ctornqvi@4885 | 98 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 99 | output.shouldContain("Test (reserved=512KB, committed=0KB)"); |
ctornqvi@4885 | 100 | output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); |
ctornqvi@4885 | 101 | |
ctornqvi@4885 | 102 | Thread releaseThread = new Thread() { |
ctornqvi@4885 | 103 | public void run() { |
ctornqvi@4885 | 104 | wb.NMTReleaseMemory(addr, reserveSize); |
ctornqvi@4885 | 105 | } |
ctornqvi@4885 | 106 | }; |
ctornqvi@4885 | 107 | releaseThread.start(); |
ctornqvi@4885 | 108 | releaseThread.join(); |
ctornqvi@4885 | 109 | |
ctornqvi@4885 | 110 | mergeData(); |
ctornqvi@4885 | 111 | |
ctornqvi@4885 | 112 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 113 | output.shouldNotContain("Test (reserved="); |
ctornqvi@4885 | 114 | output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); |
ctornqvi@4885 | 115 | } |
ctornqvi@4885 | 116 | |
ctornqvi@4885 | 117 | public static void mergeData() throws Exception { |
ctornqvi@4885 | 118 | // Use WB API to ensure that all data has been merged before we continue |
ctornqvi@4885 | 119 | if (!wb.NMTWaitForDataMerge()) { |
ctornqvi@4885 | 120 | throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); |
ctornqvi@4885 | 121 | } |
ctornqvi@4885 | 122 | } |
ctornqvi@4885 | 123 | } |