Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/runtime/NMT/ThreadedVirtualAllocTestType.java
test/runtime/NMT/ThreadedVirtualAllocTestType.java
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| 1 /* | |
| 2 * Copyright (c) 2013, 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 ThreadedVirtualAllocTestType | |
| 29 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
| 30 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType | |
| 31 */ | |
| 32 | |
| 33 import com.oracle.java.testlibrary.*; | |
| 34 import sun.hotspot.WhiteBox; | |
| 35 | |
| 36 public class ThreadedVirtualAllocTestType { | |
| 37 public static long addr; | |
| 38 public static final WhiteBox wb = WhiteBox.getWhiteBox(); | |
| 39 public static final long commitSize = 128 * 1024; | |
| 40 public static final long reserveSize = 512 * 1024; | |
| 41 | |
| 42 public static void main(String args[]) throws Exception { | |
| 43 OutputAnalyzer output; | |
| 44 | |
| 45 String pid = Integer.toString(ProcessTools.getProcessId()); | |
| 46 ProcessBuilder pb = new ProcessBuilder(); | |
| 47 | |
| 48 boolean has_nmt_detail = wb.NMTIsDetailSupported(); | |
| 49 if (has_nmt_detail) { | |
| 50 System.out.println("NMT detail support detected."); | |
| 51 } else { | |
| 52 System.out.println("NMT detail support not detected."); | |
| 53 } | |
| 54 | |
| 55 Thread reserveThread = new Thread() { | |
| 56 public void run() { | |
| 57 addr = wb.NMTReserveMemory(reserveSize); | |
| 58 } | |
| 59 }; | |
| 60 reserveThread.start(); | |
| 61 reserveThread.join(); | |
| 62 | |
| 63 mergeData(); | |
| 64 | |
| 65 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); | |
| 66 output = new OutputAnalyzer(pb.start()); | |
| 67 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
| 68 if (has_nmt_detail) { | |
| 69 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test"); | |
| 70 } | |
| 71 | |
| 72 Thread commitThread = new Thread() { | |
| 73 public void run() { | |
| 74 wb.NMTCommitMemory(addr, commitSize); | |
| 75 } | |
| 76 }; | |
| 77 commitThread.start(); | |
| 78 commitThread.join(); | |
| 79 | |
| 80 mergeData(); | |
| 81 | |
| 82 output = new OutputAnalyzer(pb.start()); | |
| 83 output.shouldContain("Test (reserved=512KB, committed=128KB)"); | |
| 84 if (has_nmt_detail) { | |
| 85 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); | |
| 86 } | |
| 87 | |
| 88 Thread uncommitThread = new Thread() { | |
| 89 public void run() { | |
| 90 wb.NMTUncommitMemory(addr, commitSize); | |
| 91 } | |
| 92 }; | |
| 93 uncommitThread.start(); | |
| 94 uncommitThread.join(); | |
| 95 | |
| 96 mergeData(); | |
| 97 | |
| 98 output = new OutputAnalyzer(pb.start()); | |
| 99 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
| 100 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); | |
| 101 | |
| 102 Thread releaseThread = new Thread() { | |
| 103 public void run() { | |
| 104 wb.NMTReleaseMemory(addr, reserveSize); | |
| 105 } | |
| 106 }; | |
| 107 releaseThread.start(); | |
| 108 releaseThread.join(); | |
| 109 | |
| 110 mergeData(); | |
| 111 | |
| 112 output = new OutputAnalyzer(pb.start()); | |
| 113 output.shouldNotContain("Test (reserved="); | |
| 114 output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); | |
| 115 } | |
| 116 | |
| 117 public static void mergeData() throws Exception { | |
| 118 // Use WB API to ensure that all data has been merged before we continue | |
| 119 if (!wb.NMTWaitForDataMerge()) { | |
| 120 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
| 121 } | |
| 122 } | |
| 123 } |
