test/runtime/NMT/ThreadedVirtualAllocTestType.java

Tue, 09 Sep 2014 09:48:42 -0700

author
gtriantafill
date
Tue, 09 Sep 2014 09:48:42 -0700
changeset 7156
4edd7572c235
parent 7110
6640f982c1be
child 7535
7ae4e26cb1e0
permissions
-rw-r--r--

8054836: [TESTBUG] Test is needed to verify correctness of malloc tracking
Reviewed-by: ctornqvi, lfoltan

ctornqvi@4885 1 /*
zgu@7075 2 * Copyright (c) 2013, 2014, 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 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
ctornqvi@4885 64 output = new OutputAnalyzer(pb.start());
ctornqvi@4885 65 output.shouldContain("Test (reserved=512KB, committed=0KB)");
cjplummer@5586 66 if (has_nmt_detail) {
cjplummer@5586 67 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test");
cjplummer@5586 68 }
ctornqvi@4885 69
ctornqvi@4885 70 Thread commitThread = new Thread() {
ctornqvi@4885 71 public void run() {
ctornqvi@4885 72 wb.NMTCommitMemory(addr, commitSize);
ctornqvi@4885 73 }
ctornqvi@4885 74 };
ctornqvi@4885 75 commitThread.start();
ctornqvi@4885 76 commitThread.join();
ctornqvi@4885 77
ctornqvi@4885 78 output = new OutputAnalyzer(pb.start());
ctornqvi@4885 79 output.shouldContain("Test (reserved=512KB, committed=128KB)");
cjplummer@5586 80 if (has_nmt_detail) {
cjplummer@5586 81 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");
cjplummer@5586 82 }
ctornqvi@4885 83
ctornqvi@4885 84 Thread uncommitThread = new Thread() {
ctornqvi@4885 85 public void run() {
ctornqvi@4885 86 wb.NMTUncommitMemory(addr, commitSize);
ctornqvi@4885 87 }
ctornqvi@4885 88 };
ctornqvi@4885 89 uncommitThread.start();
ctornqvi@4885 90 uncommitThread.join();
ctornqvi@4885 91
ctornqvi@4885 92 output = new OutputAnalyzer(pb.start());
ctornqvi@4885 93 output.shouldContain("Test (reserved=512KB, committed=0KB)");
ctornqvi@4885 94 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");
ctornqvi@4885 95
ctornqvi@4885 96 Thread releaseThread = new Thread() {
ctornqvi@4885 97 public void run() {
ctornqvi@4885 98 wb.NMTReleaseMemory(addr, reserveSize);
ctornqvi@4885 99 }
ctornqvi@4885 100 };
ctornqvi@4885 101 releaseThread.start();
ctornqvi@4885 102 releaseThread.join();
ctornqvi@4885 103
ctornqvi@4885 104 output = new OutputAnalyzer(pb.start());
ctornqvi@4885 105 output.shouldNotContain("Test (reserved=");
ctornqvi@4885 106 output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");
ctornqvi@4885 107 }
ctornqvi@4885 108
ctornqvi@4885 109 }

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