1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/runtime/NMT/ThreadedVirtualAllocTestType.java Wed Apr 03 21:41:33 2013 +0200
1.3 @@ -0,0 +1,112 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @key nmt jcmd
1.30 + * @library /testlibrary /testlibrary/whitebox
1.31 + * @build ThreadedVirtualAllocTestType
1.32 + * @run main ClassFileInstaller sun.hotspot.WhiteBox
1.33 + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType
1.34 + */
1.35 +
1.36 +import com.oracle.java.testlibrary.*;
1.37 +import sun.hotspot.WhiteBox;
1.38 +
1.39 +public class ThreadedVirtualAllocTestType {
1.40 + public static long addr;
1.41 + public static final WhiteBox wb = WhiteBox.getWhiteBox();
1.42 + public static final long commitSize = 128 * 1024;
1.43 + public static final long reserveSize = 512 * 1024;
1.44 +
1.45 + public static void main(String args[]) throws Exception {
1.46 + OutputAnalyzer output;
1.47 +
1.48 + String pid = Integer.toString(ProcessTools.getProcessId());
1.49 + ProcessBuilder pb = new ProcessBuilder();
1.50 +
1.51 + Thread reserveThread = new Thread() {
1.52 + public void run() {
1.53 + addr = wb.NMTReserveMemory(reserveSize);
1.54 + }
1.55 + };
1.56 + reserveThread.start();
1.57 + reserveThread.join();
1.58 +
1.59 + mergeData();
1.60 +
1.61 + pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
1.62 + output = new OutputAnalyzer(pb.start());
1.63 + output.shouldContain("Test (reserved=512KB, committed=0KB)");
1.64 + output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test");
1.65 +
1.66 + Thread commitThread = new Thread() {
1.67 + public void run() {
1.68 + wb.NMTCommitMemory(addr, commitSize);
1.69 + }
1.70 + };
1.71 + commitThread.start();
1.72 + commitThread.join();
1.73 +
1.74 + mergeData();
1.75 +
1.76 + output = new OutputAnalyzer(pb.start());
1.77 + output.shouldContain("Test (reserved=512KB, committed=128KB)");
1.78 + output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");
1.79 +
1.80 + Thread uncommitThread = new Thread() {
1.81 + public void run() {
1.82 + wb.NMTUncommitMemory(addr, commitSize);
1.83 + }
1.84 + };
1.85 + uncommitThread.start();
1.86 + uncommitThread.join();
1.87 +
1.88 + mergeData();
1.89 +
1.90 + output = new OutputAnalyzer(pb.start());
1.91 + output.shouldContain("Test (reserved=512KB, committed=0KB)");
1.92 + output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");
1.93 +
1.94 + Thread releaseThread = new Thread() {
1.95 + public void run() {
1.96 + wb.NMTReleaseMemory(addr, reserveSize);
1.97 + }
1.98 + };
1.99 + releaseThread.start();
1.100 + releaseThread.join();
1.101 +
1.102 + mergeData();
1.103 +
1.104 + output = new OutputAnalyzer(pb.start());
1.105 + output.shouldNotContain("Test (reserved=");
1.106 + output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");
1.107 + }
1.108 +
1.109 + public static void mergeData() throws Exception {
1.110 + // Use WB API to ensure that all data has been merged before we continue
1.111 + if (!wb.NMTWaitForDataMerge()) {
1.112 + throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
1.113 + }
1.114 + }
1.115 +}
