hotspot/test/runtime/NMT/ThreadedVirtualAllocTestType.java
author cjplummer
Thu, 29 Oct 2015 12:04:04 -0700
changeset 33730 30e064828045
parent 30604 b8d532cb6420
child 36851 03e2f4d0a421
permissions -rw-r--r--
8140189: [TESTBUG] Get rid of "@library /../../test/lib" in jtreg tests Summary: Use new external.lib.roots property in TEST.ROOT so /../../test/lib is not needed. Reviewed-by: mseledtsov, sla, iklam
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/*
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 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @key nmt jcmd
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 * @library /testlibrary /test/lib
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 * @modules java.base/sun.misc
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 *          java.management
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 * @build ThreadedVirtualAllocTestType
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 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType
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 */
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import jdk.test.lib.*;
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import sun.hotspot.WhiteBox;
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public class ThreadedVirtualAllocTestType {
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  public static long addr;
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  public static final WhiteBox wb = WhiteBox.getWhiteBox();
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  public static final long commitSize = 128 * 1024;
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  public static final long reserveSize = 512 * 1024;
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  public static void main(String args[]) throws Exception {
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    OutputAnalyzer output;
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    String pid = Integer.toString(ProcessTools.getProcessId());
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    ProcessBuilder pb = new ProcessBuilder();
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    Thread reserveThread = new Thread() {
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      public void run() {
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        addr = wb.NMTReserveMemory(reserveSize);
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      }
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    };
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    reserveThread.start();
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    reserveThread.join();
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    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
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    output = new OutputAnalyzer(pb.start());
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    output.shouldContain("Test (reserved=512KB, committed=0KB)");
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    output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test");
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    Thread commitThread = new Thread() {
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      public void run() {
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        wb.NMTCommitMemory(addr, commitSize);
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      }
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    };
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    commitThread.start();
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    commitThread.join();
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    output = new OutputAnalyzer(pb.start());
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    output.shouldContain("Test (reserved=512KB, committed=128KB)");
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    output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");
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    Thread uncommitThread = new Thread() {
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      public void run() {
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        wb.NMTUncommitMemory(addr, commitSize);
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      }
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    };
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    uncommitThread.start();
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    uncommitThread.join();
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    output = new OutputAnalyzer(pb.start());
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    output.shouldContain("Test (reserved=512KB, committed=0KB)");
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    output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");
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    Thread releaseThread = new Thread() {
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      public void run() {
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        wb.NMTReleaseMemory(addr, reserveSize);
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      }
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    };
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    releaseThread.start();
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    releaseThread.join();
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    output = new OutputAnalyzer(pb.start());
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    output.shouldNotContain("Test (reserved=");
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    output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");
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  }
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}