jdk8-mips64-public/hotspot: test/runtime/NMT/VirtualAllocTestType.java@fb9d124d9192 (annotated)

test/runtime/NMT/VirtualAllocTestType.java@fb9d124d9192 (annotated)

test/runtime/NMT/VirtualAllocTestType.java

Wed, 21 May 2014 10:56:41 -0700

author: katleman
date: Wed, 21 May 2014 10:56:41 -0700
changeset 6672: fb9d124d9192
parent 5586: 5fd8e2fbafd4
child 6876: 710a3c8b516e
child 7075: ac12996df59b
permissions: -rw-r--r--

Added tag jdk8u20-b15 for changeset 8c785f9bde6f

 /*
  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @summary Test Reserve/Commit/Uncommit/Release of virtual memory and that we track it correctly
  * @key nmt jcmd
  * @library /testlibrary /testlibrary/whitebox
  * @build VirtualAllocTestType
  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocTestType
  */
 import com.oracle.java.testlibrary.*;
 import sun.hotspot.WhiteBox;
 public class VirtualAllocTestType {
   public static WhiteBox wb = WhiteBox.getWhiteBox();
   public static void main(String args[]) throws Exception {
     OutputAnalyzer output;
     long commitSize = 128 * 1024;
     long reserveSize = 256 * 1024;
     long addr;
     String pid = Integer.toString(ProcessTools.getProcessId());
     ProcessBuilder pb = new ProcessBuilder();
     boolean has_nmt_detail = wb.NMTIsDetailSupported();
     if (has_nmt_detail) {
       System.out.println("NMT detail support detected.");
     } else {
       System.out.println("NMT detail support not detected.");
     }
     addr = wb.NMTReserveMemory(reserveSize);
     mergeData();
     pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
     output = new OutputAnalyzer(pb.start());
     output.shouldContain("Test (reserved=256KB, committed=0KB)");
     if (has_nmt_detail) {
       output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 256KB for Test");
     }
     wb.NMTCommitMemory(addr, commitSize);
     mergeData();
     output = new OutputAnalyzer(pb.start());
     output.shouldContain("Test (reserved=256KB, committed=128KB)");
     if (has_nmt_detail) {
       output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");
     }
     wb.NMTUncommitMemory(addr, commitSize);
     mergeData();
     output = new OutputAnalyzer(pb.start());
     output.shouldContain("Test (reserved=256KB, committed=0KB)");
     output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");
     wb.NMTReleaseMemory(addr, reserveSize);
     mergeData();
     output = new OutputAnalyzer(pb.start());
     output.shouldNotContain("Test (reserved=");
     output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");
   }
   public static void mergeData() throws Exception {
     // Use WB API to ensure that all data has been merged before we continue
     if (!wb.NMTWaitForDataMerge()) {
       throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
     }
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/runtime/NMT/VirtualAllocTestType.java@fb9d124d9192 (annotated)

test/runtime/NMT/VirtualAllocTestType.java