--- a/test/hotspot/jtreg/runtime/NMT/VirtualAllocCommitMerge.java Tue Jan 30 10:38:17 2018 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,283 +0,0 @@
-/*
- * Copyright (c) 2014, 2016, 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 merging of committed virtual memory and that we track it correctly
- * @key nmt jcmd
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- * java.management
- * @build sun.hotspot.WhiteBox
- * @run main ClassFileInstaller sun.hotspot.WhiteBox
- * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocCommitMerge
- *
- */
-
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.JDKToolFinder;
-
-import sun.hotspot.WhiteBox;
-
-public class VirtualAllocCommitMerge {
-
- public static WhiteBox wb = WhiteBox.getWhiteBox();
-
- public static void main(String args[]) throws Exception {
- OutputAnalyzer output;
- long commitSize = 128 * 1024; // 128KB
- long reserveSize = 4 * 1024 * 1024; // 4096KB
- long addr;
-
- String pid = Long.toString(ProcessTools.getProcessId());
- ProcessBuilder pb = new ProcessBuilder();
-
- // reserve
- addr = wb.NMTReserveMemory(reserveSize);
- pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid,
- "VM.native_memory", "detail" });
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- long addrA = addr + (0 * commitSize);
- long addrB = addr + (1 * commitSize);
- long addrC = addr + (2 * commitSize);
- long addrD = addr + (3 * commitSize);
- long addrE = addr + (4 * commitSize);
-
- // Test discontigous areas
- {
- // commit ACE
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrC, commitSize);
- wb.NMTCommitMemory(addrE, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, commitSize, "128KB");
- checkCommitted(output, addrC, commitSize, "128KB");
- checkCommitted(output, addrE, commitSize, "128KB");
-
- // uncommit ACE
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrC, commitSize);
- wb.NMTUncommitMemory(addrE, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- // Test contiguous areas
- {
- // commit AB
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "256KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 2 * commitSize, "256KB");
-
- // uncommit AB
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit BA
- wb.NMTCommitMemory(addrB, commitSize);
- wb.NMTCommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "256KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 2 * commitSize, "256KB");
-
- // uncommit AB
- wb.NMTUncommitMemory(addrB, commitSize);
- wb.NMTUncommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit ABC
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrB, commitSize);
- wb.NMTCommitMemory(addrC, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrB, commitSize);
- wb.NMTUncommitMemory(addrC, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit ACB
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrC, commitSize);
- wb.NMTCommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrC, commitSize);
- wb.NMTUncommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit BAC
- wb.NMTCommitMemory(addrB, commitSize);
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrC, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrB, commitSize);
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrC, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit BCA
- wb.NMTCommitMemory(addrB, commitSize);
- wb.NMTCommitMemory(addrC, commitSize);
- wb.NMTCommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrB, commitSize);
- wb.NMTUncommitMemory(addrC, commitSize);
- wb.NMTUncommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit CAB
- wb.NMTCommitMemory(addrC, commitSize);
- wb.NMTCommitMemory(addrA, commitSize);
- wb.NMTCommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrC, commitSize);
- wb.NMTUncommitMemory(addrA, commitSize);
- wb.NMTUncommitMemory(addrB, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- {
- // commit CBA
- wb.NMTCommitMemory(addrC, commitSize);
- wb.NMTCommitMemory(addrB, commitSize);
- wb.NMTCommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "384KB");
- checkReserved(output, addr, reserveSize, "4096KB");
-
- checkCommitted(output, addrA, 3 * commitSize, "384KB");
-
- // uncommit
- wb.NMTUncommitMemory(addrC, commitSize);
- wb.NMTUncommitMemory(addrB, commitSize);
- wb.NMTUncommitMemory(addrA, commitSize);
-
- output = new OutputAnalyzer(pb.start());
- checkReservedCommittedSummary(output, "4096KB", "0KB");
- }
-
- // release
- wb.NMTReleaseMemory(addr, reserveSize);
- output = new OutputAnalyzer(pb.start());
- output.shouldNotContain("Test (reserved=");
- output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
- + Long.toHexString(addr + reserveSize) + "\\] reserved 4096KB for Test");
- }
-
- public static void checkReservedCommittedSummary(OutputAnalyzer output, String reservedString, String committedString) {
- output.shouldContain("Test (reserved=" + reservedString + ", committed=" + committedString + ")");
- }
-
- public static void checkReserved(OutputAnalyzer output, long addr, long size, String sizeString) {
- output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
- + Long.toHexString(addr + size)
- + "\\] reserved 4096KB for Test");
- }
-
- public static void checkCommitted(OutputAnalyzer output, long addr, long size, String sizeString) {
- output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*"
- + Long.toHexString(addr + size)
- + "\\] committed " + sizeString + " from.*");
- }
-}