--- a/test/hotspot/jtreg/runtime/SharedArchiveFile/SpaceUtilizationCheck.java Mon Jul 29 18:31:18 2019 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,109 +0,0 @@
-/*
- * Copyright (c) 2014, 2019, 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 SpaceUtilizationCheck
- * @summary Check if the space utilization for shared spaces is adequate
- * @requires vm.cds
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- * java.management
- * @build sun.hotspot.WhiteBox
- * @run driver ClassFileInstaller sun.hotspot.WhiteBox
- * sun.hotspot.WhiteBox$WhiteBoxPermission
- * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI SpaceUtilizationCheck
- */
-
-import jdk.test.lib.cds.CDSTestUtils;
-import jdk.test.lib.process.OutputAnalyzer;
-import sun.hotspot.WhiteBox;
-
-import java.util.regex.Pattern;
-import java.util.regex.Matcher;
-import java.util.ArrayList;
-import java.util.Hashtable;
-import java.lang.Integer;
-
-public class SpaceUtilizationCheck {
- // [1] Each region must have strictly less than
- // WhiteBox.metaspaceReserveAlignment() bytes of unused space.
- // [2] There must be no gap between two consecutive regions.
-
- public static void main(String[] args) throws Exception {
- // (1) Default VM arguments
- test();
-
- // (2) Use the now deprecated VM arguments. They should have no effect.
- test("-XX:SharedReadWriteSize=128M",
- "-XX:SharedReadOnlySize=128M",
- "-XX:SharedMiscDataSize=128M",
- "-XX:SharedMiscCodeSize=128M");
- }
-
- static void test(String... extra_options) throws Exception {
- OutputAnalyzer output = CDSTestUtils.createArchive(extra_options);
- CDSTestUtils.checkDump(output);
- Pattern pattern = Pattern.compile("^(..) *space: *([0-9]+).* out of *([0-9]+) bytes .* at 0x([0-9a0-f]+)");
- WhiteBox wb = WhiteBox.getWhiteBox();
- long reserve_alignment = wb.metaspaceReserveAlignment();
- System.out.println("Metaspace::reserve_alignment() = " + reserve_alignment);
-
- long last_region = -1;
- Hashtable<String,String> checked = new Hashtable<>();
- for (String line : output.getStdout().split("\n")) {
- if (line.contains(" space:") && !line.contains("st space:")) {
- Matcher matcher = pattern.matcher(line);
- if (matcher.find()) {
- String name = matcher.group(1);
- if (name.equals("s0") || name.equals("s1")) {
- // String regions are listed at the end and they may not be fully occupied.
- break;
- } else {
- System.out.println("Checking " + name + " in : " + line);
- checked.put(name, name);
- }
- long used = Long.parseLong(matcher.group(2));
- long capacity = Long.parseLong(matcher.group(3));
- long address = Long.parseLong(matcher.group(4), 16);
- long unused = capacity - used;
- if (unused < 0) {
- throw new RuntimeException("Unused space (" + unused + ") less than 0");
- }
- if (unused > reserve_alignment) {
- // [1] Check for unused space
- throw new RuntimeException("Unused space (" + unused + ") must be smaller than Metaspace::reserve_alignment() (" +
- reserve_alignment + ")");
- }
- if (last_region >= 0 && address != last_region) {
- // [2] Check for no-gap
- throw new RuntimeException("Region 0x" + address + " should have started at 0x" + Long.toString(last_region, 16));
- }
- last_region = address + capacity;
- }
- }
- }
- if (checked.size() != 4) {
- throw new RuntimeException("Must have 4 consecutive, fully utilized regions");
- }
- }
-}