1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @summary Test automatic relocation of archive heap regions dur to heap size changes. 28 * @requires vm.cds.archived.java.heap 29 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds 30 * @modules jdk.jartool/sun.tools.jar 31 * @compile ../test-classes/Hello.java 32 * @build sun.hotspot.WhiteBox 33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 34 * @run main/othervm/timeout=160 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DifferentHeapSizes 35 */ 36 37 import jdk.test.lib.process.OutputAnalyzer; 38 import sun.hotspot.WhiteBox; 39 import jdk.test.lib.cds.CDSTestUtils; 40 41 public class DifferentHeapSizes { 42 static final String DEDUP = "-XX:+UseStringDeduplication"; // This increases code coverage. 43 44 static class Scenario { 45 int dumpSize; // in MB 46 int runSizes[]; // in MB Scenario(int ds, int... rs)47 Scenario(int ds, int... rs) { 48 dumpSize = ds; 49 runSizes = rs; 50 } 51 } 52 53 static Scenario[] scenarios = { 54 // dump -Xmx , run -Xmx 55 new Scenario( 32, 32, 64, 512, 2048, 4097, 16374, 31000), 56 new Scenario( 128, 32, 64, 512, 2048, 4097, 16374, 31000, 40000), 57 new Scenario( 2048, 32, 512, 2600, 4097, 8500, 31000, 40000), 58 new Scenario( 17000, 32, 512, 2048, 4097, 8500, 31000, 40000), 59 new Scenario( 31000, 32, 512, 2048, 4097, 8500, 17000, 40000) 60 }; 61 main(String[] args)62 public static void main(String[] args) throws Exception { 63 JarBuilder.getOrCreateHelloJar(); 64 String appJar = TestCommon.getTestJar("hello.jar"); 65 String appClasses[] = TestCommon.list("Hello"); 66 67 for (Scenario s : scenarios) { 68 String dumpXmx = "-Xmx" + s.dumpSize + "m"; 69 OutputAnalyzer output = TestCommon.dump(appJar, appClasses, dumpXmx); 70 71 for (int runSize : s.runSizes) { 72 String runXmx = "-Xmx" + runSize + "m"; 73 CDSTestUtils.Result result = TestCommon.run("-cp", appJar, "-showversion", 74 "-Xlog:cds", runXmx, DEDUP, "Hello"); 75 if (runSize < 32768) { 76 result 77 .assertNormalExit("Hello World") 78 .assertNormalExit(out -> { 79 out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP); 80 out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE); 81 }); 82 } else { 83 result.assertAbnormalExit(CDSTestUtils.MSG_COMPRESSION_MUST_BE_USED); 84 } 85 } 86 } 87 88 // Test various settings of -XX:HeapBaseMinAddress that would trigger 89 // "CDS heap data need to be relocated because the desired range ... is outside of the heap" 90 long default_base = WhiteBox.getWhiteBox().getSizeTVMFlag("HeapBaseMinAddress").longValue(); 91 long M = 1024 * 1024; 92 long bases[] = new long[] { 93 /* dump xmx */ /* run xmx */ /* dump base */ /* run base */ 94 128 * M, 128 * M, default_base, default_base + 256L * 1024 * 1024, 95 128 * M, 16376 * M, 0x0000000119200000L, -1, 96 }; 97 98 for (int i = 0; i < bases.length; i += 4) { 99 String dump_xmx = getXmx(bases[i+0]); 100 String run_xmx = getXmx(bases[i+1]); 101 String dump_base = getHeapBaseMinAddress(bases[i+2]); 102 String run_base = getHeapBaseMinAddress(bases[i+3]); 103 104 TestCommon.dump(appJar, appClasses, dump_xmx, dump_base); 105 TestCommon.run("-cp", appJar, "-showversion", "-Xlog:cds", run_xmx, run_base, DEDUP, "Hello") 106 .assertNormalExit("Hello World") 107 .assertNormalExit(out -> { 108 out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP); 109 out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE); 110 }); 111 } 112 } 113 getXmx(long value)114 static String getXmx(long value) { 115 if (value < 0) { 116 return "-showversion"; // This is a harmless command line arg 117 } else { 118 return "-Xmx" + (value / 1024 / 1024) + "m"; 119 } 120 } getHeapBaseMinAddress(long value)121 static String getHeapBaseMinAddress(long value) { 122 if (value < 0) { 123 return "-showversion"; // This is a harmless command line arg 124 } else { 125 return "-XX:HeapBaseMinAddress=0x" + Long.toHexString(value); 126 } 127 } 128 } 129