1 /* 2 * Copyright (c) 2025, 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 Sanity test of combinations of the AOT Code Caching diagnostic flags 28 * @requires vm.cds.supports.aot.code.caching 29 * @requires vm.compiler1.enabled & vm.compiler2.enabled 30 * @comment Both C1 and C2 JIT compilers are required because the test verifies 31 * compiler's runtime blobs generation. 32 * @requires vm.opt.VerifyOops == null | vm.opt.VerifyOops == false 33 * @comment VerifyOops flag switch off AOT code generation. Skip it. 34 * @library /test/lib /test/setup_aot 35 * @build AOTCodeFlags JavacBenchApp 36 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar 37 * JavacBenchApp 38 * JavacBenchApp$ClassFile 39 * JavacBenchApp$FileManager 40 * JavacBenchApp$SourceFile 41 * @run driver AOTCodeFlags 42 */ 43 44 import java.util.ArrayList; 45 import java.util.List; 46 47 import jdk.test.lib.cds.CDSAppTester; 48 import jdk.test.lib.process.OutputAnalyzer; 49 50 public class AOTCodeFlags { 51 public static void main(String... args) throws Exception { 52 Tester t = new Tester(); 53 // Run only 2 modes (0 - no AOT code, 1 - AOT adapters) until JDK-8357398 is fixed 54 for (int mode = 0; mode < 2; mode++) { 55 t.setTestMode(mode); 56 t.run(new String[] {"AOT", "--two-step-training"}); 57 } 58 } 59 static class Tester extends CDSAppTester { 60 private int testMode; 61 62 public Tester() { 63 super("AOTCodeFlags"); 64 testMode = 0; 65 } 66 67 boolean isAdapterCachingOn() { 68 return (testMode & 0x1) != 0; 69 } 70 71 boolean isStubCachingOn() { 72 return (testMode & 0x2) != 0; 73 } 74 75 public void setTestMode(int mode) { 76 testMode = mode; 77 } 78 79 public List<String> getVMArgsForTestMode() { 80 List<String> list = new ArrayList<String>(); 81 list.add("-XX:+UnlockDiagnosticVMOptions"); 82 list.add(isAdapterCachingOn() ? "-XX:+AOTAdapterCaching" : "-XX:-AOTAdapterCaching"); 83 list.add(isStubCachingOn() ? "-XX:+AOTStubCaching" : "-XX:-AOTStubCaching"); 84 return list; 85 } 86 87 @Override 88 public String classpath(RunMode runMode) { 89 return "app.jar"; 90 } 91 92 @Override 93 public String[] vmArgs(RunMode runMode) { 94 switch (runMode) { 95 case RunMode.ASSEMBLY: 96 case RunMode.PRODUCTION: { 97 List<String> args = getVMArgsForTestMode(); 98 args.addAll(List.of("-Xlog:aot+codecache+init=debug", 99 "-Xlog:aot+codecache+exit=debug")); 100 return args.toArray(new String[0]); 101 } 102 } 103 return new String[] {}; 104 } 105 106 @Override 107 public String[] appCommandLine(RunMode runMode) { 108 return new String[] { 109 "JavacBenchApp", "10" 110 }; 111 } 112 113 @Override 114 public void checkExecution(OutputAnalyzer out, RunMode runMode) throws Exception { 115 if (!isAdapterCachingOn() && !isStubCachingOn()) { // this is equivalent to completely disable AOT code cache 116 switch (runMode) { 117 case RunMode.ASSEMBLY: 118 case RunMode.PRODUCTION: 119 out.shouldNotMatch("Adapters:\\s+total"); 120 out.shouldNotMatch("Shared Blobs:\\s+total"); 121 out.shouldNotMatch("C1 Blobs:\\s+total"); 122 out.shouldNotMatch("C2 Blobs:\\s+total"); 123 break; 124 } 125 } else { 126 if (isAdapterCachingOn()) { 127 switch (runMode) { 128 case RunMode.ASSEMBLY: 129 case RunMode.PRODUCTION: 130 // AOTAdapterCaching is on, non-zero adapters should be stored/loaded 131 out.shouldMatch("Adapters:\\s+total=[1-9][0-9]+"); 132 break; 133 } 134 } else { 135 switch (runMode) { 136 case RunMode.ASSEMBLY: 137 case RunMode.PRODUCTION: 138 // AOTAdapterCaching is off, no adapters should be stored/loaded 139 out.shouldMatch("Adapters:\\s+total=0"); 140 break; 141 } 142 } 143 if (isStubCachingOn()) { 144 switch (runMode) { 145 case RunMode.ASSEMBLY: 146 case RunMode.PRODUCTION: 147 // AOTStubCaching is on, non-zero stubs should be stored/loaded 148 out.shouldMatch("Shared Blobs:\\s+total=[1-9][0-9]+"); 149 out.shouldMatch("C1 Blobs:\\s+total=[1-9][0-9]+"); 150 out.shouldMatch("C2 Blobs:\\s+total=[1-9][0-9]+"); 151 break; 152 } 153 } else { 154 switch (runMode) { 155 case RunMode.ASSEMBLY: 156 case RunMode.PRODUCTION: 157 // AOTStubCaching is off, no stubs should be stored/loaded 158 out.shouldMatch("Shared Blobs:\\s+total=0"); 159 out.shouldMatch("C1 Blobs:\\s+total=0"); 160 out.shouldMatch("C2 Blobs:\\s+total=0"); 161 break; 162 } 163 } 164 } 165 } 166 } 167 }