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c8656449c2
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Co-authored-by: Joel Sikström <jsikstro@openjdk.org> Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Reviewed-by: aboldtch, iklam, kvn
215 lines
10 KiB
Java
215 lines
10 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/**
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* @test
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* @summary Sanity test of AOT Code Cache with compressed oops configurations
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* @requires vm.cds.supports.aot.code.caching
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* @requires vm.compMode != "Xcomp"
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* @requires vm.bits == 64
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* @requires vm.opt.final.UseCompressedOops
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* @comment The test verifies AOT checks during VM startup and not code generation.
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* No need to run it with -Xcomp. It takes a lot of time to complete all
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* subtests with this flag.
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* @library /test/lib /test/setup_aot
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* @build AOTCodeCompressedOopsTest JavacBenchApp
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* @run driver/timeout=480 jdk.test.lib.helpers.ClassFileInstaller -jar app.jar
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* JavacBenchApp
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* JavacBenchApp$ClassFile
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* JavacBenchApp$FileManager
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* JavacBenchApp$SourceFile
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* @run driver/timeout=480 AOTCodeCompressedOopsTest
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*/
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import jdk.test.lib.cds.CDSAppTester;
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import jdk.test.lib.process.OutputAnalyzer;
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public class AOTCodeCompressedOopsTest {
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public static void main(String... args) throws Exception {
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{
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Tester t = new Tester();
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t.setHeapConfig(Tester.RunMode.ASSEMBLY, true, true);
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t.runAOTAssemblyWorkflow();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, true);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, false);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, false, false);
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t.productionRun();
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}
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{
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Tester t = new Tester();
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t.setHeapConfig(Tester.RunMode.ASSEMBLY, true, false);
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t.runAOTAssemblyWorkflow();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, true);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, false);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, false, false);
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t.productionRun();
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}
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{
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Tester t = new Tester();
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t.setHeapConfig(Tester.RunMode.ASSEMBLY, false, false);
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t.runAOTAssemblyWorkflow();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, true);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, true, false);
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t.productionRun();
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t.setHeapConfig(Tester.RunMode.PRODUCTION, false, false);
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t.productionRun();
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}
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}
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static class Tester extends CDSAppTester {
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boolean zeroBaseInAsmPhase, zeroBaseInProdPhase;
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boolean zeroShiftInAsmPhase, zeroShiftInProdPhase;
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public Tester() {
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super("AOTCodeCompressedOopsTest");
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}
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public void setHeapConfig(RunMode runMode, boolean isBaseZero, boolean isShiftZero) {
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if (runMode == RunMode.ASSEMBLY) {
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zeroBaseInAsmPhase = isBaseZero;
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zeroShiftInAsmPhase = isShiftZero;
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} else if (runMode == RunMode.PRODUCTION) {
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zeroBaseInProdPhase = isBaseZero;
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zeroShiftInProdPhase = isShiftZero;
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}
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}
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@Override
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public String classpath(RunMode runMode) {
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return "app.jar";
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}
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List<String> getVMArgsForHeapConfig(boolean isBaseZero, boolean isShiftZero) {
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List<String> list = new ArrayList<String>();
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// Note the VM options used are best-effort to get the desired base and shift,
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// but it is OS dependent, so we may not get the desired configuration.
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if (isBaseZero && isShiftZero) {
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list.add("-Xmx128m"); // Set max heap < 4G;
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} else if (isBaseZero && !isShiftZero) {
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list.add("-Xmx6g"); // Set max heap > 4G for shift to be non-zero
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} else if (!isBaseZero && !isShiftZero) {
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list.add("-Xmx6g");
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list.add("-XX:HeapBaseMinAddress=32g");
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}
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return list;
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}
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@Override
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public String[] vmArgs(RunMode runMode) {
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switch (runMode) {
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case RunMode.ASSEMBLY: {
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List<String> args = getVMArgsForHeapConfig(zeroBaseInAsmPhase, zeroShiftInAsmPhase);
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args.addAll(List.of("-XX:+UnlockDiagnosticVMOptions",
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"-Xlog:aot=info",
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"-Xlog:aot+codecache+init=debug",
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"-Xlog:aot+codecache+exit=debug"));
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return args.toArray(new String[0]);
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}
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case RunMode.PRODUCTION: {
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List<String> args = getVMArgsForHeapConfig(zeroBaseInProdPhase, zeroShiftInProdPhase);
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args.addAll(List.of("-XX:+UnlockDiagnosticVMOptions",
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"-Xlog:aot=info", // we need this to parse CompressedOops settings
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"-Xlog:aot+codecache+init=debug",
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"-Xlog:aot+codecache+exit=debug"));
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return args.toArray(new String[0]);
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}
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}
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return new String[] {};
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}
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@Override
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public String[] appCommandLine(RunMode runMode) {
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return new String[] {
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"JavacBenchApp", "10"
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};
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}
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@Override
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public void checkExecution(OutputAnalyzer out, RunMode runMode) throws Exception {
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if (runMode == RunMode.PRODUCTION) {
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int aotCacheShift = -1, currentShift = -1;
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long aotCacheBase = -1, currentBase = -1;
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List<String> list = out.asLines();
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/* We tried to have CompressedOops settings as per the test requirement,
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* but it ultimately depends on OS and is not guaranteed that we have got the desired settings.
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* So we parse the log output from the production run to get the real settings.
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*
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* Parse the following Xlog:cds output to get the values of CompressedOops::base and CompressedOops::shift
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* used during the AOTCache assembly and production run:
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*
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* [0.022s][info][cds] CDS archive was created with max heap size = 1024M, and the following configuration:
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* [0.022s][info][cds] narrow_klass_base at mapping start address, narrow_klass_pointer_bits = 32, narrow_klass_shift = 0
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* [0.022s][info][cds] narrow_oop_mode = 1, narrow_oop_base = 0x0000000000000000, narrow_oop_shift = 3
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* [0.022s][info][cds] The current max heap size = 31744M, G1HeapRegion::GrainBytes = 16777216
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* [0.022s][info][cds] narrow_klass_base = 0x000007fc00000000, arrow_klass_pointer_bits = 32, narrow_klass_shift = 0
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* [0.022s][info][cds] narrow_oop_mode = 3, narrow_oop_base = 0x0000000300000000, narrow_oop_shift = 3
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* [0.022s][info][cds] heap range = [0x0000000301000000 - 0x0000000ac1000000]
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*/
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Pattern p = Pattern.compile("narrow_oop_base = 0x([0-9a-fA-F]+), narrow_oop_shift = (\\d)");
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for (int i = 0; i < list.size(); i++) {
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String line = list.get(i);
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if (line.indexOf("CDS archive was created with max heap size") != -1) {
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// Parse AOT Cache CompressedOops settings
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line = list.get(i+2);
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Matcher m = p.matcher(line);
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if (!m.find()) {
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throw new RuntimeException("Pattern \"" + p + "\" not found in the output");
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}
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aotCacheBase = Long.valueOf(m.group(1), 16);
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aotCacheShift = Integer.valueOf(m.group(2));
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// Parse current CompressedOops settings
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line = list.get(i+5);
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m = p.matcher(line);
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if (!m.find()) {
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throw new RuntimeException("Pattern \"" + p + "\" not found in the output");
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}
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currentBase = Long.valueOf(m.group(1), 16);
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currentShift = Integer.valueOf(m.group(2));
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break;
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}
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}
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if (aotCacheShift == -1 || currentShift == -1 || aotCacheBase == -1 || currentBase == -1) {
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throw new RuntimeException("Failed to find CompressedOops settings");
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}
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if (aotCacheShift != currentShift) {
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out.shouldContain("AOT Code Cache disabled: it was created with different CompressedOops::shift()");
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} else if ((aotCacheBase == 0 || currentBase == 0) && (aotCacheBase != currentBase)) {
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out.shouldContain("AOTStubCaching is disabled: incompatible CompressedOops::base()");
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} else {
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out.shouldMatch("Read \\d+ entries table at offset \\d+ from AOT Code Cache");
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}
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}
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}
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}
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}
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