071bd521bc
Reviewed-by: alanb, bchristi, dcubed, dfuchs, eosterlund, erikj, glaubitz, ihse, iignatyev, jjiang, kbarrett, ksrini, kvn, naoto, prr, rriggs, serb, sspitsyn, stefank, tschatzl, valeriep, weijun, weijun
287 lines
11 KiB
Java
287 lines
11 KiB
Java
/*
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* Copyright (c) 2013, 2020, 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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* @test
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* @bug 8024927
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* @summary Testing address of compressed class pointer space as best as possible.
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* @requires vm.bits == 64 & os.family != "windows" & !vm.graal.enabled
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run driver CompressedClassPointers
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*/
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jtreg.SkippedException;
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public class CompressedClassPointers {
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public static void smallHeapTest() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedBaseAddress=8g",
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"-Xmx128m",
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base: 0x0000000000000000");
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output.shouldHaveExitValue(0);
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}
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public static void smallHeapTestWith1G() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:CompressedClassSpaceSize=1g",
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"-Xmx128m",
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base: 0x0000000000000000, Narrow klass shift: 3");
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output.shouldHaveExitValue(0);
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}
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public static void largeHeapTest() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-Xmx30g",
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"-XX:-UseAOT", // AOT explicitly set klass shift to 3.
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotContain("Narrow klass base: 0x0000000000000000");
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output.shouldContain("Narrow klass shift: 0");
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output.shouldHaveExitValue(0);
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}
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public static void largePagesTest() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-Xmx128m",
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"-XX:+UseLargePages",
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"-Xlog:gc+metaspace=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base:");
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output.shouldHaveExitValue(0);
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}
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public static void heapBaseMinAddressTest() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:HeapBaseMinAddress=1m",
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"-Xlog:gc+heap+coops=debug",
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"-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("HeapBaseMinAddress must be at least");
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output.shouldHaveExitValue(0);
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}
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public static void sharingTest() throws Exception {
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// Test small heaps
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./CompressedClassPointers.jsa",
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"-Xmx128m",
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"-XX:SharedBaseAddress=8g",
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"-XX:+PrintCompressedOopsMode",
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"-XX:+VerifyBeforeGC",
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"-Xshare:dump", "-Xlog:cds");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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if (output.firstMatch("Shared spaces are not supported in this VM") != null) {
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return;
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}
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try {
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output.shouldContain("Loading classes to share");
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output.shouldHaveExitValue(0);
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pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./CompressedClassPointers.jsa",
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"-Xmx128m",
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"-XX:SharedBaseAddress=8g",
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"-XX:+PrintCompressedOopsMode",
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"-Xshare:on",
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"-version");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("sharing");
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output.shouldHaveExitValue(0);
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} catch (RuntimeException e) {
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output.shouldContain("Unable to use shared archive");
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output.shouldHaveExitValue(1);
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}
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}
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public static void smallHeapTestNoCoop() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedBaseAddress=8g",
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"-Xmx128m",
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base: 0x0000000000000000");
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output.shouldHaveExitValue(0);
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}
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public static void smallHeapTestWith1GNoCoop() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:CompressedClassSpaceSize=1g",
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"-Xmx128m",
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base: 0x0000000000000000");
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output.shouldContain("Narrow klass shift: 0");
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output.shouldHaveExitValue(0);
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}
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public static void largeHeapTestNoCoop() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-Xmx30g",
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"-XX:-UseAOT", // AOT explicitly set klass shift to 3.
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"-Xlog:gc+metaspace=trace",
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"-Xshare:off",
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"-Xlog:cds=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base: 0x0000000000000000");
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output.shouldContain("Narrow klass shift: 0");
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output.shouldHaveExitValue(0);
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}
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public static void largePagesTestNoCoop() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-Xmx128m",
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"-XX:+UseLargePages",
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"-Xlog:gc+metaspace=trace",
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"-XX:+VerifyBeforeGC", "-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Narrow klass base:");
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output.shouldHaveExitValue(0);
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}
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public static void heapBaseMinAddressTestNoCoop() throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:HeapBaseMinAddress=1m",
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"-Xlog:gc+heap+coops=debug",
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"-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("HeapBaseMinAddress must be at least");
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output.shouldHaveExitValue(0);
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}
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public static void sharingTestNoCoop() throws Exception {
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// Test small heaps
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./CompressedClassPointers.jsa",
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"-Xmx128m",
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"-XX:SharedBaseAddress=8g",
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"-XX:+PrintCompressedOopsMode",
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"-XX:+VerifyBeforeGC",
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"-Xshare:dump", "-Xlog:cds");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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if (output.firstMatch("Shared spaces are not supported in this VM") != null) {
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return;
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}
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try {
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output.shouldContain("Loading classes to share");
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output.shouldHaveExitValue(0);
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pb = ProcessTools.createJavaProcessBuilder(
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"-XX:-UseCompressedOops",
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"-XX:+UseCompressedClassPointers",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./CompressedClassPointers.jsa",
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"-Xmx128m",
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"-XX:SharedBaseAddress=8g",
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"-XX:+PrintCompressedOopsMode",
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"-Xshare:on",
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"-version");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("sharing");
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output.shouldHaveExitValue(0);
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} catch (RuntimeException e) {
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output.shouldContain("Unable to use shared archive");
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output.shouldHaveExitValue(1);
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}
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}
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public static void main(String[] args) throws Exception {
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smallHeapTest();
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smallHeapTestWith1G();
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largeHeapTest();
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largePagesTest();
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heapBaseMinAddressTest();
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sharingTest();
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boolean ccpRequiresCoop = Platform.isAArch64();
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if (!ccpRequiresCoop && !Platform.isOSX()) {
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// Testing compressed class pointers without compressed oops.
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// This is only possible if the platform supports it. Notably,
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// on macOS, when compressed oops is disabled and the heap is
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// given an arbitrary address, that address occasionally collides
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// with where we would ideally have placed the compressed class
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// space. Therefore, macOS is omitted for now.
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smallHeapTestNoCoop();
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smallHeapTestWith1GNoCoop();
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largeHeapTestNoCoop();
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largePagesTestNoCoop();
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heapBaseMinAddressTestNoCoop();
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sharingTestNoCoop();
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}
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}
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}
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