author | hseigel |
Thu, 21 Nov 2019 18:54:21 +0000 | |
changeset 59209 | 8a24f1e73c0d |
parent 58829 | 13ad9a1bac18 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 2019, 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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* @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 & vm.opt.final.UseCompressedOops == true & os.family != "windows" |
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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 main CompressedClassPointers |
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*/ |
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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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|
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public class CompressedClassPointers { |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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"); |
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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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|
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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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|
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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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|
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public static void main(String[] args) throws Exception { |
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if (Platform.isSolaris()) { |
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String name = System.getProperty("os.version"); |
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if (name.equals("5.10")) { |
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throw new SkippedException("Solaris 10 can't mmap compressed oops space without a base"); |
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} |
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} |
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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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} |
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} |