111 lines
3.3 KiB
Java
111 lines
3.3 KiB
Java
/*
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* Copyright (c) 2023, 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 8319784
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* @summary Check that the JVM is able to dump the heap even when there are ReduceAllocationMerge in the scope.
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* @library /test/lib /
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* @run main/othervm compiler.c2.TestReduceAllocationAndHeapDump
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*/
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package compiler.c2;
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import java.io.File;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class TestReduceAllocationAndHeapDump {
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public static void main(String[] args) throws Exception {
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File dumpDirectory = new File("dumps");
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try {
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if (!dumpDirectory.exists()) {
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dumpDirectory.mkdir();
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}
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String[] dumperArgs = {
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"-server",
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"-XX:CompileThresholdScaling=0.01",
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"-XX:+HeapDumpAfterFullGC",
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"-XX:HeapDumpPath=" + dumpDirectory.getAbsolutePath(),
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"-XX:CompileCommand=compileonly,compiler.c2.HeapDumper::testIt",
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"-XX:CompileCommand=exclude,compiler.c2.HeapDumper::dummy",
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HeapDumper.class.getName()
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};
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(dumperArgs);
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Process p = pb.start();
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OutputAnalyzer out = new OutputAnalyzer(p);
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if (out.getExitValue() != 0) {
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throw new IllegalStateException("Subprocess finished with non-zero exit code.");
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}
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} finally {
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File[] files = dumpDirectory.listFiles((dir, name) -> name.endsWith(".hprof"));
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for (File file : files) {
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System.out.println("Deleting " + file.getAbsolutePath());
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file.delete();
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}
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}
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}
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}
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class HeapDumper {
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public static Point p = new Point(0);
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public static void main(String[] args) throws Exception {
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for (int i = 0; i < 5000; i++) {
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testIt(i);
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}
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}
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public static void testIt(int i) throws Exception {
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Point p = (i % 2 == 0) ? new Point(i) : new Point(i);
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dummy(i);
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if (i < 5000) {
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dummy(i);
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} else {
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dummy(p.x + i);
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}
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}
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public static void dummy(int x) {
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if (x > 4900) {
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System.gc();
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}
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}
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}
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// Helper class
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class Point {
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public int x;
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public Point(int xx) {
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this.x = xx;
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}
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}
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