79 lines
3.5 KiB
Java
79 lines
3.5 KiB
Java
/*
|
|
* Copyright (c) 2021, 2023, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package gc.g1;
|
|
|
|
/*
|
|
* @test TestAllocationFailure
|
|
* @summary Ensure the output for a minor GC with G1 that has allocation failure contains the correct strings.
|
|
* @requires vm.gc.G1
|
|
* @requires vm.debug
|
|
* @library /test/lib
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.management
|
|
* @build jdk.test.whitebox.WhiteBox
|
|
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
|
|
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
|
|
* gc.g1.TestAllocationFailure
|
|
*/
|
|
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
public class TestAllocationFailure {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
OutputAnalyzer output = ProcessTools.executeLimitedTestJava("-XX:+UseG1GC",
|
|
"-Xmx32M",
|
|
"-Xmn16M",
|
|
"-XX:+G1GCAllocationFailureALot",
|
|
"-XX:G1GCAllocationFailureALotCount=100",
|
|
"-XX:G1GCAllocationFailureALotInterval=1",
|
|
"-XX:+UnlockDiagnosticVMOptions",
|
|
"-Xlog:gc",
|
|
GCTestWithAllocationFailure.class.getName());
|
|
|
|
System.out.println(output.getStdout());
|
|
output.shouldContain("(Evacuation Failure:");
|
|
output.shouldHaveExitValue(0);
|
|
}
|
|
|
|
static class GCTestWithAllocationFailure {
|
|
private static byte[] garbage;
|
|
private static byte[] largeObject;
|
|
private static Object[] holder = new Object[200]; // Must be larger than G1GCAllocationFailureALotCount
|
|
|
|
public static void main(String [] args) {
|
|
largeObject = new byte[16 * 1024 * 1024];
|
|
System.out.println("Creating garbage");
|
|
// Create 16 MB of garbage. This should result in at least one GC,
|
|
// (Heap size is 32M, we use 17MB for the large object above)
|
|
// which is larger than G1GCAllocationFailureALotInterval.
|
|
for (int i = 0; i < 16 * 1024; i++) {
|
|
holder[i % holder.length] = new byte[1024];
|
|
}
|
|
System.out.println("Done");
|
|
}
|
|
}
|
|
}
|