jdk-24/test/hotspot/jtreg/gc/z/TestAllocateHeapAt.java
2024-11-21 09:54:25 +00:00

68 lines
2.7 KiB
Java

/*
* Copyright (c) 2020, 2024, 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
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package gc.z;
/*
* @test TestAllocateHeapAt
* @requires vm.gc.Z & os.family == "linux"
* @requires !vm.opt.final.UseLargePages
* @requires !vm.opt.final.UseTransparentHugePages
* @summary Test ZGC with -XX:AllocateHeapAt
* @library /test/lib
* @run main/othervm gc.z.TestAllocateHeapAt . true
* @run main/othervm gc.z.TestAllocateHeapAt non-existing-directory false
*/
import jdk.test.lib.os.linux.HugePageConfiguration;
import jdk.test.lib.os.linux.HugePageConfiguration.ShmemTHPMode;
import jdk.test.lib.process.ProcessTools;
import jtreg.SkippedException;
public class TestAllocateHeapAt {
public static void main(String[] args) throws Exception {
final String directory = args[0];
final boolean exists = Boolean.parseBoolean(args[1]);
final String heapBackingFile = "Heap Backing File: " + directory;
final String failedToCreateFile = "Failed to create file " + directory;
final HugePageConfiguration hugePageConfiguration = HugePageConfiguration.readFromOS();
final ShmemTHPMode mode = hugePageConfiguration.getShmemThpMode();
if (mode != ShmemTHPMode.never && mode != ShmemTHPMode.advise) {
throw new SkippedException("The UseTransparentHugePages option may not be respected with Shmem THP Mode: " + mode.name());
}
ProcessTools.executeTestJava(
"-XX:+UseZGC",
"-Xlog:gc*",
"-Xms32M",
"-Xmx32M",
"-XX:AllocateHeapAt=" + directory,
"-version")
.shouldContain(exists ? heapBackingFile : failedToCreateFile)
.shouldNotContain(exists ? failedToCreateFile : heapBackingFile)
.shouldHaveExitValue(exists ? 0 : 1);
}
}