author | mseledtsov |
Thu, 16 Nov 2017 19:01:01 -0800 | |
changeset 47908 | d6d00f785f39 |
child 50545 | 292a4a87c321 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 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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* @summary Test JVM's memory resource awareness when running inside docker container |
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* @requires docker.support |
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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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* jdk.jartool/sun.tools.jar |
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* @build Common AttemptOOM sun.hotspot.WhiteBox PrintContainerInfo |
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* @run driver ClassFileInstaller -jar whitebox.jar sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run driver TestMemoryAwareness |
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*/ |
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import jdk.test.lib.containers.docker.DockerRunOptions; |
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import jdk.test.lib.containers.docker.DockerTestUtils; |
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public class TestMemoryAwareness { |
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private static final String imageName = Common.imageName("memory"); |
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public static void main(String[] args) throws Exception { |
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if (!DockerTestUtils.canTestDocker()) { |
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return; |
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} |
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Common.prepareWhiteBox(); |
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DockerTestUtils.buildJdkDockerImage(imageName, "Dockerfile-BasicTest", "jdk-docker"); |
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try { |
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testMemoryLimit("100m", "104857600"); |
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testMemoryLimit("500m", "524288000"); |
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testMemoryLimit("1g", "1073741824"); |
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testMemoryLimit("4g", "4294967296"); |
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testMemorySoftLimit("500m", "524288000"); |
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testMemorySoftLimit("1g", "1073741824"); |
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// Add extra 10 Mb to allocator limit, to be sure to cause OOM |
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testOOM("256m", 256 + 10); |
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} finally { |
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DockerTestUtils.removeDockerImage(imageName); |
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} |
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} |
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private static void testMemoryLimit(String valueToSet, String expectedTraceValue) |
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throws Exception { |
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Common.logNewTestCase("memory limit: " + valueToSet); |
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DockerRunOptions opts = Common.newOpts(imageName) |
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.addDockerOpts("--memory", valueToSet); |
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Common.run(opts) |
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.shouldMatch("Memory Limit is:.*" + expectedTraceValue); |
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} |
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private static void testMemorySoftLimit(String valueToSet, String expectedTraceValue) |
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throws Exception { |
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Common.logNewTestCase("memory soft limit: " + valueToSet); |
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DockerRunOptions opts = Common.newOpts(imageName, "PrintContainerInfo"); |
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Common.addWhiteBoxOpts(opts); |
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opts.addDockerOpts("--memory-reservation=" + valueToSet); |
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Common.run(opts) |
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.shouldMatch("Memory Soft Limit.*" + expectedTraceValue); |
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} |
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// provoke OOM inside the container, see how VM reacts |
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private static void testOOM(String dockerMemLimit, int sizeToAllocInMb) throws Exception { |
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Common.logNewTestCase("OOM"); |
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DockerRunOptions opts = Common.newOpts(imageName, "AttemptOOM") |
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.addDockerOpts("--memory", dockerMemLimit, "--memory-swap", dockerMemLimit); |
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opts.classParams.add("" + sizeToAllocInMb); |
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DockerTestUtils.dockerRunJava(opts) |
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.shouldHaveExitValue(1) |
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.shouldContain("Entering AttemptOOM main") |
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.shouldNotContain("AttemptOOM allocation successful") |
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.shouldContain("java.lang.OutOfMemoryError"); |
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} |
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} |