86 lines
3.7 KiB
Java
86 lines
3.7 KiB
Java
/*
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* Copyright (c) 2024, Red Hat, Inc.
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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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import jdk.test.lib.containers.systemd.SystemdRunOptions;
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import jdk.test.lib.containers.systemd.SystemdTestUtils;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.whitebox.WhiteBox;
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import jtreg.SkippedException;
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/*
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* @test
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* @bug 8322420 8217338
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* @summary Memory/CPU awareness test for JDK-under-test inside a systemd slice.
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* @requires systemd.support
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* @library /test/lib
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* @modules java.base/jdk.internal.platform
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* @build HelloSystemd jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar whitebox.jar jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:whitebox.jar -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI SystemdMemoryAwarenessTest
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*/
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public class SystemdMemoryAwarenessTest {
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private static final int MB = 1024 * 1024;
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private static final WhiteBox wb = WhiteBox.getWhiteBox();
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private static final String TEST_SLICE_NAME = SystemdMemoryAwarenessTest.class.getSimpleName() + "HS";
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public static void main(String[] args) throws Exception {
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testHelloSystemd();
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}
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private static void testHelloSystemd() throws Exception {
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SystemdRunOptions opts = SystemdTestUtils.newOpts("HelloSystemd");
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// 1 GB memory, but the limit in the lower hierarchy is 512M
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opts.memoryLimit("1024M");
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int expectedMemLimit = 512;
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// expected detected limit we test for, 512MB
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opts.sliceDMemoryLimit(String.format("%dM", expectedMemLimit));
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int physicalCpus = wb.hostCPUs();
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if (physicalCpus < 2) {
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System.err.println("WARNING: host system only has " + physicalCpus + " cpus. Expected >= 2");
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System.err.println("The active_processor_count assertion will trivially pass.");
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}
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// Use a CPU core limit of 1 for best coverage
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int coreLimit = 1;
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System.out.println("DEBUG: Running test with a CPU limit of " + coreLimit);
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opts.cpuLimit(String.format("%d%%", coreLimit * 100));
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opts.sliceName(TEST_SLICE_NAME);
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OutputAnalyzer out = SystemdTestUtils.buildAndRunSystemdJava(opts);
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out.shouldHaveExitValue(0)
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.shouldContain("Hello Systemd")
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.shouldContain(String.format("Memory Limit is: %d", (expectedMemLimit * MB)));
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try {
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out.shouldContain("OSContainer::active_processor_count: " + coreLimit);
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} catch (RuntimeException e) {
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// CPU delegation needs to be enabled when run as user on cg v2
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if (SystemdTestUtils.RUN_AS_USER) {
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String hint = "When run as user on cg v2 cpu delegation needs to be configured!";
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throw new SkippedException(hint);
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}
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throw e;
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}
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}
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}
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