119 lines
4.5 KiB
Java
119 lines
4.5 KiB
Java
/*
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* Copyright (c) 2014, 2024, Alibaba Group Holding Limited. All rights reserved.
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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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package gc;
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/**
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* @test id=ParallelCollector
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.Parallel
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xmx512m -Xms512m -XX:+UseParallelGC -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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/**
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* @test id=SerialCollector
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.Serial
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xmx512m -Xms512m -XX:+UseSerialGC -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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/**
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* @test id=Shenandoah
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.Shenandoah
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xmx512m -Xms512m -XX:+UseShenandoahGC -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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/**
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* @test id=G1
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.G1
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xmx512m -Xms512m -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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/**
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* @test id=Z
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.Z
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UseZGC -Xmx512m -Xms512m -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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/**
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* @test id=Epsilon
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* @summary tests AlwaysPreTouch
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* @requires vm.gc.Epsilon
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* @requires os.maxMemory > 2G
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* @requires os.family != "aix"
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -Xmx512m -Xms512m -XX:+AlwaysPreTouch gc.TestAlwaysPreTouchBehavior
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.WhiteBox;
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public class TestAlwaysPreTouchBehavior {
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public static void main(String [] args) {
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long rss = WhiteBox.getWhiteBox().rss();
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System.out.println("RSS: " + rss);
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if (rss == 0) {
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System.out.println("cannot get RSS, just skip");
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return; // Did not get available RSS, just ignore this test.
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}
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Runtime runtime = Runtime.getRuntime();
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long committedMemory = runtime.totalMemory();
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Asserts.assertGreaterThan(rss, committedMemory, "RSS of this process(" + rss + "b) should be bigger than or equal to committed heap mem(" + committedMemory + "b)");
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}
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}
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