101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
/*
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* Copyright (c) 2014, 2023, 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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* @bug 8059624 8064669 8153265
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* @summary testing of WB::forceNMethodSweep
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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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*
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* @requires vm.opt.DeoptimizeALot != true
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*
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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
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* -XX:-TieredCompilation -XX:+WhiteBoxAPI
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* -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
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* -XX:-BackgroundCompilation
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* -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+EagerJVMCI
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* compiler.whitebox.ForceNMethodSweepTest
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*/
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package compiler.whitebox;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.code.BlobType;
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import java.util.EnumSet;
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public class ForceNMethodSweepTest extends CompilerWhiteBoxTest {
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public static void main(String[] args) throws Exception {
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CompilerWhiteBoxTest.main(ForceNMethodSweepTest::new, args);
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}
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private final EnumSet<BlobType> blobTypes;
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private ForceNMethodSweepTest(TestCase testCase) {
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super(testCase);
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// to prevent inlining of #method
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WHITE_BOX.testSetDontInlineMethod(method, true);
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blobTypes = BlobType.getAvailable();
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}
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@Override
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protected void test() throws Exception {
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// prime the asserts: get their bytecodes loaded, any lazy computation
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// resolved, and executed once
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Asserts.assertGT(1, 0, "message");
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Asserts.assertLTE(0, 0, "message");
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Asserts.assertLT(-1, 0, "message");
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checkNotCompiled();
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WHITE_BOX.fullGC();
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int usage = getTotalUsage();
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compile();
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checkCompiled();
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int afterCompilation = getTotalUsage();
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Asserts.assertGT(afterCompilation, usage,
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"compilation should increase usage");
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WHITE_BOX.fullGC();
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int afterSweep = getTotalUsage();
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Asserts.assertLTE(afterSweep, afterCompilation,
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"sweep shouldn't increase usage");
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deoptimize();
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WHITE_BOX.fullGC();
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int afterDeoptAndSweep = getTotalUsage();
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Asserts.assertLT(afterDeoptAndSweep, afterSweep,
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"sweep after deoptimization should decrease usage");
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}
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private int getTotalUsage() {
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int usage = 0;
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for (BlobType type : blobTypes) {
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usage += type.getMemoryPool().getUsage().getUsed();
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}
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return usage;
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}
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}
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