86 lines
3.4 KiB
Java
86 lines
3.4 KiB
Java
/*
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* Copyright (c) 2014, 2022, 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 UsageThresholdNotExceededTest
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* @summary verifying that usage threshold not exceeded while allocating less
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* than usage threshold
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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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* @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:+WhiteBoxAPI -XX:-UseCodeCacheFlushing -XX:-MethodFlushing
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* -XX:CompileCommand=compileonly,null::*
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* -XX:+SegmentedCodeCache
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* compiler.codecache.jmx.UsageThresholdNotExceededTest
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:-UseCodeCacheFlushing -XX:-MethodFlushing
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* -XX:CompileCommand=compileonly,null::*
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* -XX:-SegmentedCodeCache
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* compiler.codecache.jmx.UsageThresholdNotExceededTest
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*/
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package compiler.codecache.jmx;
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import jdk.test.whitebox.code.BlobType;
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import java.lang.management.MemoryPoolMXBean;
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public class UsageThresholdNotExceededTest {
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private final BlobType btype;
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public UsageThresholdNotExceededTest(BlobType btype) {
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this.btype = btype;
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}
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public static void main(String[] args) {
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for (BlobType btype : BlobType.getAvailable()) {
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new UsageThresholdNotExceededTest(btype).runTest();
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}
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}
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protected void runTest() {
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MemoryPoolMXBean bean = btype.getMemoryPool();
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long initialThresholdCount = bean.getUsageThresholdCount();
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long initialUsage = bean.getUsage().getUsed();
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bean.setUsageThreshold(initialUsage + 1 + CodeCacheUtils.MIN_ALLOCATION);
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long size = CodeCacheUtils.getHeaderSize(btype);
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CodeCacheUtils.WB.allocateCodeBlob(Math.max(0, CodeCacheUtils.MIN_ALLOCATION
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- size), btype.id);
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// a gc cycle triggers usage threshold recalculation
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CodeCacheUtils.WB.fullGC();
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CodeCacheUtils.assertEQorGTE(btype, bean.getUsageThresholdCount(), initialThresholdCount,
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String.format("Usage threshold was hit: %d times for %s. "
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+ "Threshold value: %d with current usage: %d",
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bean.getUsageThresholdCount(), bean.getName(),
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bean.getUsageThreshold(), bean.getUsage().getUsed()));
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System.out.println("INFO: Case finished successfully for " + bean.getName());
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}
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}
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