114 lines
4.1 KiB
Java
114 lines
4.1 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 PeakUsageTest
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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:CompileCommand=compileonly,null::*
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* -XX:+SegmentedCodeCache
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* compiler.codecache.jmx.PeakUsageTest
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,null::*
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* -XX:-SegmentedCodeCache
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* compiler.codecache.jmx.PeakUsageTest
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* @summary testing of getPeakUsage() and resetPeakUsage for
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* segmented code cache
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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 PeakUsageTest {
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private final BlobType btype;
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public PeakUsageTest(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 PeakUsageTest(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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bean.resetPeakUsage();
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long addr = CodeCacheUtils.WB.allocateCodeBlob(
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CodeCacheUtils.ALLOCATION_SIZE, btype.id);
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try {
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/*
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Always save peakUsage after saving currentUsage. Reversing the order
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can lead to inconsistent results (currentUsage > peakUsage) because
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of intermediate allocations.
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*/
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long currUsage = bean.getUsage().getUsed();
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long peakUsage = bean.getPeakUsage().getUsed();
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CodeCacheUtils.assertEQorLTE(btype, currUsage,
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peakUsage,
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"Peak usage does not match usage after allocation for "
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+ bean.getName());
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} finally {
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if (addr != 0) {
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CodeCacheUtils.WB.freeCodeBlob(addr);
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}
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}
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bean.resetPeakUsage();
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long currUsage = bean.getUsage().getUsed();
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long peakUsage = bean.getPeakUsage().getUsed();
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CodeCacheUtils.assertEQorLTE(btype, currUsage,
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peakUsage,
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"Code cache peak usage is not equal to usage after reset for "
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+ bean.getName());
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long addr2 = CodeCacheUtils.WB.allocateCodeBlob(
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CodeCacheUtils.ALLOCATION_SIZE, btype.id);
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try {
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currUsage = bean.getUsage().getUsed();
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peakUsage = bean.getPeakUsage().getUsed();
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CodeCacheUtils.assertEQorLTE(btype, currUsage,
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peakUsage,
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"Code cache peak usage is not equal to usage after fresh "
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+ "allocation for " + bean.getName());
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} finally {
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if (addr2 != 0) {
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CodeCacheUtils.WB.freeCodeBlob(addr2);
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}
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}
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System.out.printf("INFO: Scenario finished successfully for %s%n",
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bean.getName());
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}
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}
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