d78d0c4fa4
Use new external.lib.roots property in TEST.ROOT so /../../test/lib is not needed. Reviewed-by: mseledtsov, sla, iklam
98 lines
3.7 KiB
Java
98 lines
3.7 KiB
Java
/*
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* Copyright (c) 2014, 2015, 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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import java.lang.management.MemoryPoolMXBean;
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import java.util.EnumSet;
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import java.util.ArrayList;
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import sun.hotspot.WhiteBox;
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import sun.hotspot.code.BlobType;
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import sun.hotspot.code.CodeBlob;
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import jdk.test.lib.Asserts;
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/*
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* @test OverflowCodeCacheTest
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* @bug 8059550
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* @library /testlibrary /test/lib
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* @modules java.management
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* @build OverflowCodeCacheTest
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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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 OverflowCodeCacheTest
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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 OverflowCodeCacheTest
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* @summary testing of code cache segments overflow
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*/
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public class OverflowCodeCacheTest {
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private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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public static void main(String[] args) {
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EnumSet<BlobType> blobTypes = BlobType.getAvailable();
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for (BlobType type : blobTypes) {
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new OverflowCodeCacheTest(type).test();
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}
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}
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private final BlobType type;
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private final MemoryPoolMXBean bean;
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private OverflowCodeCacheTest(BlobType type) {
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this.type = type;
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this.bean = type.getMemoryPool();
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}
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private void test() {
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System.out.printf("type %s%n", type);
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System.out.println("allocating till possible...");
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ArrayList<Long> blobs = new ArrayList<>();
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try {
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long addr;
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int size = (int) (getHeapSize() >> 7);
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while ((addr = WHITE_BOX.allocateCodeBlob(size, type.id)) != 0) {
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blobs.add(addr);
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BlobType actualType = CodeBlob.getCodeBlob(addr).code_blob_type;
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if (actualType != type) {
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// check we got allowed overflow handling
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Asserts.assertTrue(type.allowTypeWhenOverflow(actualType),
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type + " doesn't allow using " + actualType + " when overflow");
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}
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}
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Asserts.assertNotEquals(WHITE_BOX.getCompilationActivityMode(), 1 /* run_compilation*/,
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"Compilation must be disabled when CodeCache(CodeHeap) overflows");
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} finally {
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for (Long blob : blobs) {
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WHITE_BOX.freeCodeBlob(blob);
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}
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}
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}
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private long getHeapSize() {
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return bean.getUsage().getMax();
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}
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}
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