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9a1f7d4ae3
Co-authored-by: Evgeny Astigeevich <eastigeevich@openjdk.org> Reviewed-by: kvn, cslucas, aph
89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* Copyright Amazon.com Inc. 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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/*
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* @test
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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:. -Xbatch -XX:-TieredCompilation -XX:+SegmentedCodeCache -XX:+UnlockExperimentalVMOptions -XX:+HotCodeHeap
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* -XX:+NMethodRelocation -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:HotCodeIntervalSeconds=0 -XX:HotCodeCallLevel=0
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* -XX:HotCodeSampleSeconds=5 -XX:HotCodeStablePercent=-1 -XX:HotCodeSamplePercent=100 -XX:HotCodeStartupDelaySeconds=0
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* -XX:CompileCommand=compileonly,compiler.hotcode.HotCodeCollectorMoveFunction::func
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* compiler.hotcode.HotCodeCollectorMoveFunction
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*/
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package compiler.hotcode;
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import java.lang.reflect.Method;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.WhiteBox;
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import jdk.test.whitebox.code.BlobType;
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import jdk.test.whitebox.code.NMethod;
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public class HotCodeCollectorMoveFunction {
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private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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private static final Method method;
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private static final int C2_LEVEL = 4;
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private static final int FUNC_RUN_MILLIS = 60_000;
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static {
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try {
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method = HotCodeCollectorMoveFunction.class.getMethod("func");
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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}
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}
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public static void main(String[] args) throws Exception {
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WHITE_BOX.testSetDontInlineMethod(method, true);
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compileFunc();
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// Call function so collector samples and relocates
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func();
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// Function should now be in the Hot code heap after collector has had time to relocate
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NMethod reloc_nm = NMethod.get(method, false);
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Asserts.assertNotEquals(reloc_nm, null);
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Asserts.assertEQ(reloc_nm.code_blob_type, BlobType.MethodHot);
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}
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public static void compileFunc() {
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WHITE_BOX.enqueueMethodForCompilation(method, C2_LEVEL);
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if (WHITE_BOX.getMethodCompilationLevel(method) != C2_LEVEL) {
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throw new IllegalStateException("Method " + method + " is not compiled by C2.");
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}
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}
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public static void func() {
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long start = System.currentTimeMillis();
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while (System.currentTimeMillis() - start < FUNC_RUN_MILLIS) {}
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}
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}
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