test/compiler/whitebox/ClearMethodStateTest.java

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 6211
d1760952ebdd
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 import java.util.function.Function;
aoqi@0 25
aoqi@0 26 /*
aoqi@0 27 * @test ClearMethodStateTest
aoqi@0 28 * @bug 8006683 8007288 8022832
aoqi@0 29 * @library /testlibrary /testlibrary/whitebox
aoqi@0 30 * @build ClearMethodStateTest
aoqi@0 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
aoqi@0 32 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* ClearMethodStateTest
aoqi@0 33 * @summary testing of WB::clearMethodState()
aoqi@0 34 * @author igor.ignatyev@oracle.com
aoqi@0 35 */
aoqi@0 36 public class ClearMethodStateTest extends CompilerWhiteBoxTest {
aoqi@0 37
aoqi@0 38 public static void main(String[] args) throws Exception {
aoqi@0 39 CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args);
aoqi@0 40 }
aoqi@0 41
aoqi@0 42 private ClearMethodStateTest(TestCase testCase) {
aoqi@0 43 super(testCase);
aoqi@0 44 // to prevent inlining of #method
aoqi@0 45 WHITE_BOX.testSetDontInlineMethod(method, true);
aoqi@0 46 }
aoqi@0 47
aoqi@0 48
aoqi@0 49 /**
aoqi@0 50 * Tests {@code WB::clearMethodState()} by calling it before/after
aoqi@0 51 * compilation. For non-tiered, checks that counters will be rested after
aoqi@0 52 * clearing of method state.
aoqi@0 53 *
aoqi@0 54 * @throws Exception if one of the checks fails.
aoqi@0 55 */
aoqi@0 56 @Override
aoqi@0 57 protected void test() throws Exception {
aoqi@0 58 checkNotCompiled();
aoqi@0 59 compile();
aoqi@0 60 WHITE_BOX.clearMethodState(method);
aoqi@0 61 checkCompiled();
aoqi@0 62 WHITE_BOX.clearMethodState(method);
aoqi@0 63 deoptimize();
aoqi@0 64 checkNotCompiled();
aoqi@0 65
aoqi@0 66 if (testCase.isOsr()) {
aoqi@0 67 // part test isn't applicable for OSR test case
aoqi@0 68 return;
aoqi@0 69 }
aoqi@0 70 if (!TIERED_COMPILATION) {
aoqi@0 71 WHITE_BOX.clearMethodState(method);
aoqi@0 72 compile(COMPILE_THRESHOLD);
aoqi@0 73 checkCompiled();
aoqi@0 74
aoqi@0 75 deoptimize();
aoqi@0 76 checkNotCompiled();
aoqi@0 77 WHITE_BOX.clearMethodState(method);
aoqi@0 78
aoqi@0 79 // invoke method one less time than needed to compile
aoqi@0 80 if (COMPILE_THRESHOLD > 1) {
aoqi@0 81 compile(COMPILE_THRESHOLD - 1);
aoqi@0 82 checkNotCompiled();
aoqi@0 83 } else {
aoqi@0 84 System.err.println("Warning: 'CompileThreshold' <= 1");
aoqi@0 85 }
aoqi@0 86
aoqi@0 87 compile(1);
aoqi@0 88 checkCompiled();
aoqi@0 89 } else {
aoqi@0 90 System.err.println(
aoqi@0 91 "Warning: part of test is not applicable in Tiered");
aoqi@0 92 }
aoqi@0 93 }
aoqi@0 94 }

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