1 /* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test TieredLevelsTest 26 * @summary Verify that all levels < 'TieredStopAtLevel' can be used 27 * @library /testlibrary /test/lib / 28 * @modules java.base/jdk.internal.misc 29 * java.management 30 * 31 * @build compiler.tiered.TieredLevelsTest 32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation 35 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay 36 * -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* 37 * compiler.tiered.TieredLevelsTest 38 */ 39 40 package compiler.tiered; 41 42 import compiler.whitebox.CompilerWhiteBoxTest; 43 44 public class TieredLevelsTest extends CompLevelsTest { 45 public static void main(String[] args) throws Throwable { 46 if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) { 47 return; 48 } 49 CompilerWhiteBoxTest.main(TieredLevelsTest::new, args); 50 } 51 52 protected TieredLevelsTest(TestCase testCase) { 53 super(testCase); 54 // to prevent inlining of #method 55 WHITE_BOX.testSetDontInlineMethod(method, true); 56 } 57 58 @Override 59 protected void test() throws Exception { 60 if (skipXcompOSR()) { 61 return; 62 } 63 checkNotCompiled(); 64 compile(); 65 checkCompiled(); 66 67 int compLevel = getCompLevel(); 68 if (compLevel > TIERED_STOP_AT_LEVEL) { 69 throw new RuntimeException("method.compLevel[" + compLevel 70 + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]"); 71 } 72 int bci = WHITE_BOX.getMethodEntryBci(method); 73 deoptimize(); 74 75 for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL; 76 ++testedTier) { 77 testAvailableLevel(testedTier, bci); 78 } 79 for (int testedTier = TIERED_STOP_AT_LEVEL + 1; 80 testedTier <= COMP_LEVEL_MAX; ++testedTier) { 81 testUnavailableLevel(testedTier, bci); 82 } 83 } 84 85 @Override 86 protected void checkLevel(int expected, int actual) { 87 if (expected == COMP_LEVEL_FULL_PROFILE 88 && actual == COMP_LEVEL_LIMITED_PROFILE) { 89 // for simple method full_profile may be replaced by limited_profile 90 if (IS_VERBOSE) { 91 System.out.printf("Level check: full profiling was replaced " 92 + "by limited profiling. Expected: %d, actual:%d", 93 expected, actual); 94 } 95 return; 96 } 97 super.checkLevel(expected, actual); 98 } 99 }