Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/tiered/Level2RecompilationTest.java
test/compiler/tiered/Level2RecompilationTest.java
- changeset 9690
- 61d955db2a5b
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| 9689:89dcef434423 | 9690:61d955db2a5b |
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| 1 /* | |
| 2 * Copyright (c) 2019, 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 Level2RecompilationTest | |
| 26 * @summary Test downgrading mechanism from level 3 to level 2 for those profiled methods. | |
| 27 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox | |
| 28 * @build Level2RecompilationTest | |
| 29 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
| 30 * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation | |
| 31 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay | |
| 32 * -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* | |
| 33 * -XX:CompileCommand=print,SimpleTestCase$Helper::* | |
| 34 * Level2RecompilationTest | |
| 35 */ | |
| 36 public class Level2RecompilationTest extends CompLevelsTest { | |
| 37 public static void main(String[] args) throws Throwable { | |
| 38 if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) { | |
| 39 throw new RuntimeException("Test isn't applicable for non-tiered mode"); | |
| 40 } | |
| 41 String[] testcases = {"METHOD_TEST", "OSR_STATIC_TEST"}; | |
| 42 CompilerWhiteBoxTest.main(Level2RecompilationTest::new, testcases); | |
| 43 } | |
| 44 | |
| 45 protected Level2RecompilationTest(TestCase testCase) { | |
| 46 super(testCase); | |
| 47 // to prevent inlining of #method | |
| 48 WHITE_BOX.testSetDontInlineMethod(method, true); | |
| 49 } | |
| 50 | |
| 51 @Override | |
| 52 protected void test() throws Exception { | |
| 53 if (skipXcompOSR()) { | |
| 54 return; | |
| 55 } | |
| 56 | |
| 57 checkNotCompiled(); | |
| 58 int bci = WHITE_BOX.getMethodEntryBci(method); | |
| 59 WHITE_BOX.markMethodProfiled(method); | |
| 60 if (testCase.isOsr()) { | |
| 61 // for OSR compilation, it must be the begin of a BB. | |
| 62 // c1_GraphBulider.cpp:153 assert(method()->bci_block_start().at(cur_bci), ... | |
| 63 bci = 0; | |
| 64 } | |
| 65 | |
| 66 WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_FULL_PROFILE, bci); | |
| 67 checkCompiled(); | |
| 68 checkLevel(COMP_LEVEL_LIMITED_PROFILE, getCompLevel()); | |
| 69 | |
| 70 for (int i=0; i<100; ++i) { | |
| 71 WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_FULL_PROFILE, bci); | |
| 72 waitBackgroundCompilation(); | |
| 73 checkLevel(COMP_LEVEL_LIMITED_PROFILE, getCompLevel()); | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 @Override | |
| 78 protected void checkLevel(int expected, int actual) { | |
| 79 if (expected == COMP_LEVEL_FULL_PROFILE | |
| 80 && actual == COMP_LEVEL_LIMITED_PROFILE) { | |
| 81 // for simple method full_profile may be replaced by limited_profile | |
| 82 if (IS_VERBOSE) { | |
| 83 System.out.printf("Level check: full profiling was replaced " | |
| 84 + "by limited profiling. Expected: %d, actual:%d\n", | |
| 85 expected, actual); | |
| 86 } | |
| 87 return; | |
| 88 } | |
| 89 super.checkLevel(expected, actual); | |
| 90 } | |
| 91 } | |
| 92 |
