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  * @library /testlibrary /test/lib /
  27  * @modules java.base/jdk.internal.misc
  28  * @modules java.management
  29  * @build TieredLevelsTest
  30  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  31  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation
  33  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay
  34  *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
  35  *                   TieredLevelsTest
  36  * @summary Verify that all levels < 'TieredStopAtLevel' can be used
  37  * @author igor.ignatyev@oracle.com
  38  */
  39 
  40 import compiler.whitebox.CompilerWhiteBoxTest;
  41 
  42 public class TieredLevelsTest extends CompLevelsTest {
  43     public static void main(String[] args) throws Exception, Throwable {
  44         if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) {
  45             return;
  46         }
  47         CompilerWhiteBoxTest.main(TieredLevelsTest::new, args);
  48     }
  49 
  50     protected TieredLevelsTest(TestCase testCase) {
  51         super(testCase);
  52         // to prevent inlining of #method
  53         WHITE_BOX.testSetDontInlineMethod(method, true);
  54     }
  55 
  56     @Override
  57     protected void test() throws Exception {
  58         if (skipXcompOSR()) {
  59           return;
  60         }
  61         checkNotCompiled();
  62         compile();
  63         checkCompiled();
  64 
  65         int compLevel = getCompLevel();
  66         if (compLevel > TIERED_STOP_AT_LEVEL) {
  67             throw new RuntimeException("method.compLevel[" + compLevel
  68                     + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");
  69         }
  70         int bci = WHITE_BOX.getMethodEntryBci(method);
  71         deoptimize();
  72 
  73         for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;
  74                 ++testedTier) {
  75             testAvailableLevel(testedTier, bci);
  76         }
  77         for (int testedTier = TIERED_STOP_AT_LEVEL + 1;
  78                 testedTier <= COMP_LEVEL_MAX; ++testedTier) {
  79             testUnavailableLevel(testedTier, bci);
  80         }
  81     }
  82 
  83     @Override
  84     protected void checkLevel(int expected, int actual) {
  85         if (expected == COMP_LEVEL_FULL_PROFILE
  86                 && actual == COMP_LEVEL_LIMITED_PROFILE) {
  87             // for simple method full_profile may be replaced by limited_profile
  88             if (IS_VERBOSE) {
  89                 System.out.printf("Level check: full profiling was replaced "
  90                         + "by limited profiling. Expected: %d, actual:%d",
  91                         expected, actual);
  92             }
  93             return;
  94         }
  95         super.checkLevel(expected, actual);
  96     }
  97 }