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