1 /* 2 * Copyright (c) 2014, 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 import com.oracle.java.testlibrary.Utils; 25 import java.lang.reflect.Executable; 26 import java.util.ArrayList; 27 import java.util.Arrays; 28 import java.util.Collections; 29 import java.util.List; 30 import sun.hotspot.WhiteBox; 31 32 public class SegmentedCodeCacheDtraceTestWorker { 33 34 private static final String METHOD1_NAME = "foo"; 35 private static final String METHOD2_NAME = "bar"; 36 private static final String METHOD3_NAME = "baz"; 37 public static final List<Executable> TESTED_METHODS_LIST; 38 private final WhiteBox wb; 39 private final int compLevels[]; 40 41 static { 42 List<Executable> methods = new ArrayList<>(); 43 try { 44 // method order is important. Need to place methods in call order, 45 // to be able to verify results later 46 methods.add(SegmentedCodeCacheDtraceTestWorker.class.getMethod(METHOD1_NAME)); 47 methods.add(SegmentedCodeCacheDtraceTestWorker.class.getMethod(METHOD2_NAME)); 48 methods.add(SegmentedCodeCacheDtraceTestWorker.class.getMethod(METHOD3_NAME)); 49 } catch (NoSuchMethodException e) { 50 throw new Error("TESTBUG: no expected method found", e); 51 } 52 TESTED_METHODS_LIST = Collections.unmodifiableList(methods); 53 } 54 55 protected static final boolean BACKGROUND_COMPILATION 56 = WhiteBox.getWhiteBox().getBooleanVMFlag("BackgroundCompilation"); 57 58 public static void main(String[] args) { 59 if (args.length != 2 * TESTED_METHODS_LIST.size()) { 60 throw new Error("Usage: java <thisClass> <fooCompLevel> <fooInlined>" 61 + "<barCompLevel> <barInlined> " 62 + "<bazCompLevel> <bazInlined>"); 63 } else { 64 int compLevels[] = new int[TESTED_METHODS_LIST.size()]; 65 boolean inlines[] = new boolean[TESTED_METHODS_LIST.size()]; 66 for (int i = 0; i < TESTED_METHODS_LIST.size(); i++) { 67 compLevels[i] = Integer.parseInt(args[2 * i]); 68 inlines[i] = Boolean.parseBoolean(args[2 * i + 1]); 69 } 70 new SegmentedCodeCacheDtraceTestWorker(compLevels, inlines).test(); 71 } 72 } 73 74 public SegmentedCodeCacheDtraceTestWorker(int compLevels[], boolean inlines[]) { 75 wb = WhiteBox.getWhiteBox(); 76 this.compLevels = Arrays.copyOf(compLevels, compLevels.length); 77 for (int i = 0; i < compLevels.length; i++) { 78 if (inlines[i]) { 79 wb.testSetForceInlineMethod(TESTED_METHODS_LIST.get(i), true); 80 } else { 81 wb.testSetDontInlineMethod(TESTED_METHODS_LIST.get(i), true); 82 } 83 } 84 } 85 86 private void waitForCompilation(Executable executable, int compLevel) { 87 if (compLevel > 0) { 88 Utils.waitForCondition(() -> wb.isMethodCompiled(executable)); 89 } 90 } 91 92 protected void test() { 93 for (int i = 0; i < TESTED_METHODS_LIST.size(); i++) { 94 Executable method = TESTED_METHODS_LIST.get(i); 95 int compLevel = compLevels[i]; 96 wb.enqueueMethodForCompilation(method, compLevel); 97 waitForCompilation(method, compLevel); 98 } 99 foo(); 100 } 101 102 public static void foo() { 103 bar(); 104 } 105 106 public static void bar() { 107 baz(); 108 } 109 110 public static void baz() { 111 System.out.println("Reached baz method"); 112 } 113 }