1 /* 2 * Copyright (c) 2003, 2004, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.management; 27 28 import sun.management.counter.Counter; 29 30 /** 31 * Hotspot internal management interface for the compilation system. 32 */ 33 public interface HotspotCompilationMBean { 34 35 /** 36 * Returns the number of compiler threads. 37 * 38 * @return the number of compiler threads. 39 */ 40 public int getCompilerThreadCount(); 41 42 /** 43 * Returns the statistic of all compiler threads. 44 * 45 * @return a list of {@link CompilerThreadStat} object containing 46 * the statistic of a compiler thread. 47 * 48 */ 49 public java.util.List<CompilerThreadStat> getCompilerThreadStats(); 50 51 /** 52 * Returns the total number of compiles. 53 * 54 * @return the total number of compiles. 55 */ 56 public long getTotalCompileCount(); 57 58 /** 59 * Returns the number of bailout compiles. 60 * 61 * @return the number of bailout compiles. 62 */ 63 public long getBailoutCompileCount(); 64 65 /** 66 * Returns the number of invalidated compiles. 67 * 68 * @return the number of invalidated compiles. 69 */ 70 public long getInvalidatedCompileCount(); 71 72 /** 73 * Returns the method information of the last compiled method. 74 * 75 * @return a {@link MethodInfo} of the last compiled method. 76 */ 77 public MethodInfo getLastCompile(); 78 79 /** 80 * Returns the method information of the last failed compile. 81 * 82 * @return a {@link MethodInfo} of the last failed compile. 83 */ 84 public MethodInfo getFailedCompile(); 85 86 /** 87 * Returns the method information of the last invalidated compile. 88 * 89 * @return a {@link MethodInfo} of the last invalidated compile. 90 */ 91 public MethodInfo getInvalidatedCompile(); 92 93 /** 94 * Returns the number of bytes for the code of the 95 * compiled methods. 96 * 97 * @return the number of bytes for the code of the compiled methods. 98 */ 99 public long getCompiledMethodCodeSize(); 100 101 /** 102 * Returns the number of bytes occupied by the compiled methods. 103 * 104 * @return the number of bytes occupied by the compiled methods. 105 */ 106 public long getCompiledMethodSize(); 107 108 /** 109 * Returns a list of internal counters maintained in the Java 110 * virtual machine for the compilation system. 111 * 112 * @return a list of internal counters maintained in the VM 113 * for the compilation system. 114 */ 115 public java.util.List<Counter> getInternalCompilerCounters(); 116 }