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 }