1 /*

     2  * Copyright (c) 1998, 2007, 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 // Interface to Intel's VTune profiler.

    26 

    27 class VTune : AllStatic {

    28  public:

    29    static void create_nmethod(nmethod* nm);      // register newly created nmethod

    30    static void delete_nmethod(nmethod* nm);      // unregister nmethod before discarding it

    31 

    32    static void register_stub(const char* name, address start, address end);

    33                                                  // register internal VM stub

    34    static void start_GC();                       // start/end of GC or scavenge

    35    static void end_GC();

    36 

    37    static void start_class_load();               // start/end of class loading

    38    static void end_class_load();

    39 

    40    static void exit();                           // VM exit

    41 };

    42 

    43 

    44 // helper objects

    45 class VTuneGCMarker : StackObj {

    46  public:

    47    VTuneGCMarker() { VTune::start_GC(); }

    48   ~VTuneGCMarker() { VTune::end_GC(); }

    49 };

    50 

    51 class VTuneClassLoadMarker : StackObj {

    52  public:

    53    VTuneClassLoadMarker() { VTune::start_class_load(); }

    54   ~VTuneClassLoadMarker() { VTune::end_class_load(); }

    55 };