1 /*

     2  * Copyright (c) 2012, 2018, 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 #ifndef SHARE_VM_JFR_RECORDER_SERVICE_JFROPTIONSET_HPP

    26 #define SHARE_VM_JFR_RECORDER_SERVICE_JFROPTIONSET_HPP

    27 

    28 #include "jni.h"

    29 #include "memory/allocation.hpp"

    30 #include "utilities/exceptions.hpp"

    31 

    32 //

    33 // Command-line options and defaults

    34 //

    35 class JfrOptionSet : public AllStatic {

    36   friend class JfrRecorder;

    37  private:

    38   static jlong _max_chunk_size;

    39   static jlong _global_buffer_size;

    40   static jlong _thread_buffer_size;

    41   static jlong _memory_size;

    42   static jlong _num_global_buffers;

    43   static jlong _old_object_queue_size;

    44   static u4 _stack_depth;

    45   static jboolean _sample_threads;

    46   static jboolean _retransform;

    47   static jboolean _sample_protection;

    48 

    49   static bool initialize(Thread* thread);

    50   static bool configure(TRAPS);

    51   static bool adjust_memory_options();

    52 

    53  public:

    54   static jlong max_chunk_size();

    55   static void set_max_chunk_size(jlong value);

    56   static jlong global_buffer_size();

    57   static void set_global_buffer_size(jlong value);

    58   static jlong thread_buffer_size();

    59   static void set_thread_buffer_size(jlong value);

    60   static jlong memory_size();

    61   static void set_memory_size(jlong value);

    62   static jlong num_global_buffers();

    63   static void set_num_global_buffers(jlong value);

    64   static jint old_object_queue_size();

    65   static void set_old_object_queue_size(jlong value);

    66   static u4 stackdepth();

    67   static void set_stackdepth(u4 depth);

    68   static bool sample_threads();

    69   static void set_sample_threads(jboolean sample);

    70   static bool can_retransform();

    71   static void set_retransform(jboolean value);

    72   static bool compressed_integers();

    73   static bool allow_retransforms();

    74   static bool allow_event_retransforms();

    75   static bool sample_protection();

    76   DEBUG_ONLY(static void set_sample_protection(jboolean protection);)

    77 

    78   static bool parse_start_flight_recording_option(const JavaVMOption** option, char* tail);

    79   static bool parse_flight_recorder_option(const JavaVMOption** option, char* tail);

    80 

    81 };

    82 

    83 #endif // SHARE_VM_JFR_RECORDER_SERVICE_JFROPTIONSET_HPP