1 /*

     2  * Copyright (c) 2002, 2019, 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 #include "precompiled.hpp"

    26 #include "gc/cms/gSpaceCounters.hpp"

    27 #include "gc/shared/generation.hpp"

    28 #include "memory/allocation.inline.hpp"

    29 #include "memory/resourceArea.hpp"

    30 #include "utilities/macros.hpp"

    31 

    32 GSpaceCounters::GSpaceCounters(const char* name, int ordinal, size_t max_size,

    33                                Generation* g, GenerationCounters* gc,

    34                                bool sampled) :

    35    _gen(g) {

    36 

    37   if (UsePerfData) {

    38     EXCEPTION_MARK;

    39     ResourceMark rm;

    40 

    41     const char* cns = PerfDataManager::name_space(gc->name_space(), "space",

    42                                                   ordinal);

    43 

    44     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);

    45     strcpy(_name_space, cns);

    46 

    47     const char* cname = PerfDataManager::counter_name(_name_space, "name");

    48     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);

    49 

    50     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");

    51     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    52                                      (jlong)max_size, CHECK);

    53 

    54     cname = PerfDataManager::counter_name(_name_space, "capacity");

    55     _capacity = PerfDataManager::create_variable(SUN_GC, cname,

    56                                                  PerfData::U_Bytes,

    57                                                  _gen->capacity(), CHECK);

    58 

    59     cname = PerfDataManager::counter_name(_name_space, "used");

    60     if (sampled) {

    61       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

    62                                                new GenerationUsedHelper(_gen),

    63                                                CHECK);

    64     }

    65     else {

    66       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

    67                                                (jlong)0, CHECK);

    68     }

    69 

    70     cname = PerfDataManager::counter_name(_name_space, "initCapacity");

    71     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    72                                      _gen->capacity(), CHECK);

    73   }

    74 }

    75 

    76 GSpaceCounters::~GSpaceCounters() {

    77   FREE_C_HEAP_ARRAY(char, _name_space);

    78 }