1/*
2 * Copyright (c) 2002, 2015, 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/shared/generationCounters.hpp"
27#include "memory/resourceArea.hpp"
28
29void GenerationCounters::initialize(const char* name, int ordinal, int spaces,
30                                    size_t min_capacity, size_t max_capacity,
31                                    size_t curr_capacity) {
32  if (UsePerfData) {
33    EXCEPTION_MARK;
34    ResourceMark rm;
35
36    const char* cns = PerfDataManager::name_space("generation", ordinal);
37
38    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
39    strcpy(_name_space, cns);
40
41    const char* cname = PerfDataManager::counter_name(_name_space, "name");
42    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
43
44    cname = PerfDataManager::counter_name(_name_space, "spaces");
45    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
46                                     spaces, CHECK);
47
48    cname = PerfDataManager::counter_name(_name_space, "minCapacity");
49    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
50                                     min_capacity, CHECK);
51
52    cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
53    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
54                                     max_capacity, CHECK);
55
56    cname = PerfDataManager::counter_name(_name_space, "capacity");
57    _current_size =
58      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
59                                       curr_capacity, CHECK);
60  }
61}
62
63GenerationCounters::GenerationCounters(const char* name,
64                                       int ordinal, int spaces,
65                                       size_t min_capacity, size_t max_capacity,
66                                       VirtualSpace* v)
67  : _virtual_space(v) {
68  assert(v != NULL, "don't call this constructor if v == NULL");
69  initialize(name, ordinal, spaces,
70             min_capacity, max_capacity, v->committed_size());
71}
72
73GenerationCounters::GenerationCounters(const char* name,
74                                       int ordinal, int spaces,
75                                       size_t min_capacity, size_t max_capacity,
76                                       size_t curr_capacity)
77  : _virtual_space(NULL) {
78  initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity);
79}
80
81void GenerationCounters::update_all() {
82  assert(_virtual_space != NULL, "otherwise, override this method");
83  _current_size->set_value(_virtual_space->committed_size());
84}
85