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/allocation.inline.hpp"
28#include "memory/resourceArea.hpp"
29
30void GenerationCounters::initialize(const char* name, int ordinal, int spaces,
31 size_t min_capacity, size_t max_capacity,
32 size_t curr_capacity) {
33 if (UsePerfData) {
34 EXCEPTION_MARK;
35 ResourceMark rm;
36
37 const char* cns = PerfDataManager::name_space("generation", ordinal);
38
39 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
40 strcpy(_name_space, cns);
41
42 const char* cname = PerfDataManager::counter_name(_name_space, "name");
43 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
44
45 cname = PerfDataManager::counter_name(_name_space, "spaces");
46 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
47 spaces, CHECK);
48
49 cname = PerfDataManager::counter_name(_name_space, "minCapacity");
50 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
51 min_capacity, CHECK);
52
53 cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
54 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
55 max_capacity, CHECK);
56
57 cname = PerfDataManager::counter_name(_name_space, "capacity");
58 _current_size =
59 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
60 curr_capacity, CHECK);
61 }
62}
63
64GenerationCounters::GenerationCounters(const char* name,
65 int ordinal, int spaces,
66 size_t min_capacity, size_t max_capacity,
67 VirtualSpace* v)
68 : _virtual_space(v) {
69 assert(v != NULL, "don't call this constructor if v == NULL");
70 initialize(name, ordinal, spaces,
71 min_capacity, max_capacity, v->committed_size());
72}
73
74GenerationCounters::GenerationCounters(const char* name,
75 int ordinal, int spaces,
76 size_t min_capacity, size_t max_capacity,
77 size_t curr_capacity)
78 : _virtual_space(NULL) {
79 initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity);
80}
81
82GenerationCounters::~GenerationCounters() {
83 if (_name_space != NULL) {
84 FREE_C_HEAP_ARRAY(char, _name_space);
85 }
86}
87
88void GenerationCounters::update_all() {
89 assert(_virtual_space != NULL, "otherwise, override this method");
90 _current_size->set_value(_virtual_space->committed_size());
91}
92