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/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 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
78 }