hSpaceCounters.cpp revision 8413:92457dfb91bd 
1/*
2 * Copyright (c) 2011, 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.
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23 */
24
25#include "precompiled.hpp"
26#include "gc/g1/hSpaceCounters.hpp"
27#include "gc/shared/generation.hpp"
28#include "memory/resourceArea.hpp"
29
30HSpaceCounters::HSpaceCounters(const char* name,
31                               int ordinal,
32                               size_t max_size,
33                               size_t initial_capacity,
34                               GenerationCounters* gc) {
35
36  if (UsePerfData) {
37    EXCEPTION_MARK;
38    ResourceMark rm;
39
40    const char* cns =
41      PerfDataManager::name_space(gc->name_space(), "space", ordinal);
42
43    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
44    strcpy(_name_space, cns);
45
46    const char* cname = PerfDataManager::counter_name(_name_space, "name");
47    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
48
49    cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
50    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
51                                     (jlong)max_size, CHECK);
52
53    cname = PerfDataManager::counter_name(_name_space, "capacity");
54    _capacity = PerfDataManager::create_variable(SUN_GC, cname,
55                                                 PerfData::U_Bytes,
56                                                 initial_capacity, CHECK);
57
58    cname = PerfDataManager::counter_name(_name_space, "used");
59    _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
60                                             (jlong) 0, CHECK);
61
62    cname = PerfDataManager::counter_name(_name_space, "initCapacity");
63    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
64                                     initial_capacity, CHECK);
65  }
66}
67