1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "memory/metaspaceCounters.hpp"
#include "memory/resourceArea.hpp"
#include "runtime/globals.hpp"
#include "runtime/perfData.hpp"
#include "utilities/exceptions.hpp"
class MetaspacePerfCounters: public CHeapObj<mtInternal> {
friend class VMStructs;
PerfVariable* _capacity;
PerfVariable* _used;
PerfVariable* _max_capacity;
PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) {
const char *path = PerfDataManager::counter_name(ns, name);
return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
}
void create_constant(const char *ns, const char *name, size_t value, TRAPS) {
const char *path = PerfDataManager::counter_name(ns, name);
PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
}
public:
MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) {
EXCEPTION_MARK;
ResourceMark rm;
create_constant(ns, "minCapacity", min_capacity, THREAD);
_capacity = create_variable(ns, "capacity", curr_capacity, THREAD);
_max_capacity = create_variable(ns, "maxCapacity", max_capacity, THREAD);
_used = create_variable(ns, "used", used, THREAD);
}
void update(size_t capacity, size_t max_capacity, size_t used) {
_capacity->set_value(capacity);
_max_capacity->set_value(max_capacity);
_used->set_value(used);
}
};
MetaspacePerfCounters* MetaspaceCounters::_perf_counters = NULL;
size_t MetaspaceCounters::used() {
return MetaspaceAux::allocated_used_bytes();
}
size_t MetaspaceCounters::capacity() {
return MetaspaceAux::committed_bytes();
}
size_t MetaspaceCounters::max_capacity() {
return MetaspaceAux::reserved_bytes();
}
void MetaspaceCounters::initialize_performance_counters() {
if (UsePerfData) {
assert(_perf_counters == NULL, "Should only be initialized once");
size_t min_capacity = 0;
_perf_counters = new MetaspacePerfCounters("metaspace", min_capacity,
capacity(), max_capacity(), used());
}
}
void MetaspaceCounters::update_performance_counters() {
if (UsePerfData) {
assert(_perf_counters != NULL, "Should be initialized");
_perf_counters->update(capacity(), max_capacity(), used());
}
}
MetaspacePerfCounters* CompressedClassSpaceCounters::_perf_counters = NULL;
size_t CompressedClassSpaceCounters::used() {
return MetaspaceAux::allocated_used_bytes(Metaspace::ClassType);
}
size_t CompressedClassSpaceCounters::capacity() {
return MetaspaceAux::committed_bytes(Metaspace::ClassType);
}
size_t CompressedClassSpaceCounters::max_capacity() {
return MetaspaceAux::reserved_bytes(Metaspace::ClassType);
}
void CompressedClassSpaceCounters::update_performance_counters() {
if (UsePerfData && UseCompressedClassPointers) {
assert(_perf_counters != NULL, "Should be initialized");
_perf_counters->update(capacity(), max_capacity(), used());
}
}
void CompressedClassSpaceCounters::initialize_performance_counters() {
if (UsePerfData) {
assert(_perf_counters == NULL, "Should only be initialized once");
const char* ns = "compressedclassspace";
if (UseCompressedClassPointers) {
size_t min_capacity = 0;
_perf_counters = new MetaspacePerfCounters(ns, min_capacity, capacity(),
max_capacity(), used());
} else {
_perf_counters = new MetaspacePerfCounters(ns, 0, 0, 0, 0);
}
}
}
|
