1 /*
2 * Copyright (c) 2018, 2020, 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 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.hpp"
27 #include "memory/metaspace/printCLDMetaspaceInfoClosure.hpp"
28 #include "memory/metaspace/printMetaspaceInfoKlassClosure.hpp"
29 #include "memory/metaspaceShared.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "runtime/safepoint.hpp"
32 #include "utilities/globalDefinitions.hpp"
33 #include "utilities/ostream.hpp"
34
35
36 namespace metaspace {
37
38 PrintCLDMetaspaceInfoClosure::PrintCLDMetaspaceInfoClosure(outputStream* out, size_t scale, bool do_print,
39 bool do_print_classes, bool break_down_by_chunktype)
40 : _out(out), _scale(scale), _do_print(do_print), _do_print_classes(do_print_classes)
41 , _break_down_by_chunktype(break_down_by_chunktype)
42 , _num_loaders(0), _num_loaders_without_metaspace(0), _num_loaders_unloading(0)
43 , _num_classes(0), _num_classes_shared(0)
44 {
45 memset(_num_loaders_by_spacetype, 0, sizeof(_num_loaders_by_spacetype));
46 memset(_num_classes_by_spacetype, 0, sizeof(_num_classes_by_spacetype));
47 memset(_num_classes_shared_by_spacetype, 0, sizeof(_num_classes_shared_by_spacetype));
48 }
49
63 }
64
65 }; // end: PrintKlassInfoClosure
66
67 void PrintCLDMetaspaceInfoClosure::do_cld(ClassLoaderData* cld) {
68
69 assert(SafepointSynchronize::is_at_safepoint(), "Must be at a safepoint");
70
71 if (cld->is_unloading()) {
72 _num_loaders_unloading ++;
73 return;
74 }
75
76 ClassLoaderMetaspace* msp = cld->metaspace_or_null();
77 if (msp == NULL) {
78 _num_loaders_without_metaspace ++;
79 return;
80 }
81
82 // Collect statistics for this class loader metaspace
83 ClassLoaderMetaspaceStatistics this_cld_stat;
84 msp->add_to_statistics(&this_cld_stat);
85
86 // And add it to the running totals
87 _stats_total.add(this_cld_stat);
88 _num_loaders ++;
89 _stats_by_spacetype[msp->space_type()].add(this_cld_stat);
90 _num_loaders_by_spacetype[msp->space_type()] ++;
91
92 // Count classes loaded by this CLD.
93 CountKlassClosure ckc;
94 cld->classes_do(&ckc);
95 // accumulate.
96 _num_classes += ckc._num_classes;
97 _num_classes_by_spacetype[msp->space_type()] += ckc._num_classes;
98 _num_classes_shared += ckc._num_classes_shared;
99 _num_classes_shared_by_spacetype[msp->space_type()] += ckc._num_classes_shared;
100
101 // Optionally, print
102 if (_do_print) {
103
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1 /*
2 * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2018, 2020 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "classfile/classLoaderData.inline.hpp"
28 #include "classfile/javaClasses.hpp"
29 #include "memory/metaspace.hpp"
30 #include "memory/metaspace/printCLDMetaspaceInfoClosure.hpp"
31 #include "memory/metaspace/printMetaspaceInfoKlassClosure.hpp"
32 #include "memory/metaspace/metaspaceCommon.hpp"
33 #include "memory/resourceArea.hpp"
34 #include "runtime/safepoint.hpp"
35 #include "utilities/globalDefinitions.hpp"
36 #include "utilities/ostream.hpp"
37
38
39 namespace metaspace {
40
41 PrintCLDMetaspaceInfoClosure::PrintCLDMetaspaceInfoClosure(outputStream* out, size_t scale, bool do_print,
42 bool do_print_classes, bool break_down_by_chunktype)
43 : _out(out), _scale(scale), _do_print(do_print), _do_print_classes(do_print_classes)
44 , _break_down_by_chunktype(break_down_by_chunktype)
45 , _num_loaders(0), _num_loaders_without_metaspace(0), _num_loaders_unloading(0)
46 , _num_classes(0), _num_classes_shared(0)
47 {
48 memset(_num_loaders_by_spacetype, 0, sizeof(_num_loaders_by_spacetype));
49 memset(_num_classes_by_spacetype, 0, sizeof(_num_classes_by_spacetype));
50 memset(_num_classes_shared_by_spacetype, 0, sizeof(_num_classes_shared_by_spacetype));
51 }
52
66 }
67
68 }; // end: PrintKlassInfoClosure
69
70 void PrintCLDMetaspaceInfoClosure::do_cld(ClassLoaderData* cld) {
71
72 assert(SafepointSynchronize::is_at_safepoint(), "Must be at a safepoint");
73
74 if (cld->is_unloading()) {
75 _num_loaders_unloading ++;
76 return;
77 }
78
79 ClassLoaderMetaspace* msp = cld->metaspace_or_null();
80 if (msp == NULL) {
81 _num_loaders_without_metaspace ++;
82 return;
83 }
84
85 // Collect statistics for this class loader metaspace
86 clms_stats_t this_cld_stat;
87 msp->add_to_statistics(&this_cld_stat);
88
89 // And add it to the running totals
90 _stats_total.add(this_cld_stat);
91 _num_loaders ++;
92 _stats_by_spacetype[msp->space_type()].add(this_cld_stat);
93 _num_loaders_by_spacetype[msp->space_type()] ++;
94
95 // Count classes loaded by this CLD.
96 CountKlassClosure ckc;
97 cld->classes_do(&ckc);
98 // accumulate.
99 _num_classes += ckc._num_classes;
100 _num_classes_by_spacetype[msp->space_type()] += ckc._num_classes;
101 _num_classes_shared += ckc._num_classes_shared;
102 _num_classes_shared_by_spacetype[msp->space_type()] += ckc._num_classes_shared;
103
104 // Optionally, print
105 if (_do_print) {
106
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