author | stuefe |
Mon, 25 Nov 2019 16:35:14 +0100 | |
branch | stuefe-new-metaspace-branch |
changeset 59257 | 990b1fed3b47 |
parent 59155 | b537e6386306 |
permissions | -rw-r--r-- |
58063
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
1 |
/* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
2 |
* Copyright (c) 2019, SAP SE. All rights reserved. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
3 |
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
4 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
5 |
* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
6 |
* This code is free software; you can redistribute it and/or modify it |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
7 |
* under the terms of the GNU General Public License version 2 only, as |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
8 |
* published by the Free Software Foundation. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
9 |
* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
10 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
11 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
12 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
13 |
* version 2 for more details (a copy is included in the LICENSE file that |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
14 |
* accompanied this code). |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
15 |
* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
16 |
* You should have received a copy of the GNU General Public License version |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
17 |
* 2 along with this work; if not, write to the Free Software Foundation, |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
18 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
19 |
* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
20 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
21 |
* or visit www.oracle.com if you need additional information or have any |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
22 |
* questions. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
23 |
* |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
24 |
*/ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
25 |
#ifndef SHARE_MEMORY_METASPACE_INTERNSTAT_HPP |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
26 |
#define SHARE_MEMORY_METASPACE_INTERNSTAT_HPP |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
27 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
28 |
#ifdef ASSERT |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
29 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
30 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
31 |
#include "memory/allocation.hpp" |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
32 |
#include "runtime/atomic.hpp" |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
33 |
#include "utilities/globalDefinitions.hpp" |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
34 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
35 |
class outputStream; |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
36 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
37 |
namespace metaspace { |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
38 |
|
59257 | 39 |
|
40 |
// A number of counters for internal metaspace statistics; Only active in debug. |
|
58063
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
41 |
class InternalStats : public AllStatic { |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
42 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
43 |
// Note: all counters which are modified on the classloader local allocation path |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
44 |
// (not under ExpandLock protection) have to be atomic. |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
45 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
46 |
#define ALL_MY_COUNTERS(x, x_atomic) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
47 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
48 |
/* Number of allocations. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
49 |
x_atomic(num_allocs) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
50 |
\ |
59155
b537e6386306
LeftOverBins as an optional replacement of free block dictionary which is rather ineffective
stuefe
parents:
58227
diff
changeset
|
51 |
/* Number of deallocations (external) */ \ |
58063
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
52 |
x_atomic(num_deallocs) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
53 |
/* Number of times an allocation was satisfied */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
54 |
/* from deallocated blocks. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
55 |
x_atomic(num_allocs_from_deallocated_blocks) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
56 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
57 |
/* Number of times an allocation failed */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
58 |
/* because the chunk was too small. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
59 |
x_atomic(num_allocs_failed_chunk_too_small) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
60 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
61 |
/* Number of times an allocation failed */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
62 |
/* because we hit a limit. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
63 |
x_atomic(num_allocs_failed_limit) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
64 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
65 |
/* Number of times a ClassLoaderMetaspace was */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
66 |
/* born... */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
67 |
x(num_metaspace_births) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
68 |
/* ... and died. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
69 |
x(num_metaspace_deaths) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
70 |
\ |
58227 | 71 |
/* Number of times a ClassLoaderMetaspace was */ \ |
72 |
/* born for an anonymous class... */ \ |
|
73 |
x(num_anon_cld_births) \ |
|
74 |
/* ... and died. */ \ |
|
75 |
x(num_anon_cld_deaths) \ |
|
76 |
\ |
|
58063
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
77 |
/* Number of times VirtualSpaceNode were */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
78 |
/* created... */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
79 |
x(num_vsnodes_created) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
80 |
/* ... and purged. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
81 |
x(num_vsnodes_destroyed) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
82 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
83 |
/* Number of times we committed space. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
84 |
x(num_space_committed) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
85 |
/* Number of times we uncommitted space. */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
86 |
x(num_space_uncommitted) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
87 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
88 |
/* Number of times a chunk was returned to the */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
89 |
/* freelist (external only). */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
90 |
x(num_chunks_returned_to_freelist) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
91 |
/* Number of times a chunk was taken from */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
92 |
/* freelist (external only) */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
93 |
x(num_chunks_taken_from_freelist) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
94 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
95 |
/* Number of successful chunk merges */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
96 |
x(num_chunk_merges) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
97 |
/* Number of chunks removed from freelist as */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
98 |
/* result of a merge operation */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
99 |
x(num_chunks_removed_from_freelist_due_to_merge) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
100 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
101 |
/* Number of chunk splits */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
102 |
x(num_chunk_splits) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
103 |
/* Number of chunks added to freelist as */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
104 |
/* result of a split operation */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
105 |
x(num_chunks_added_to_freelist_due_to_split) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
106 |
/* Number of chunk in place enlargements */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
107 |
x(num_chunk_enlarged) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
108 |
/* Number of chunks retired */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
109 |
x(num_chunks_retired) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
110 |
\ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
111 |
/* Number of times we did a purge */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
112 |
x(num_purges) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
113 |
/* Number of times we did a wholesale uncommit */ \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
114 |
x(num_wholesale_uncommits) \ |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
115 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
116 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
117 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
118 |
#define DEFINE_COUNTER(name) static uintx _##name; |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
119 |
#define DEFINE_ATOMIC_COUNTER(name) static volatile uintx _##name; |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
120 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
121 |
ALL_MY_COUNTERS(DEFINE_COUNTER, DEFINE_ATOMIC_COUNTER) |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
122 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
123 |
#undef DEFINE_COUNTER |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
124 |
#undef DEFINE_ATOMIC_COUNTER |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
125 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
126 |
public: |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
127 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
128 |
#define INCREMENTOR(name) static void inc_##name() { _##name ++; } |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
129 |
#define INCREMENTOR_ATOMIC(name) static void inc_##name() { Atomic::inc(&_##name); } |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
130 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
131 |
ALL_MY_COUNTERS(INCREMENTOR, INCREMENTOR_ATOMIC) |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
132 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
133 |
static void print_on(outputStream* st); |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
134 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
135 |
#undef INCREMENTOR |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
136 |
#undef INCREMENTOR_ATOMIC |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
137 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
138 |
}; |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
139 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
140 |
} // namespace metaspace |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
141 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
142 |
#endif // ASSERT |
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
143 |
|
bdf136b8ae0e
Initial changes for new metaspace. Only tested for Linux x64.
stuefe
parents:
diff
changeset
|
144 |
#endif // SHARE_MEMORY_METASPACE_INTERNSTAT_HPP |