blob: 40ac5b3776afba56300d38a5f4c612f4bf6279c6 (
plain) (
blame)
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
# Copyright (C) 2016-2024 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library 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
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
# Allowed attributes for tunables:
#
# type: Defaults to STRING
# minval: Optional minimum acceptable value
# maxval: Optional maximum acceptable value
# default: Optional default value (if not specified it will be 0 or "")
# env_alias: An alias environment variable
glibc {
malloc {
check {
type: INT_32
minval: 0
maxval: 3
env_alias: MALLOC_CHECK_
}
top_pad {
type: SIZE_T
env_alias: MALLOC_TOP_PAD_
default: 131072
}
perturb {
type: INT_32
minval: 0
maxval: 0xff
env_alias: MALLOC_PERTURB_
}
mmap_threshold {
type: SIZE_T
env_alias: MALLOC_MMAP_THRESHOLD_
}
trim_threshold {
type: SIZE_T
env_alias: MALLOC_TRIM_THRESHOLD_
}
mmap_max {
type: INT_32
env_alias: MALLOC_MMAP_MAX_
minval: 0
}
arena_max {
type: SIZE_T
env_alias: MALLOC_ARENA_MAX
minval: 1
}
arena_test {
type: SIZE_T
env_alias: MALLOC_ARENA_TEST
minval: 1
}
tcache_max {
type: SIZE_T
}
tcache_count {
type: SIZE_T
}
tcache_unsorted_limit {
type: SIZE_T
}
mxfast {
type: SIZE_T
minval: 0
}
hugetlb {
type: SIZE_T
minval: 0
}
}
elision {
enable {
type: INT_32
minval: 0
maxval: 1
}
skip_lock_busy {
type: INT_32
default: 3
minval: 0
}
skip_lock_internal_abort {
type: INT_32
default: 3
minval: 0
}
skip_lock_after_retries {
type: INT_32
default: 3
minval: 0
}
tries {
type: INT_32
default: 3
minval: 0
}
skip_trylock_internal_abort {
type: INT_32
default: 3
minval: 0
}
}
rtld {
nns {
type: SIZE_T
minval: 1
maxval: 16
default: 4
}
optional_static_tls {
type: SIZE_T
minval: 0
default: 512
}
enable_secure {
type: INT_32
minval: 0
maxval: 1
default: 0
}
}
mem {
tagging {
type: INT_32
minval: 0
maxval: 255
}
decorate_maps {
type: INT_32
minval: 0
maxval: 1
}
}
rtld {
dynamic_sort {
type: INT_32
minval: 1
maxval: 2
default: 2
}
}
gmon {
minarcs {
type: INT_32
minval: 50
default: 50
}
maxarcs {
type: INT_32
minval: 50
default: 1048576
}
}
}
|
