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
175
|
.\" -*- nroff -*-
.TH TAPSET::MEMORY 3stap "October 2018" "SystemTap Tapset Reference"
.SH NAME
tapset::memory \- systemtap memory tapset
.SH DESCRIPTION
This family of probe points is used to probe memory-related events.
.TP
.P
.TP
.B vm_fault_contains
Test return value for page fault reason
.IP
See
.IR function::vm_fault_contains (3stap)
for details.
.P
.TP
.B vm.pagefault
Records that a page fault occurred
.IP
See
.IR probe::vm.pagefault (3stap)
for details.
.P
.TP
.B vm.pagefault.return
Indicates what type of fault occurred
.IP
See
.IR probe::vm.pagefault.return (3stap)
for details.
.P
.TP
.B addr_to_node
Returns which node a given address belongs to within a NUMA system
.IP
See
.IR function::addr_to_node (3stap)
for details.
.P
.TP
.B vm.write_shared
Attempts at writing to a shared page
.IP
See
.IR probe::vm.write_shared (3stap)
for details.
.P
.TP
.B vm.write_shared_copy
Page copy for shared page write
.IP
See
.IR probe::vm.write_shared_copy (3stap)
for details.
.P
.TP
.B vm.mmap
Fires when an mmap is requested
.IP
See
.IR probe::vm.mmap (3stap)
for details.
.P
.TP
.B vm.munmap
Fires when an munmap is requested
.IP
See
.IR probe::vm.munmap (3stap)
for details.
.P
.TP
.B vm.brk
Fires when a brk is requested (i.e. the heap will be resized)
.IP
See
.IR probe::vm.brk (3stap)
for details.
.P
.TP
.B vm.oom_kill
Fires when a thread is selected for termination by the OOM killer
.IP
See
.IR probe::vm.oom_kill (3stap)
for details.
.P
.TP
.B vm.kmalloc
Fires when kmalloc is requested
.IP
See
.IR probe::vm.kmalloc (3stap)
for details.
.P
.TP
.B vm.kmem_cache_alloc
Fires when kmem_cache_alloc is requested
.IP
See
.IR probe::vm.kmem_cache_alloc (3stap)
for details.
.P
.TP
.B vm.kmalloc_node
Fires when kmalloc_node is requested
.IP
See
.IR probe::vm.kmalloc_node (3stap)
for details.
.P
.TP
.B vm.kmem_cache_alloc_node
Fires when kmem_cache_alloc_node is requested
.IP
See
.IR probe::vm.kmem_cache_alloc_node (3stap)
for details.
.P
.TP
.B vm.kfree
Fires when kfree is requested
.IP
See
.IR probe::vm.kfree (3stap)
for details.
.P
.TP
.B vm.kmem_cache_free
Fires when kmem_cache_free is requested
.IP
See
.IR probe::vm.kmem_cache_free (3stap)
for details.
.SH SEE ALSO
.BR
.IR \%function::vm_fault_contains (3stap),
.BR
.IR \%function::addr_to_node (3stap),
.BR
.IR \%probe::vm.pagefault (3stap),
.BR
.IR \%probe::vm.pagefault.return (3stap),
.BR
.IR \%probe::vm.write_shared (3stap),
.BR
.IR \%probe::vm.write_shared_copy (3stap),
.BR
.IR \%probe::vm.mmap (3stap),
.BR
.IR \%probe::vm.munmap (3stap),
.BR
.IR \%probe::vm.brk (3stap),
.BR
.IR \%probe::vm.oom_kill (3stap),
.BR
.IR \%probe::vm.kmalloc (3stap),
.BR
.IR \%probe::vm.kmem_cache_alloc (3stap),
.BR
.IR \%probe::vm.kmalloc_node (3stap),
.BR
.IR \%probe::vm.kmem_cache_alloc_node (3stap),
.BR
.IR \%probe::vm.kfree (3stap),
.BR
.IR \%probe::vm.kmem_cache_free (3stap),
.BR
.IR \%stap (1),
.IR \%stapprobes (3stap)
|
