1TAPSET::MEMORY(3stap) TAPSET::MEMORY(3stap)
2
3
4
6 tapset::memory - systemtap memory tapset
7
8
10 This family of probe points is used to probe memory-related events.
11
12
13
14 vm_fault_contains
15 Test return value for page fault reason
16
17 See function::vm_fault_contains(3stap)
18 for details.
19
20 vm.pagefault
21 Records that a page fault occurred
22
23 See probe::vm.pagefault(3stap)
24 for details.
25
26 vm.pagefault.return
27 Indicates what type of fault occurred
28
29 See probe::vm.pagefault.return(3stap)
30 for details.
31
32 addr_to_node
33 Returns which node a given address belongs to within a
34 NUMA system
35
36 See function::addr_to_node(3stap)
37 for details.
38
39 vm.write_shared
40 Attempts at writing to a shared page
41
42 See probe::vm.write_shared(3stap)
43 for details.
44
45 vm.write_shared_copy
46 Page copy for shared page write
47
48 See probe::vm.write_shared_copy(3stap)
49 for details.
50
51 vm.mmap
52 Fires when an mmap is requested
53
54 See probe::vm.mmap(3stap)
55 for details.
56
57 vm.munmap
58 Fires when an munmap is requested
59
60 See probe::vm.munmap(3stap)
61 for details.
62
63 vm.brk Fires when a brk is requested (i.e. the heap will be
64 resized)
65
66 See probe::vm.brk(3stap)
67 for details.
68
69 vm.oom_kill
70 Fires when a thread is selected for termination by the
71 OOM killer
72
73 See probe::vm.oom_kill(3stap)
74 for details.
75
76 vm.kmalloc
77 Fires when kmalloc is requested
78
79 See probe::vm.kmalloc(3stap)
80 for details.
81
82 vm.kmem_cache_alloc
83 Fires when kmem_cache_alloc is requested
84
85 See probe::vm.kmem_cache_alloc(3stap)
86 for details.
87
88 vm.kmalloc_node
89 Fires when kmalloc_node is requested
90
91 See probe::vm.kmalloc_node(3stap)
92 for details.
93
94 vm.kmem_cache_alloc_node
95 Fires when kmem_cache_alloc_node is requested
96
97 See probe::vm.kmem_cache_alloc_node(3stap)
98 for details.
99
100 vm.kfree
101 Fires when kfree is requested
102
103 See probe::vm.kfree(3stap)
104 for details.
105
106 vm.kmem_cache_free
107 Fires when kmem_cache_free is requested
108
109 See probe::vm.kmem_cache_free(3stap)
110 for details.
111
112
114 function::vm_fault_contains(3stap),
115 function::addr_to_node(3stap), probe::vm.pagefault(3stap),
116 probe::vm.pagefault.return(3stap),
117 probe::vm.write_shared(3stap),
118 probe::vm.write_shared_copy(3stap), probe::vm.mmap(3stap),
119 probe::vm.munmap(3stap), probe::vm.brk(3stap),
120 probe::vm.oom_kill(3stap), probe::vm.kmalloc(3stap),
121 probe::vm.kmem_cache_alloc(3stap),
122 probe::vm.kmalloc_node(3stap),
123 probe::vm.kmem_cache_alloc_node(3stap), probe::vm.kfree(3stap),
124 probe::vm.kmem_cache_free(3stap), stap(1), stapprobes(3stap)
125
126
127
128SystemTap Tapset Reference June 2018 TAPSET::MEMORY(3stap)