1TAPSET::MEMORY(3stap)                                    TAPSET::MEMORY(3stap)
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NAME

6       tapset::memory - systemtap memory tapset
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DESCRIPTION

10        This family of probe points is used to probe memory-related events.
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14       vm_fault_contains
15              Test return value for page fault reason
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17              See function::vm_fault_contains(3stap)
18               for details.
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20       vm.pagefault
21              Records that a page fault occurred
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23               See probe::vm.pagefault(3stap)
24               for details.
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26       vm.pagefault.return
27              Indicates what type of fault occurred
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29               See probe::vm.pagefault.return(3stap)
30               for details.
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32       addr_to_node
33              Returns which node a given address belongs to within a NUMA sys‐
34              tem
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36              See function::addr_to_node(3stap)
37               for details.
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39       vm.write_shared
40              Attempts at writing to a shared page
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42               See probe::vm.write_shared(3stap)
43               for details.
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45       vm.write_shared_copy
46              Page copy for shared page write
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48               See probe::vm.write_shared_copy(3stap)
49               for details.
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51       vm.mmap
52              Fires when an mmap is requested
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54               See probe::vm.mmap(3stap)
55               for details.
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57       vm.munmap
58              Fires when an munmap is requested
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60               See probe::vm.munmap(3stap)
61               for details.
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63       vm.brk Fires when a brk is requested (i.e. the heap will be resized)
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65               See probe::vm.brk(3stap)
66               for details.
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68       vm.oom_kill
69              Fires when a thread is  selected  for  termination  by  the  OOM
70              killer
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72               See probe::vm.oom_kill(3stap)
73               for details.
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75       vm.kmalloc
76              Fires when kmalloc is requested
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78               See probe::vm.kmalloc(3stap)
79               for details.
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81       vm.kmem_cache_alloc
82              Fires when kmem_cache_alloc is requested
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84               See probe::vm.kmem_cache_alloc(3stap)
85               for details.
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87       vm.kmalloc_node
88              Fires when kmalloc_node is requested
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90               See probe::vm.kmalloc_node(3stap)
91               for details.
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93       vm.kmem_cache_alloc_node
94              Fires when kmem_cache_alloc_node is requested
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96               See probe::vm.kmem_cache_alloc_node(3stap)
97               for details.
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99       vm.kfree
100              Fires when kfree is requested
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102               See probe::vm.kfree(3stap)
103               for details.
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105       vm.kmem_cache_free
106              Fires when kmem_cache_free is requested
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108               See probe::vm.kmem_cache_free(3stap)
109               for details.
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SEE ALSO

113         function::vm_fault_contains(3stap),   function::addr_to_node(3stap),
114       probe::vm.pagefault(3stap),      probe::vm.pagefault.return(3stap),
115       probe::vm.write_shared(3stap),    probe::vm.write_shared_copy(3stap),
116       probe::vm.mmap(3stap),  probe::vm.munmap(3stap),  probe::vm.brk(3stap),
117            probe::vm.oom_kill(3stap),          probe::vm.kmalloc(3stap),
118       probe::vm.kmem_cache_alloc(3stap),    probe::vm.kmalloc_node(3stap),
119       probe::vm.kmem_cache_alloc_node(3stap),      probe::vm.kfree(3stap),
120       probe::vm.kmem_cache_free(3stap),  stap(1), stapprobes(3stap)
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124SystemTap Tapset Reference         May 2022              TAPSET::MEMORY(3stap)