TAPSET::MEMORY

Section: Misc. Reference Manual Pages (3stap)
Updated: November 2020
Page Index
 

NAME

tapset::memory - systemtap memory tapset
   

DESCRIPTION


 This family of probe points is used to probe memory-related events. 

vm_fault_contains
Test return value for page fault reason
See function::vm_fault_contains(3stap)
 for details.

vm.pagefault
Records that a page fault occurred

 See  probe::vm.pagefault(3stap)
 for details.

vm.pagefault.return
Indicates what type of fault occurred

 See  probe::vm.pagefault.return(3stap)
 for details.

addr_to_node
Returns which node a given address belongs to within a NUMA system
See function::addr_to_node(3stap)
 for details.

vm.write_shared
Attempts at writing to a shared page

 See  probe::vm.write_shared(3stap)
 for details.

vm.write_shared_copy
Page copy for shared page write

 See  probe::vm.write_shared_copy(3stap)
 for details.

vm.mmap
Fires when an mmap is requested

 See  probe::vm.mmap(3stap)
 for details.

vm.munmap
Fires when an munmap is requested

 See  probe::vm.munmap(3stap)
 for details.

vm.brk
Fires when a brk is requested (i.e. the heap will be resized)

 See  probe::vm.brk(3stap)
 for details.

vm.oom_kill
Fires when a thread is selected for termination by the OOM killer

 See  probe::vm.oom_kill(3stap)
 for details.

vm.kmalloc
Fires when kmalloc is requested

 See  probe::vm.kmalloc(3stap)
 for details.

vm.kmem_cache_alloc
Fires when kmem_cache_alloc is requested

 See  probe::vm.kmem_cache_alloc(3stap)
 for details.

vm.kmalloc_node
Fires when kmalloc_node is requested

 See  probe::vm.kmalloc_node(3stap)
 for details.

vm.kmem_cache_alloc_node
Fires when kmem_cache_alloc_node is requested

 See  probe::vm.kmem_cache_alloc_node(3stap)
 for details.

vm.kfree
Fires when kfree is requested

 See  probe::vm.kfree(3stap)
 for details.

vm.kmem_cache_free
Fires when kmem_cache_free is requested

 See  probe::vm.kmem_cache_free(3stap)
 for details.

 

SEE ALSO

function::vm_fault_contains(3stap), function::addr_to_node(3stap), probe::vm.pagefault(3stap), probe::vm.pagefault.return(3stap), probe::vm.write_shared(3stap), probe::vm.write_shared_copy(3stap), probe::vm.mmap(3stap), probe::vm.munmap(3stap), probe::vm.brk(3stap), probe::vm.oom_kill(3stap), probe::vm.kmalloc(3stap), probe::vm.kmem_cache_alloc(3stap), probe::vm.kmalloc_node(3stap), probe::vm.kmem_cache_alloc_node(3stap), probe::vm.kfree(3stap), probe::vm.kmem_cache_free(3stap), stap(1), stapprobes(3stap)


 

Index

NAME
DESCRIPTION
SEE ALSO