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TAPSET::MEMORY(3stap) TAPSET::MEMORY(3stap)

NAME

tapset::memory - systemtap memory tapset

DESCRIPTION


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

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

See probe::vm.pagefault(3stap)
for details.
Indicates what type of fault occurred

See probe::vm.pagefault.return(3stap)
for details.
Returns which node a given address belongs to within a NUMA system
See function::addr_to_node(3stap)
for details.
Attempts at writing to a shared page

See probe::vm.write_shared(3stap)
for details.
Page copy for shared page write

See probe::vm.write_shared_copy(3stap)
for details.
Fires when an mmap is requested

See probe::vm.mmap(3stap)
for details.
Fires when an munmap is requested

See probe::vm.munmap(3stap)
for details.
Fires when a brk is requested (i.e. the heap will be resized)

See probe::vm.brk(3stap)
for details.
Fires when a thread is selected for termination by the OOM killer

See probe::vm.oom_kill(3stap)
for details.
Fires when kmalloc is requested

See probe::vm.kmalloc(3stap)
for details.
Fires when kmem_cache_alloc is requested

See probe::vm.kmem_cache_alloc(3stap)
for details.
Fires when kmalloc_node is requested

See probe::vm.kmalloc_node(3stap)
for details.
Fires when kmem_cache_alloc_node is requested

See probe::vm.kmem_cache_alloc_node(3stap)
for details.
Fires when kfree is requested

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

November 2021 SystemTap Tapset Reference