Memory Tapset; Vm_Fault_Contains; Vm.pagefault.return - Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP TAPSET Reference Manual

Chapter 5.

Memory Tapset

This family of probe points is used to probe memory-related events. It contains the following probe
points:
Name
vm_fault_contains — Test return value for page fault reason
Synopsis
function vm_fault_contains:long(value:long,test:long)
Arguments
value
The fault_type returned by vm.page_fault.return
test
The type of fault to test for (VM_FAULT_OOM or similar)
Name
vm.pagefault — Records that a page fault occurred.
Synopsis
vm.pagefault
Values
write_access
Indicates whether this was a write or read access; 1 indicates a write, while 0 indicates a read.
address
The address of the faulting memory access; i.e. the address that caused the page fault.
Context
The process which triggered the fault
Name
vm.pagefault.return — Indicates what type of fault occurred.
23