Chapter 4. Memory Tapset

Table of Contents

vm_fault_contains - Test return value for page fault reason
vm.pagefault - Records that a page fault occurred.
vm.pagefault.return - Indicates what type of fault occurred.
addr_to_node - Returns which node a given address belongs to within a NUMA system.
vm.write_shared - Attempts at writing to a shared page.
vm.write_shared_copy - Page copy for shared page write.
vm.mmap - Fires when an <command>mmap</command> is requested.
vm.munmap - Fires when an <command>munmap</command> is requested.
vm.brk - Fires when a <command>brk</command> is requested (i.e. the heap will be resized).
vm.oom_kill - Fires when a thread is selected for termination by the OOM killer.

This family of probe points is used to probe memory-related events. It contains the following probe points: