probe::vm.write_shared_copy(3stap) — Chainguard OS Manuals

PROBE::VM.WRITE_SH(3stap)

Memory Tapset

PROBE::VM.WRITE_SH(3stap)

NAME

probe::vm.write_shared_copy - Page copy for shared page write

probe vm.write_shared_copy {}

address

The address of the shared write

zero

boolean indicating whether it is a zero page (can do a clear instead of a copy)

name

Name of the probe point

The process attempting the write.

Fires when a write to a shared page requires a page copy. This is always preceded by a vm.write_shared.