PROBE::VM.WRITE_SH(3stap) Memory Tapset PROBE::VM.WRITE_SH(3stap)

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

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.

tapset::memory(3stap)

November 2023 SystemTap Tapset Reference