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

NAME

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

SYNOPSIS

vm.write_shared_copy

VALUES

name
Name of the probe point
zero
boolean indicating whether it is a zero page (can do a clear instead of a copy)
address
The address of the shared write

CONTEXT

The process attempting the write.

DESCRIPTION

Fires when a write to a shared page requires a page copy. This is always preceded by a vm.write_shared.
November 2014 SystemTap Tapset Reference