function::kernel_string.3stap man page

function::kernel_string — Retrieves string from kernel memory

Synopsis

1) kernel_string:string(addr:long)
2) kernel_string:string(addr:long,err_msg:string)

Arguments

addr

The kernel address to retrieve the string from

err_msg

The error message to return when data isn't available

Description

1) This function returns the null terminated C string from a given kernel memory address. Reports an error on string copy fault.

2) This function returns the null terminated C string from a given kernel memory address. Reports the given error message on string copy fault.

See Also0

tapset::conversions(3stap)

Info

March 2016 SystemTap Tapset Reference String and data retrieving fun