table of contents
| FUNCTION::KERNEL_BUF(3stap) | String and data retrieving fun | FUNCTION::KERNEL_BUF(3stap) |
NAME¶
function::kernel_buffer_quoted_error - Retrieves and quotes buffer from kernel space
SYNOPSIS¶
kernel_buffer_quoted_error:string(addr:long,inlen:long,outlen:long)
ARGUMENTS¶
addr
the kernel space address to retrieve the buffer
from
inlen
the exact length of the buffer to read
outlen
the maximum length of the output string
DESCRIPTION¶
Reads inlen characters of a buffer from the given kernel space memory address, and returns up to outlen characters, where any ASCII characters that are not printable are replaced by the corresponding escape sequence in the returned string. Note that the string will be surrounded by double quotes. On the rare cases when kernel space data is not accessible at the given address, an error is thrown.
SEE ALSO0¶
tapset::conversions(3stap)
| October 2018 | SystemTap Tapset Reference |