function::ftrace.3stap man page

function::ftrace — Send a message to the ftrace ring-buffer

Synopsis

ftrace(msg:string)

Arguments

msg

The formatted message string

Description

If the ftrace ring-buffer is configured & available, see /debugfs/tracing/trace for the message. Otherwise, the message may be quietly dropped. An implicit end-of-line is added.

See Also0

tapset::logging(3stap)

Info

March 2016 SystemTap Tapset Reference Logging Tapset