FUNCTION::FTRACE(3stap) Logging Tapset FUNCTION::FTRACE(3stap)

NAME 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 ALSO tapset::logging(3stap)

SystemTap Tapset Reference December 2016 FUNCTION::FTRACE(3stap)