DOKK / manpages / debian 10 / systemtap-doc / function::log.3stap.en
FUNCTION::LOG(3stap) Logging Tapset FUNCTION::LOG(3stap)

function::log - Send a line to the common trace buffer


log(msg:string)

msg

The formatted message string

This function logs data. log sends the message immediately to staprun and to the bulk transport (relayfs) if it is being used. If the last character given is not a newline, then one is added. This function is not as efficient as printf and should be used only for urgent messages.

tapset::logging(3stap)

October 2018 SystemTap Tapset Reference