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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 ALSO0

tapset::logging(3stap)
November 2020 SystemTap Tapset Reference