'\" t .\" Title: function::ftrace .\" Author: .\" Generator: DocBook XSL Stylesheets vsnapshot .\" Date: May 2021 .\" Manual: Logging Tapset .\" Source: SystemTap Tapset Reference .\" Language: English .\" .TH "FUNCTION::FTRACE" "3stap" "May 2021" "SystemTap Tapset Reference" "Logging Tapset" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" function::ftrace \- Send a message to the ftrace ring\-buffer .SH "SYNOPSIS" .sp .nf ftrace(msg:string) .fi .SH "ARGUMENTS" .PP \fImsg\fR .RS 4 The formatted message string .RE .SH "DESCRIPTION" .PP 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\&. .SH SEE ALSO\n .IR tapset::logging (3stap)