Edit File: switchfile.stp
// File switching tapset // Copyright (C) 2015 Red Hat Inc. // // This file is part of systemtap, and is free software. You can // redistribute it and/or modify it under the terms of the GNU General // Public License (GPL); either version 2, or (at your option) any // later version. /** * sfunction switch_file - switch to the next output file * * Description: This function sends a signal to the stapio process, * commanding it to rotate to the next output file when output is * sent to file(s). */ function switch_file() { if (stp_pid() != 0) { system(sprintf("kill -USR2 %d", stp_pid())) } }