Edit File: pstrace.stp
/* * kernel pstrace tapset * Copyright (C) 2012 Red Hat Corporation. * * 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 pstrace - Chain of processes and pids back to init(1) * @task: Pointer to task struct of process * * This function returns a string listing execname and pid for each * process starting from @task back to the process ancestor * that init(1) spawned. */ function pstrace:string(task:long) { while (task_pid(task) > 1) { trace = sprintf("%s %s(%d)", trace, task_execname(task), task_pid(task)); task = task_parent(task); } return trace; }