File: embedded-C.stp

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%{
#include <linux/sched.h>
#include <linux/list.h>
%}

function task_execname_by_pid:string (pid:long) %{
  struct task_struct *p;
  struct list_head *_p, *_n;
  list_for_each_safe(_p, _n, &current->tasks) {
    p = list_entry(_p, struct task_struct, tasks);
    if (p->pid == (int)STAP_ARG_pid) 
      snprintf(STAP_RETVALUE, MAXSTRINGLEN, "%s", p->comm);
  }
%}

probe begin
{
  printf("%s(%d)\n", task_execname_by_pid(target()), target())
  exit()
}