diff options
Diffstat (limited to 'doc/tutorial/embedded-C.stp')
| -rw-r--r-- | doc/tutorial/embedded-C.stp | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/doc/tutorial/embedded-C.stp b/doc/tutorial/embedded-C.stp index 6834d728..a03ece59 100644 --- a/doc/tutorial/embedded-C.stp +++ b/doc/tutorial/embedded-C.stp @@ -1,25 +1,20 @@ %{ -#include <linux/utsname.h> +#include <linux/sched.h> +#include <linux/list.h> %} -function utsname:string (field:long) -%{ - if (down_read_trylock (& uts_sem)) - { - const char *f = - (THIS->field == 0 ? system_utsname.sysname : - THIS->field == 1 ? system_utsname.nodename : - THIS->field == 2 ? system_utsname.release : - THIS->field == 3 ? system_utsname.version : - THIS->field == 4 ? system_utsname.machine : - THIS->field == 5 ? system_utsname.domainname : ""); - strlcpy (THIS->__retvalue, f, MAXSTRINGLEN); - up_read (& uts_sem); - } +function task_execname_by_pid:string (pid:long) %{ + struct task_struct *p; + struct list_head *_p, *_n; + list_for_each_safe(_p, _n, ¤t->tasks) { + p = list_entry(_p, struct task_struct, tasks); + if (p->pid == (int)THIS->pid) + snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s", p->comm); + } %} probe begin { - printf ("%s %s\n", utsname(0), utsname(2)) - exit () + printf("%s(%d)\n", task_execname_by_pid(target()), target()) + exit() } |