1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
probe begin
{
curr = task_current()
// Compare PIDs
pid = pid()
cast_pid = @cast(curr, "task_struct", "kernel")->tgid
if (pid == cast_pid)
println("PID OK")
else
printf("PID %d != %d\n", pid, cast_pid)
// Compare PIDs using a generated kernel module
cast_pid = @cast(curr, "task_struct", "kernel<linux/sched.h>")->tgid
if (pid == cast_pid)
println("PID2 OK")
else
printf("PID2 %d != %d\n", pid, cast_pid)
// Compare PIDs with an array access (PR11556)
cast_pid = @cast(curr, "task_struct", "kernel")[0]->tgid
if (pid == cast_pid)
println("PID3 OK")
else
printf("PID3 %d != %d\n", pid, cast_pid)
// Compare execnames
name = execname()
cast_name = kernel_string(@cast(curr, "task_struct", "kernel")->comm)
if (name == cast_name)
println("execname OK")
else
printf("execname \"%s\" != \"%s\"\n", name, cast_name)
// Compare usage counter values through a struct address
usage = @cast(curr, "task_struct", "kernel")->usage->counter
pusage = & @cast(curr, "task_struct", "kernel")->usage
cast_usage = @cast(pusage, "atomic_t", "kernel")->counter
if (usage == cast_usage)
println("usage OK")
else
printf("usage %d != %d\n", usage, cast_usage)
exit()
}
|
