1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2021 Facebook */
3 #include <test_progs.h>
4 #include "timer.skel.h"
5 #include "timer_failure.skel.h"
6
timer(struct timer * timer_skel)7 static int timer(struct timer *timer_skel)
8 {
9 int err, prog_fd;
10 LIBBPF_OPTS(bpf_test_run_opts, topts);
11
12 err = timer__attach(timer_skel);
13 if (!ASSERT_OK(err, "timer_attach"))
14 return err;
15
16 ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1");
17 ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1");
18
19 prog_fd = bpf_program__fd(timer_skel->progs.test1);
20 err = bpf_prog_test_run_opts(prog_fd, &topts);
21 ASSERT_OK(err, "test_run");
22 ASSERT_EQ(topts.retval, 0, "test_run");
23 timer__detach(timer_skel);
24
25 usleep(50); /* 10 usecs should be enough, but give it extra */
26 /* check that timer_cb1() was executed 10+10 times */
27 ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2");
28 ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2");
29
30 /* check that timer_cb2() was executed twice */
31 ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data");
32
33 /* check that timer_cb3() was executed twice */
34 ASSERT_EQ(timer_skel->bss->abs_data, 12, "abs_data");
35
36 /* check that there were no errors in timer execution */
37 ASSERT_EQ(timer_skel->bss->err, 0, "err");
38
39 /* check that code paths completed */
40 ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok");
41
42 return 0;
43 }
44
45 /* TODO: use pid filtering */
serial_test_timer(void)46 void serial_test_timer(void)
47 {
48 struct timer *timer_skel = NULL;
49 int err;
50
51 timer_skel = timer__open_and_load();
52 if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
53 return;
54
55 err = timer(timer_skel);
56 ASSERT_OK(err, "timer");
57 timer__destroy(timer_skel);
58
59 RUN_TESTS(timer_failure);
60 }
61
