1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2021 Facebook */
3 #include <test_progs.h>
4 #include "timer.skel.h"
5
timer(struct timer * timer_skel)6 static int timer(struct timer *timer_skel)
7 {
8 int err, prog_fd;
9 __u32 duration = 0, retval;
10
11 err = timer__attach(timer_skel);
12 if (!ASSERT_OK(err, "timer_attach"))
13 return err;
14
15 ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1");
16 ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1");
17
18 prog_fd = bpf_program__fd(timer_skel->progs.test1);
19 err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
20 NULL, NULL, &retval, &duration);
21 ASSERT_OK(err, "test_run");
22 ASSERT_EQ(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 there were no errors in timer execution */
34 ASSERT_EQ(timer_skel->bss->err, 0, "err");
35
36 /* check that code paths completed */
37 ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok");
38
39 return 0;
40 }
41
42 /* TODO: use pid filtering */
serial_test_timer(void)43 void serial_test_timer(void)
44 {
45 struct timer *timer_skel = NULL;
46 int err;
47
48 timer_skel = timer__open_and_load();
49 if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
50 goto cleanup;
51
52 err = timer(timer_skel);
53 ASSERT_OK(err, "timer");
54 cleanup:
55 timer__destroy(timer_skel);
56 }
57