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 LIBBPF_OPTS(bpf_test_run_opts, topts);
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_opts(prog_fd, &topts);
20 ASSERT_OK(err, "test_run");
21 ASSERT_EQ(topts.retval, 0, "test_run");
22 timer__detach(timer_skel);
23
24 usleep(50); /* 10 usecs should be enough, but give it extra */
25 /* check that timer_cb1() was executed 10+10 times */
26 ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2");
27 ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2");
28
29 /* check that timer_cb2() was executed twice */
30 ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data");
31
32 /* check that there were no errors in timer execution */
33 ASSERT_EQ(timer_skel->bss->err, 0, "err");
34
35 /* check that code paths completed */
36 ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok");
37
38 return 0;
39 }
40
41 /* TODO: use pid filtering */
serial_test_timer(void)42 void serial_test_timer(void)
43 {
44 struct timer *timer_skel = NULL;
45 int err;
46
47 timer_skel = timer__open_and_load();
48 if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
49 goto cleanup;
50
51 err = timer(timer_skel);
52 ASSERT_OK(err, "timer");
53 cleanup:
54 timer__destroy(timer_skel);
55 }
56