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 
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 	ASSERT_EQ(timer_skel->bss->pinned_callback_check, 0, "pinned_callback_check1");
19 
20 	prog_fd = bpf_program__fd(timer_skel->progs.test1);
21 	err = bpf_prog_test_run_opts(prog_fd, &topts);
22 	ASSERT_OK(err, "test_run");
23 	ASSERT_EQ(topts.retval, 0, "test_run");
24 	timer__detach(timer_skel);
25 
26 	usleep(50); /* 10 usecs should be enough, but give it extra */
27 	/* check that timer_cb1() was executed 10+10 times */
28 	ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2");
29 	ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2");
30 
31 	/* check that timer_cb2() was executed twice */
32 	ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data");
33 
34 	/* check that timer_cb3() was executed twice */
35 	ASSERT_EQ(timer_skel->bss->abs_data, 12, "abs_data");
36 
37 	/* check that timer_cb_pinned() was executed twice */
38 	ASSERT_EQ(timer_skel->bss->pinned_callback_check, 2, "pinned_callback_check");
39 
40 	/* check that there were no errors in timer execution */
41 	ASSERT_EQ(timer_skel->bss->err, 0, "err");
42 
43 	/* check that code paths completed */
44 	ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok");
45 
46 	return 0;
47 }
48 
49 /* TODO: use pid filtering */
50 void serial_test_timer(void)
51 {
52 	struct timer *timer_skel = NULL;
53 	int err;
54 
55 	timer_skel = timer__open_and_load();
56 	if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
57 		return;
58 
59 	err = timer(timer_skel);
60 	ASSERT_OK(err, "timer");
61 	timer__destroy(timer_skel);
62 
63 	RUN_TESTS(timer_failure);
64 }
65