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
7static 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 */
46void 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