1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2021 Facebook */
 3#include <test_progs.h>
 4#include "timer.skel.h"
 5
 6static 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 */
42void 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");
53cleanup:
54	timer__destroy(timer_skel);
55}