1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 Facebook */
3 
4 #include <test_progs.h>
5 
6 struct s {
7 	int a;
8 	long long b;
9 } __attribute__((packed));
10 
11 #include "test_skeleton.skel.h"
12 
13 void test_skeleton(void)
14 {
15 	int duration = 0, err;
16 	struct test_skeleton* skel;
17 	struct test_skeleton__bss *bss;
18 	struct test_skeleton__kconfig *kcfg;
19 
20 	skel = test_skeleton__open();
21 	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
22 		return;
23 
24 	if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
25 		goto cleanup;
26 
27 	err = test_skeleton__load(skel);
28 	if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
29 		goto cleanup;
30 
31 	bss = skel->bss;
32 	bss->in1 = 1;
33 	bss->in2 = 2;
34 	bss->in3 = 3;
35 	bss->in4 = 4;
36 	bss->in5.a = 5;
37 	bss->in5.b = 6;
38 	kcfg = skel->kconfig;
39 
40 	err = test_skeleton__attach(skel);
41 	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
42 		goto cleanup;
43 
44 	/* trigger tracepoint */
45 	usleep(1);
46 
47 	CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
48 	CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
49 	CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
50 	CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
51 	CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
52 	      bss->handler_out5.a, 5);
53 	CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
54 	      bss->handler_out5.b, 6);
55 
56 	CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
57 	      "got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
58 	CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2",
59 	      "got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION);
60 
61 cleanup:
62 	test_skeleton__destroy(skel);
63 }
64