xref: /linux/tools/testing/selftests/bpf/prog_tests/tracing_struct.c (revision 60b07cf5d3462ec0183d463b43619e98bc63c951)
1  // SPDX-License-Identifier: GPL-2.0
2  /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
3  
4  #include <test_progs.h>
5  #include "tracing_struct.skel.h"
6  
7  static void test_fentry(void)
8  {
9  	struct tracing_struct *skel;
10  	int err;
11  
12  	skel = tracing_struct__open_and_load();
13  	if (!ASSERT_OK_PTR(skel, "tracing_struct__open_and_load"))
14  		return;
15  
16  	err = tracing_struct__attach(skel);
17  	if (!ASSERT_OK(err, "tracing_struct__attach"))
18  		goto destroy_skel;
19  
20  	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
21  
22  	ASSERT_EQ(skel->bss->t1_a_a, 2, "t1:a.a");
23  	ASSERT_EQ(skel->bss->t1_a_b, 3, "t1:a.b");
24  	ASSERT_EQ(skel->bss->t1_b, 1, "t1:b");
25  	ASSERT_EQ(skel->bss->t1_c, 4, "t1:c");
26  
27  	ASSERT_EQ(skel->bss->t1_nregs, 4, "t1 nregs");
28  	ASSERT_EQ(skel->bss->t1_reg0, 2, "t1 reg0");
29  	ASSERT_EQ(skel->bss->t1_reg1, 3, "t1 reg1");
30  	ASSERT_EQ(skel->bss->t1_reg2, 1, "t1 reg2");
31  	ASSERT_EQ(skel->bss->t1_reg3, 4, "t1 reg3");
32  	ASSERT_EQ(skel->bss->t1_ret, 10, "t1 ret");
33  
34  	ASSERT_EQ(skel->bss->t2_a, 1, "t2:a");
35  	ASSERT_EQ(skel->bss->t2_b_a, 2, "t2:b.a");
36  	ASSERT_EQ(skel->bss->t2_b_b, 3, "t2:b.b");
37  	ASSERT_EQ(skel->bss->t2_c, 4, "t2:c");
38  	ASSERT_EQ(skel->bss->t2_ret, 10, "t2 ret");
39  
40  	ASSERT_EQ(skel->bss->t3_a, 1, "t3:a");
41  	ASSERT_EQ(skel->bss->t3_b, 4, "t3:b");
42  	ASSERT_EQ(skel->bss->t3_c_a, 2, "t3:c.a");
43  	ASSERT_EQ(skel->bss->t3_c_b, 3, "t3:c.b");
44  	ASSERT_EQ(skel->bss->t3_ret, 10, "t3 ret");
45  
46  	ASSERT_EQ(skel->bss->t4_a_a, 10, "t4:a.a");
47  	ASSERT_EQ(skel->bss->t4_b, 1, "t4:b");
48  	ASSERT_EQ(skel->bss->t4_c, 2, "t4:c");
49  	ASSERT_EQ(skel->bss->t4_d, 3, "t4:d");
50  	ASSERT_EQ(skel->bss->t4_e_a, 2, "t4:e.a");
51  	ASSERT_EQ(skel->bss->t4_e_b, 3, "t4:e.b");
52  	ASSERT_EQ(skel->bss->t4_ret, 21, "t4 ret");
53  
54  	ASSERT_EQ(skel->bss->t5_ret, 1, "t5 ret");
55  
56  	tracing_struct__detach(skel);
57  destroy_skel:
58  	tracing_struct__destroy(skel);
59  }
60  
61  void test_tracing_struct(void)
62  {
63  	test_fentry();
64  }
65