xref: /linux/tools/testing/selftests/bpf/prog_tests/tracing_struct.c (revision 55d0969c451159cff86949b38c39171cab962069)
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 #include "tracing_struct_many_args.skel.h"
7 
8 static void test_struct_args(void)
9 {
10 	struct tracing_struct *skel;
11 	int err;
12 
13 	skel = tracing_struct__open_and_load();
14 	if (!ASSERT_OK_PTR(skel, "tracing_struct__open_and_load"))
15 		return;
16 
17 	err = tracing_struct__attach(skel);
18 	if (!ASSERT_OK(err, "tracing_struct__attach"))
19 		goto destroy_skel;
20 
21 	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
22 
23 	ASSERT_EQ(skel->bss->t1_a_a, 2, "t1:a.a");
24 	ASSERT_EQ(skel->bss->t1_a_b, 3, "t1:a.b");
25 	ASSERT_EQ(skel->bss->t1_b, 1, "t1:b");
26 	ASSERT_EQ(skel->bss->t1_c, 4, "t1:c");
27 
28 	ASSERT_EQ(skel->bss->t1_nregs, 4, "t1 nregs");
29 	ASSERT_EQ(skel->bss->t1_reg0, 2, "t1 reg0");
30 	ASSERT_EQ(skel->bss->t1_reg1, 3, "t1 reg1");
31 	ASSERT_EQ(skel->bss->t1_reg2, 1, "t1 reg2");
32 	ASSERT_EQ(skel->bss->t1_reg3, 4, "t1 reg3");
33 	ASSERT_EQ(skel->bss->t1_ret, 10, "t1 ret");
34 
35 	ASSERT_EQ(skel->bss->t2_a, 1, "t2:a");
36 	ASSERT_EQ(skel->bss->t2_b_a, 2, "t2:b.a");
37 	ASSERT_EQ(skel->bss->t2_b_b, 3, "t2:b.b");
38 	ASSERT_EQ(skel->bss->t2_c, 4, "t2:c");
39 	ASSERT_EQ(skel->bss->t2_ret, 10, "t2 ret");
40 
41 	ASSERT_EQ(skel->bss->t3_a, 1, "t3:a");
42 	ASSERT_EQ(skel->bss->t3_b, 4, "t3:b");
43 	ASSERT_EQ(skel->bss->t3_c_a, 2, "t3:c.a");
44 	ASSERT_EQ(skel->bss->t3_c_b, 3, "t3:c.b");
45 	ASSERT_EQ(skel->bss->t3_ret, 10, "t3 ret");
46 
47 	ASSERT_EQ(skel->bss->t4_a_a, 10, "t4:a.a");
48 	ASSERT_EQ(skel->bss->t4_b, 1, "t4:b");
49 	ASSERT_EQ(skel->bss->t4_c, 2, "t4:c");
50 	ASSERT_EQ(skel->bss->t4_d, 3, "t4:d");
51 	ASSERT_EQ(skel->bss->t4_e_a, 2, "t4:e.a");
52 	ASSERT_EQ(skel->bss->t4_e_b, 3, "t4:e.b");
53 	ASSERT_EQ(skel->bss->t4_ret, 21, "t4 ret");
54 
55 	ASSERT_EQ(skel->bss->t5_ret, 1, "t5 ret");
56 
57 	ASSERT_EQ(skel->bss->t6, 1, "t6 ret");
58 
59 destroy_skel:
60 	tracing_struct__destroy(skel);
61 }
62 
63 static void test_struct_many_args(void)
64 {
65 	struct tracing_struct_many_args *skel;
66 	int err;
67 
68 	skel = tracing_struct_many_args__open_and_load();
69 	if (!ASSERT_OK_PTR(skel, "tracing_struct_many_args__open_and_load"))
70 		return;
71 
72 	err = tracing_struct_many_args__attach(skel);
73 	if (!ASSERT_OK(err, "tracing_struct_many_args__attach"))
74 		goto destroy_skel;
75 
76 	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
77 
78 	ASSERT_EQ(skel->bss->t7_a, 16, "t7:a");
79 	ASSERT_EQ(skel->bss->t7_b, 17, "t7:b");
80 	ASSERT_EQ(skel->bss->t7_c, 18, "t7:c");
81 	ASSERT_EQ(skel->bss->t7_d, 19, "t7:d");
82 	ASSERT_EQ(skel->bss->t7_e, 20, "t7:e");
83 	ASSERT_EQ(skel->bss->t7_f_a, 21, "t7:f.a");
84 	ASSERT_EQ(skel->bss->t7_f_b, 22, "t7:f.b");
85 	ASSERT_EQ(skel->bss->t7_ret, 133, "t7 ret");
86 
87 	ASSERT_EQ(skel->bss->t8_a, 16, "t8:a");
88 	ASSERT_EQ(skel->bss->t8_b, 17, "t8:b");
89 	ASSERT_EQ(skel->bss->t8_c, 18, "t8:c");
90 	ASSERT_EQ(skel->bss->t8_d, 19, "t8:d");
91 	ASSERT_EQ(skel->bss->t8_e, 20, "t8:e");
92 	ASSERT_EQ(skel->bss->t8_f_a, 21, "t8:f.a");
93 	ASSERT_EQ(skel->bss->t8_f_b, 22, "t8:f.b");
94 	ASSERT_EQ(skel->bss->t8_g, 23, "t8:g");
95 	ASSERT_EQ(skel->bss->t8_ret, 156, "t8 ret");
96 
97 	ASSERT_EQ(skel->bss->t9_a, 16, "t9:a");
98 	ASSERT_EQ(skel->bss->t9_b, 17, "t9:b");
99 	ASSERT_EQ(skel->bss->t9_c, 18, "t9:c");
100 	ASSERT_EQ(skel->bss->t9_d, 19, "t9:d");
101 	ASSERT_EQ(skel->bss->t9_e, 20, "t9:e");
102 	ASSERT_EQ(skel->bss->t9_f, 21, "t9:f");
103 	ASSERT_EQ(skel->bss->t9_g, 22, "t9:f");
104 	ASSERT_EQ(skel->bss->t9_h_a, 23, "t9:h.a");
105 	ASSERT_EQ(skel->bss->t9_h_b, 24, "t9:h.b");
106 	ASSERT_EQ(skel->bss->t9_h_c, 25, "t9:h.c");
107 	ASSERT_EQ(skel->bss->t9_h_d, 26, "t9:h.d");
108 	ASSERT_EQ(skel->bss->t9_i, 27, "t9:i");
109 	ASSERT_EQ(skel->bss->t9_ret, 258, "t9 ret");
110 
111 destroy_skel:
112 	tracing_struct_many_args__destroy(skel);
113 }
114 
115 void test_tracing_struct(void)
116 {
117 	if (test__start_subtest("struct_args"))
118 		test_struct_args();
119 	if (test__start_subtest("struct_many_args"))
120 		test_struct_many_args();
121 }
122