1// SPDX-License-Identifier: GPL-2.0
2#include <stdbool.h>
3#include <stdlib.h>
4#include <string.h>
5#include "tests.h"
6#include "dso.h"
7#include "debug.h"
8#include "event.h"
9
10static int test(const char *path, bool alloc_name, bool kmod,
11		int comp, const char *name)
12{
13	struct kmod_path m;
14
15	memset(&m, 0x0, sizeof(m));
16
17	TEST_ASSERT_VAL("kmod_path__parse",
18			!__kmod_path__parse(&m, path, alloc_name));
19
20	pr_debug("%s - alloc name %d, kmod %d, comp %d, name '%s'\n",
21		 path, alloc_name, m.kmod, m.comp, m.name);
22
23	TEST_ASSERT_VAL("wrong kmod", m.kmod == kmod);
24	TEST_ASSERT_VAL("wrong comp", m.comp == comp);
25
26	if (name)
27		TEST_ASSERT_VAL("wrong name", m.name && !strcmp(name, m.name));
28	else
29		TEST_ASSERT_VAL("wrong name", !m.name);
30
31	free(m.name);
32	return 0;
33}
34
35static int test_is_kernel_module(const char *path, int cpumode, bool expect)
36{
37	TEST_ASSERT_VAL("is_kernel_module",
38			(!!is_kernel_module(path, cpumode)) == (!!expect));
39	pr_debug("%s (cpumode: %d) - is_kernel_module: %s\n",
40			path, cpumode, expect ? "true" : "false");
41	return 0;
42}
43
44#define T(path, an, k, c, n) \
45	TEST_ASSERT_VAL("failed", !test(path, an, k, c, n))
46
47#define M(path, c, e) \
48	TEST_ASSERT_VAL("failed", !test_is_kernel_module(path, c, e))
49
50static int test__kmod_path__parse(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
51{
52	/* path                alloc_name  kmod  comp   name   */
53	T("/xxxx/xxxx/x-x.ko", true      , true, 0    , "[x_x]");
54	T("/xxxx/xxxx/x-x.ko", false     , true, 0    , NULL   );
55	T("/xxxx/xxxx/x-x.ko", true      , true, 0    , "[x_x]");
56	T("/xxxx/xxxx/x-x.ko", false     , true, 0    , NULL   );
57	M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
58	M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_KERNEL, true);
59	M("/xxxx/xxxx/x-x.ko", PERF_RECORD_MISC_USER, false);
60
61#ifdef HAVE_ZLIB_SUPPORT
62	/* path                alloc_name   kmod  comp  name  */
63	T("/xxxx/xxxx/x.ko.gz", true     , true, 1   , "[x]");
64	T("/xxxx/xxxx/x.ko.gz", false    , true, 1   , NULL );
65	T("/xxxx/xxxx/x.ko.gz", true     , true, 1   , "[x]");
66	T("/xxxx/xxxx/x.ko.gz", false    , true, 1   , NULL );
67	M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
68	M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
69	M("/xxxx/xxxx/x.ko.gz", PERF_RECORD_MISC_USER, false);
70
71	/* path              alloc_name  kmod   comp  name  */
72	T("/xxxx/xxxx/x.gz", true      , false, 1   , "x.gz");
73	T("/xxxx/xxxx/x.gz", false     , false, 1   , NULL  );
74	T("/xxxx/xxxx/x.gz", true      , false, 1   , "x.gz");
75	T("/xxxx/xxxx/x.gz", false     , false, 1   , NULL  );
76	M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
77	M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_KERNEL, false);
78	M("/xxxx/xxxx/x.gz", PERF_RECORD_MISC_USER, false);
79
80	/* path   alloc_name  kmod   comp  name   */
81	T("x.gz", true      , false, 1   , "x.gz");
82	T("x.gz", false     , false, 1   , NULL  );
83	T("x.gz", true      , false, 1   , "x.gz");
84	T("x.gz", false     , false, 1   , NULL  );
85	M("x.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
86	M("x.gz", PERF_RECORD_MISC_KERNEL, false);
87	M("x.gz", PERF_RECORD_MISC_USER, false);
88
89	/* path      alloc_name  kmod  comp  name  */
90	T("x.ko.gz", true      , true, 1   , "[x]");
91	T("x.ko.gz", false     , true, 1   , NULL );
92	T("x.ko.gz", true      , true, 1   , "[x]");
93	T("x.ko.gz", false     , true, 1   , NULL );
94	M("x.ko.gz", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
95	M("x.ko.gz", PERF_RECORD_MISC_KERNEL, true);
96	M("x.ko.gz", PERF_RECORD_MISC_USER, false);
97#endif
98
99	/* path            alloc_name  kmod  comp   name           */
100	T("[test_module]", true      , true, false, "[test_module]");
101	T("[test_module]", false     , true, false, NULL           );
102	T("[test_module]", true      , true, false, "[test_module]");
103	T("[test_module]", false     , true, false, NULL           );
104	M("[test_module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
105	M("[test_module]", PERF_RECORD_MISC_KERNEL, true);
106	M("[test_module]", PERF_RECORD_MISC_USER, false);
107
108	/* path            alloc_name  kmod  comp   name           */
109	T("[test.module]", true      , true, false, "[test.module]");
110	T("[test.module]", false     , true, false, NULL           );
111	T("[test.module]", true      , true, false, "[test.module]");
112	T("[test.module]", false     , true, false, NULL           );
113	M("[test.module]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, true);
114	M("[test.module]", PERF_RECORD_MISC_KERNEL, true);
115	M("[test.module]", PERF_RECORD_MISC_USER, false);
116
117	/* path     alloc_name  kmod   comp   name    */
118	T("[vdso]", true      , false, false, "[vdso]");
119	T("[vdso]", false     , false, false, NULL    );
120	T("[vdso]", true      , false, false, "[vdso]");
121	T("[vdso]", false     , false, false, NULL    );
122	M("[vdso]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
123	M("[vdso]", PERF_RECORD_MISC_KERNEL, false);
124	M("[vdso]", PERF_RECORD_MISC_USER, false);
125
126	T("[vdso32]", true      , false, false, "[vdso32]");
127	T("[vdso32]", false     , false, false, NULL      );
128	T("[vdso32]", true      , false, false, "[vdso32]");
129	T("[vdso32]", false     , false, false, NULL      );
130	M("[vdso32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
131	M("[vdso32]", PERF_RECORD_MISC_KERNEL, false);
132	M("[vdso32]", PERF_RECORD_MISC_USER, false);
133
134	T("[vdsox32]", true      , false, false, "[vdsox32]");
135	T("[vdsox32]", false     , false, false, NULL       );
136	T("[vdsox32]", true      , false, false, "[vdsox32]");
137	T("[vdsox32]", false     , false, false, NULL       );
138	M("[vdsox32]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
139	M("[vdsox32]", PERF_RECORD_MISC_KERNEL, false);
140	M("[vdsox32]", PERF_RECORD_MISC_USER, false);
141
142	/* path         alloc_name  kmod   comp   name        */
143	T("[vsyscall]", true      , false, false, "[vsyscall]");
144	T("[vsyscall]", false     , false, false, NULL        );
145	T("[vsyscall]", true      , false, false, "[vsyscall]");
146	T("[vsyscall]", false     , false, false, NULL        );
147	M("[vsyscall]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
148	M("[vsyscall]", PERF_RECORD_MISC_KERNEL, false);
149	M("[vsyscall]", PERF_RECORD_MISC_USER, false);
150
151	/* path                alloc_name  kmod   comp   name      */
152	T("[kernel.kallsyms]", true      , false, false, "[kernel.kallsyms]");
153	T("[kernel.kallsyms]", false     , false, false, NULL               );
154	T("[kernel.kallsyms]", true      , false, false, "[kernel.kallsyms]");
155	T("[kernel.kallsyms]", false     , false, false, NULL               );
156	M("[kernel.kallsyms]", PERF_RECORD_MISC_CPUMODE_UNKNOWN, false);
157	M("[kernel.kallsyms]", PERF_RECORD_MISC_KERNEL, false);
158	M("[kernel.kallsyms]", PERF_RECORD_MISC_USER, false);
159
160	return 0;
161}
162
163DEFINE_SUITE("kmod_path__parse", kmod_path__parse);
164