kmod-path.c 6.4 KB

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