tools/perf/tests/kmod-path.c

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