tools/perf/tests/kmod-path.c

   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
  10 static 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
  35 static 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
  50 int test__kmod_path__parse(struct test *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 }