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