linux/tools/perf/tests/kmod-path.c
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   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
   8static 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
  33static 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
  48int 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}
 160