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