LCOV - code coverage report
Current view: top level - app/test - test_threads.c (source / functions) Hit Total Coverage
Test: Code coverage Lines: 85 88 96.6 %
Date: 2024-01-22 16:13:49 Functions: 11 11 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 60 102 58.8 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: BSD-3-Clause
       2                 :            :  * Copyright (C) 2022 Microsoft Corporation
       3                 :            :  */
       4                 :            : 
       5                 :            : #include <string.h>
       6                 :            : 
       7                 :            : #include <rte_thread.h>
       8                 :            : #include <rte_debug.h>
       9                 :            : 
      10                 :            : #include "test.h"
      11                 :            : 
      12         [ -  + ]:        235 : RTE_LOG_REGISTER(threads_logtype_test, test.threads, INFO);
      13                 :            : 
      14                 :            : static uint32_t thread_id_ready;
      15                 :            : 
      16                 :            : static uint32_t
      17                 :          7 : thread_main(void *arg)
      18                 :            : {
      19         [ +  + ]:          7 :         if (arg != NULL)
      20                 :          3 :                 *(rte_thread_t *)arg = rte_thread_self();
      21                 :            : 
      22                 :          7 :         __atomic_store_n(&thread_id_ready, 1, __ATOMIC_RELEASE);
      23                 :            : 
      24         [ +  + ]:   74335180 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 1)
      25                 :            :                 ;
      26                 :            : 
      27                 :          7 :         return 0;
      28                 :            : }
      29                 :            : 
      30                 :            : static int
      31                 :          1 : test_thread_create_join(void)
      32                 :            : {
      33                 :            :         rte_thread_t thread_id;
      34                 :            :         rte_thread_t thread_main_id;
      35                 :            : 
      36                 :          1 :         thread_id_ready = 0;
      37         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, &thread_main_id) == 0,
      38                 :            :                 "Failed to create thread.");
      39                 :            : 
      40         [ +  + ]:    6146180 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
      41                 :            :                 ;
      42                 :            : 
      43         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
      44                 :            :                 "Unexpected thread id.");
      45                 :            : 
      46                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
      47                 :            : 
      48         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_join(thread_id, NULL) == 0,
      49                 :            :                 "Failed to join thread.");
      50                 :            : 
      51                 :            :         return 0;
      52                 :            : }
      53                 :            : 
      54                 :            : static int
      55                 :          1 : test_thread_create_detach(void)
      56                 :            : {
      57                 :            :         rte_thread_t thread_id;
      58                 :            :         rte_thread_t thread_main_id;
      59                 :            : 
      60                 :          1 :         thread_id_ready = 0;
      61         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main,
      62                 :            :                 &thread_main_id) == 0, "Failed to create thread.");
      63                 :            : 
      64         [ +  + ]:   11595826 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
      65                 :            :                 ;
      66                 :            : 
      67         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
      68                 :            :                 "Unexpected thread id.");
      69                 :            : 
      70                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
      71                 :            : 
      72         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_detach(thread_id) == 0,
      73                 :            :                 "Failed to detach thread.");
      74                 :            : 
      75                 :            :         return 0;
      76                 :            : }
      77                 :            : 
      78                 :            : static int
      79                 :          1 : test_thread_priority(void)
      80                 :            : {
      81                 :            :         rte_thread_t thread_id;
      82                 :            :         enum rte_thread_priority priority;
      83                 :            : 
      84                 :          1 :         thread_id_ready = 0;
      85         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, NULL) == 0,
      86                 :            :                 "Failed to create thread");
      87                 :            : 
      88         [ +  + ]:   10596820 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
      89                 :            :                 ;
      90                 :            : 
      91                 :          1 :         priority = RTE_THREAD_PRIORITY_NORMAL;
      92         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
      93                 :            :                 "Failed to set thread priority");
      94         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
      95                 :            :                 "Failed to get thread priority");
      96         [ -  + ]:          1 :         RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
      97                 :            :                 "Priority set mismatches priority get");
      98                 :            : 
      99                 :          1 :         priority = RTE_THREAD_PRIORITY_REALTIME_CRITICAL;
     100                 :            : #ifndef RTE_EXEC_ENV_WINDOWS
     101         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == ENOTSUP,
     102                 :            :                 "Priority set to critical should fail");
     103         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
     104                 :            :                 "Failed to get thread priority");
     105         [ -  + ]:          1 :         RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
     106                 :            :                 "Failed set to critical should have retained normal");
     107                 :            : #else
     108                 :            :         RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
     109                 :            :                 "Priority set to critical should succeed");
     110                 :            :         RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
     111                 :            :                 "Failed to get thread priority");
     112                 :            :         RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_REALTIME_CRITICAL,
     113                 :            :                 "Priority set mismatches priority get");
     114                 :            : #endif
     115                 :            : 
     116                 :          1 :         priority = RTE_THREAD_PRIORITY_NORMAL;
     117         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_set_priority(thread_id, priority) == 0,
     118                 :            :                 "Failed to set thread priority");
     119         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
     120                 :            :                 "Failed to get thread priority");
     121         [ -  + ]:          1 :         RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
     122                 :            :                 "Priority set mismatches priority get");
     123                 :            : 
     124                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
     125                 :            : 
     126                 :          1 :         return 0;
     127                 :            : }
     128                 :            : 
     129                 :            : static int
     130                 :          1 : test_thread_affinity(void)
     131                 :            : {
     132                 :            :         rte_thread_t thread_id;
     133                 :            :         rte_cpuset_t cpuset0;
     134                 :            :         rte_cpuset_t cpuset1;
     135                 :            : 
     136                 :          1 :         thread_id_ready = 0;
     137         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, NULL, thread_main, NULL) == 0,
     138                 :            :                 "Failed to create thread");
     139                 :            : 
     140         [ +  + ]:   11563933 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
     141                 :            :                 ;
     142                 :            : 
     143         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset0) == 0,
     144                 :            :                 "Failed to get thread affinity");
     145         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
     146                 :            :                 "Failed to get thread affinity");
     147         [ -  + ]:          1 :         RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
     148                 :            :                 "Affinity should be stable");
     149                 :            : 
     150                 :            :         size_t i;
     151         [ +  + ]:       1024 :         for (i = 1; i < CPU_SETSIZE; i++)
     152         [ -  + ]:       1023 :                 if (CPU_ISSET(i, &cpuset0)) {
     153                 :          0 :                         CPU_ZERO(&cpuset0);
     154                 :          0 :                         CPU_SET(i, &cpuset0);
     155                 :            : 
     156                 :          0 :                         break;
     157                 :            :                 }
     158         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_set_affinity_by_id(thread_id, &cpuset0) == 0,
     159                 :            :                 "Failed to set thread affinity");
     160         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
     161                 :            :                 "Failed to get thread affinity");
     162         [ -  + ]:          1 :         RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
     163                 :            :                 "Affinity should be stable");
     164                 :            : 
     165                 :            :         return 0;
     166                 :            : }
     167                 :            : 
     168                 :            : static int
     169                 :          1 : test_thread_attributes_affinity(void)
     170                 :            : {
     171                 :            :         rte_thread_t thread_id;
     172                 :            :         rte_thread_attr_t attr;
     173                 :            :         rte_cpuset_t cpuset0;
     174                 :            :         rte_cpuset_t cpuset1;
     175                 :            : 
     176         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_attr_init(&attr) == 0,
     177                 :            :                 "Failed to initialize thread attributes");
     178                 :            : 
     179                 :          1 :         CPU_ZERO(&cpuset0);
     180         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(rte_thread_self(), &cpuset0) == 0,
     181                 :            :                 "Failed to get thread affinity");
     182         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_attr_set_affinity(&attr, &cpuset0) == 0,
     183                 :            :                 "Failed to set thread attributes affinity");
     184         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_attr_get_affinity(&attr, &cpuset1) == 0,
     185                 :            :                 "Failed to get thread attributes affinity");
     186         [ -  + ]:          1 :         RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
     187                 :            :                 "Affinity should be stable");
     188                 :            : 
     189                 :          1 :         thread_id_ready = 0;
     190         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, &attr, thread_main, NULL) == 0,
     191                 :            :                 "Failed to create attributes affinity thread.");
     192                 :            : 
     193         [ +  + ]:    8675267 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
     194                 :            :                 ;
     195                 :            : 
     196         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_affinity_by_id(thread_id, &cpuset1) == 0,
     197                 :            :                 "Failed to get attributes thread affinity");
     198         [ -  + ]:          1 :         RTE_TEST_ASSERT(memcmp(&cpuset0, &cpuset1, sizeof(rte_cpuset_t)) == 0,
     199                 :            :                 "Failed to apply affinity attributes");
     200                 :            : 
     201                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
     202                 :            : 
     203                 :          1 :         return 0;
     204                 :            : }
     205                 :            : 
     206                 :            : static int
     207                 :          1 : test_thread_attributes_priority(void)
     208                 :            : {
     209                 :            :         rte_thread_t thread_id;
     210                 :            :         rte_thread_attr_t attr;
     211                 :            :         enum rte_thread_priority priority;
     212                 :            : 
     213         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_attr_init(&attr) == 0,
     214                 :            :                 "Failed to initialize thread attributes");
     215         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_attr_set_priority(&attr, RTE_THREAD_PRIORITY_NORMAL) == 0,
     216                 :            :                 "Failed to set thread attributes priority");
     217                 :            : 
     218                 :          1 :         thread_id_ready = 0;
     219         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create(&thread_id, &attr, thread_main, NULL) == 0,
     220                 :            :                 "Failed to create attributes priority thread.");
     221                 :            : 
     222         [ +  + ]:   11589384 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
     223                 :            :                 ;
     224                 :            : 
     225         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_get_priority(thread_id, &priority) == 0,
     226                 :            :                 "Failed to get thread priority");
     227         [ -  + ]:          1 :         RTE_TEST_ASSERT(priority == RTE_THREAD_PRIORITY_NORMAL,
     228                 :            :                 "Failed to apply priority attributes");
     229                 :            : 
     230                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
     231                 :            : 
     232                 :          1 :         return 0;
     233                 :            : }
     234                 :            : 
     235                 :            : static int
     236                 :          1 : test_thread_control_create_join(void)
     237                 :            : {
     238                 :            :         rte_thread_t thread_id;
     239                 :            :         rte_thread_t thread_main_id;
     240                 :            : 
     241                 :          1 :         thread_id_ready = 0;
     242         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_create_control(&thread_id, "dpdk-test-thcc",
     243                 :            :                 thread_main, &thread_main_id) == 0,
     244                 :            :                 "Failed to create thread.");
     245                 :            : 
     246         [ -  + ]:          1 :         while (__atomic_load_n(&thread_id_ready, __ATOMIC_ACQUIRE) == 0)
     247                 :            :                 ;
     248                 :            : 
     249         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_equal(thread_id, thread_main_id) != 0,
     250                 :            :                 "Unexpected thread id.");
     251                 :            : 
     252                 :          1 :         __atomic_store_n(&thread_id_ready, 2, __ATOMIC_RELEASE);
     253                 :            : 
     254         [ -  + ]:          1 :         RTE_TEST_ASSERT(rte_thread_join(thread_id, NULL) == 0,
     255                 :            :                 "Failed to join thread.");
     256                 :            : 
     257                 :            :         return 0;
     258                 :            : }
     259                 :            : 
     260                 :            : static struct unit_test_suite threads_test_suite = {
     261                 :            :         .suite_name = "threads autotest",
     262                 :            :         .setup = NULL,
     263                 :            :         .teardown = NULL,
     264                 :            :         .unit_test_cases = {
     265                 :            :                 TEST_CASE(test_thread_create_join),
     266                 :            :                 TEST_CASE(test_thread_create_detach),
     267                 :            :                 TEST_CASE(test_thread_affinity),
     268                 :            :                 TEST_CASE(test_thread_priority),
     269                 :            :                 TEST_CASE(test_thread_attributes_affinity),
     270                 :            :                 TEST_CASE(test_thread_attributes_priority),
     271                 :            :                 TEST_CASE(test_thread_control_create_join),
     272                 :            :                 TEST_CASES_END()
     273                 :            :         }
     274                 :            : };
     275                 :            : 
     276                 :            : static int
     277                 :          1 : test_threads(void)
     278                 :            : {
     279                 :          1 :         return unit_test_suite_runner(&threads_test_suite);
     280                 :            : }
     281                 :            : 
     282                 :        235 : REGISTER_FAST_TEST(threads_autotest, true, true, test_threads);

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