ceph/src/seastar/dpdk/app/test/test_mp_secondary.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6
   7 #include "test.h"
   8
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <sys/queue.h>
  14 #include <errno.h>
  15 #include <string.h>
  16 #include <unistd.h>
  17 #include <sys/wait.h>
  18 #include <libgen.h>
  19 #include <dirent.h>
  20 #include <limits.h>
  21
  22 #include <rte_common.h>
  23 #include <rte_memory.h>
  24 #include <rte_memzone.h>
  25 #include <rte_eal.h>
  26 #include <rte_launch.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_errno.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_atomic.h>
  32 #include <rte_ring.h>
  33 #include <rte_debug.h>
  34 #include <rte_log.h>
  35 #include <rte_mempool.h>
  36
  37 #ifdef RTE_LIBRTE_HASH
  38 #include <rte_hash.h>
  39 #include <rte_fbk_hash.h>
  40 #endif /* RTE_LIBRTE_HASH */
  41
  42 #ifdef RTE_LIBRTE_LPM
  43 #include <rte_lpm.h>
  44 #endif /* RTE_LIBRTE_LPM */
  45
  46 #include <rte_string_fns.h>
  47
  48 #include "process.h"
  49
  50 #define launch_proc(ARGV) process_dup(ARGV, \
  51                 sizeof(ARGV)/(sizeof(ARGV[0])), __func__)
  52
  53 /*
  54  * This function is called in the primary i.e. main test, to spawn off secondary
  55  * processes to run actual mp tests. Uses fork() and exec pair
  56  */
  57 static int
  58 run_secondary_instances(void)
  59 {
  60         int ret = 0;
  61         char coremask[10];
  62
  63 #ifdef RTE_EXEC_ENV_LINUX
  64         char tmp[PATH_MAX] = {0};
  65         char prefix[PATH_MAX] = {0};
  66
  67         get_current_prefix(tmp, sizeof(tmp));
  68
  69         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
  70 #else
  71         const char *prefix = "";
  72 #endif
  73
  74         /* good case, using secondary */
  75         const char *argv1[] = {
  76                         prgname, "-c", coremask, "--proc-type=secondary",
  77                         prefix
  78         };
  79         /* good case, using auto */
  80         const char *argv2[] = {
  81                         prgname, "-c", coremask, "--proc-type=auto",
  82                         prefix
  83         };
  84         /* bad case, using invalid type */
  85         const char *argv3[] = {
  86                         prgname, "-c", coremask, "--proc-type=ERROR",
  87                         prefix
  88         };
  89 #ifdef RTE_EXEC_ENV_LINUX
  90         /* bad case, using invalid file prefix */
  91         const char *argv4[]  = {
  92                         prgname, "-c", coremask, "--proc-type=secondary",
  93                                         "--file-prefix=ERROR"
  94         };
  95 #endif
  96
  97         snprintf(coremask, sizeof(coremask), "%x", \
  98                         (1 << rte_get_master_lcore()));
  99
 100         ret |= launch_proc(argv1);
 101         ret |= launch_proc(argv2);
 102
 103         ret |= !(launch_proc(argv3));
 104 #ifdef RTE_EXEC_ENV_LINUX
 105         ret |= !(launch_proc(argv4));
 106 #endif
 107
 108         return ret;
 109 }
 110
 111 /*
 112  * This function is run in the secondary instance to test that creation of
 113  * objects fails in a secondary
 114  */
 115 static int
 116 run_object_creation_tests(void)
 117 {
 118         const unsigned flags = 0;
 119         const unsigned size = 1024;
 120         const unsigned elt_size = 64;
 121         const unsigned cache_size = 64;
 122         const unsigned priv_data_size = 32;
 123
 124         printf("### Testing object creation - expect lots of mz reserve errors!\n");
 125
 126         rte_errno = 0;
 127         if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
 128                                  flags) == NULL) &&
 129             (rte_memzone_lookup("test_mz") == NULL)) {
 130                 printf("Error: unexpected return value from rte_memzone_reserve\n");
 131                 return -1;
 132         }
 133         printf("# Checked rte_memzone_reserve() OK\n");
 134
 135         rte_errno = 0;
 136         if ((rte_ring_create(
 137                      "test_ring", size, rte_socket_id(), flags) == NULL) &&
 138                     (rte_ring_lookup("test_ring") == NULL)){
 139                 printf("Error: unexpected return value from rte_ring_create()\n");
 140                 return -1;
 141         }
 142         printf("# Checked rte_ring_create() OK\n");
 143
 144         rte_errno = 0;
 145         if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
 146                                 priv_data_size, NULL, NULL, NULL, NULL,
 147                                 rte_socket_id(), flags) == NULL) &&
 148              (rte_mempool_lookup("test_mp") == NULL)){
 149                 printf("Error: unexpected return value from rte_mempool_create()\n");
 150                 return -1;
 151         }
 152         printf("# Checked rte_mempool_create() OK\n");
 153
 154 #ifdef RTE_LIBRTE_HASH
 155         const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
 156         rte_errno=0;
 157         if ((rte_hash_create(&hash_params) != NULL) &&
 158             (rte_hash_find_existing(hash_params.name) == NULL)){
 159                 printf("Error: unexpected return value from rte_hash_create()\n");
 160                 return -1;
 161         }
 162         printf("# Checked rte_hash_create() OK\n");
 163
 164         const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
 165         rte_errno=0;
 166         if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
 167             (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
 168                 printf("Error: unexpected return value from rte_fbk_hash_create()\n");
 169                 return -1;
 170         }
 171         printf("# Checked rte_fbk_hash_create() OK\n");
 172 #endif
 173
 174 #ifdef RTE_LIBRTE_LPM
 175         rte_errno=0;
 176         struct rte_lpm_config config;
 177
 178         config.max_rules = rte_socket_id();
 179         config.number_tbl8s = 256;
 180         config.flags = 0;
 181         if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
 182             (rte_lpm_find_existing("test_lpm") == NULL)){
 183                 printf("Error: unexpected return value from rte_lpm_create()\n");
 184                 return -1;
 185         }
 186         printf("# Checked rte_lpm_create() OK\n");
 187 #endif
 188
 189         return 0;
 190 }
 191
 192 /* if called in a primary process, just spawns off a secondary process to
 193  * run validation tests - which brings us right back here again...
 194  * if called in a secondary process, this runs a series of API tests to check
 195  * how things run in a secondary instance.
 196  */
 197 int
 198 test_mp_secondary(void)
 199 {
 200         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 201                 return run_secondary_instances();
 202         }
 203
 204         printf("IN SECONDARY PROCESS\n");
 205
 206         return run_object_creation_tests();
 207 }
 208
 209 REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary);