diff options
Diffstat (limited to 'test/test/test_func_reentrancy.c')
| -rw-r--r-- | test/test/test_func_reentrancy.c | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/test/test/test_func_reentrancy.c b/test/test/test_func_reentrancy.c new file mode 100644 index 00000000..baa01ffc --- /dev/null +++ b/test/test/test_func_reentrancy.c @@ -0,0 +1,510 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <inttypes.h> +#include <stdarg.h> +#include <errno.h> +#include <sys/queue.h> + +#include <rte_common.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_memory.h> +#include <rte_memzone.h> +#include <rte_launch.h> +#include <rte_cycles.h> +#include <rte_eal.h> +#include <rte_per_lcore.h> +#include <rte_lcore.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_ring.h> +#include <rte_mempool.h> +#include <rte_spinlock.h> +#include <rte_malloc.h> + +#ifdef RTE_LIBRTE_HASH +#include <rte_hash.h> +#include <rte_fbk_hash.h> +#include <rte_jhash.h> +#endif /* RTE_LIBRTE_HASH */ + +#ifdef RTE_LIBRTE_LPM +#include <rte_lpm.h> +#endif /* RTE_LIBRTE_LPM */ + +#include <rte_string_fns.h> + +#include "test.h" + +typedef int (*case_func_t)(void* arg); +typedef void (*case_clean_t)(unsigned lcore_id); + +#define MAX_STRING_SIZE (256) +#define MAX_ITER_TIMES (16) +#define MAX_LPM_ITER_TIMES (8) + +#define MEMPOOL_ELT_SIZE (sizeof(uint32_t)) +#define MEMPOOL_SIZE (4) + +#define MAX_LCORES RTE_MAX_MEMZONE / (MAX_ITER_TIMES * 4U) + +static rte_atomic32_t obj_count = RTE_ATOMIC32_INIT(0); +static rte_atomic32_t synchro = RTE_ATOMIC32_INIT(0); + +#define WAIT_SYNCHRO_FOR_SLAVES() do{ \ + if (lcore_self != rte_get_master_lcore()) \ + while (rte_atomic32_read(&synchro) == 0); \ +} while(0) + +/* + * rte_eal_init only init once + */ +static int +test_eal_init_once(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + + WAIT_SYNCHRO_FOR_SLAVES(); + + rte_atomic32_set(&obj_count, 1); /* silent the check in the caller */ + if (rte_eal_init(0, NULL) != -1) + return -1; + + return 0; +} + +/* + * ring create/lookup reentrancy test + */ +static int +ring_create_lookup(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + struct rte_ring * rp; + char ring_name[MAX_STRING_SIZE]; + int i; + + WAIT_SYNCHRO_FOR_SLAVES(); + + /* create the same ring simultaneously on all threads */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + rp = rte_ring_create("fr_test_once", 4096, SOCKET_ID_ANY, 0); + if (rp != NULL) + rte_atomic32_inc(&obj_count); + } + + /* create/lookup new ring several times */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i); + rp = rte_ring_create(ring_name, 4096, SOCKET_ID_ANY, 0); + if (NULL == rp) + return -1; + if (rte_ring_lookup(ring_name) != rp) + return -1; + } + + /* verify all ring created sucessful */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i); + if (rte_ring_lookup(ring_name) == NULL) + return -1; + } + + return 0; +} + +static void +my_obj_init(struct rte_mempool *mp, __attribute__((unused)) void *arg, + void *obj, unsigned i) +{ + uint32_t *objnum = obj; + memset(obj, 0, mp->elt_size); + *objnum = i; +} + +static int +mempool_create_lookup(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + struct rte_mempool * mp; + char mempool_name[MAX_STRING_SIZE]; + int i; + + WAIT_SYNCHRO_FOR_SLAVES(); + + /* create the same mempool simultaneously on all threads */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + mp = rte_mempool_create("fr_test_once", MEMPOOL_SIZE, + MEMPOOL_ELT_SIZE, 0, 0, + NULL, NULL, + my_obj_init, NULL, + SOCKET_ID_ANY, 0); + if (mp != NULL) + rte_atomic32_inc(&obj_count); + } + + /* create/lookup new ring several times */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i); + mp = rte_mempool_create(mempool_name, MEMPOOL_SIZE, + MEMPOOL_ELT_SIZE, 0, 0, + NULL, NULL, + my_obj_init, NULL, + SOCKET_ID_ANY, 0); + if (NULL == mp) + return -1; + if (rte_mempool_lookup(mempool_name) != mp) + return -1; + } + + /* verify all ring created sucessful */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i); + if (rte_mempool_lookup(mempool_name) == NULL) + return -1; + } + + return 0; +} + +#ifdef RTE_LIBRTE_HASH +static void +hash_clean(unsigned lcore_id) +{ + char hash_name[MAX_STRING_SIZE]; + struct rte_hash *handle; + int i; + + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_id, i); + + if ((handle = rte_hash_find_existing(hash_name)) != NULL) + rte_hash_free(handle); + } +} + +static int +hash_create_free(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + struct rte_hash *handle; + char hash_name[MAX_STRING_SIZE]; + int i; + struct rte_hash_parameters hash_params = { + .name = NULL, + .entries = 16, + .key_len = 4, + .hash_func = (rte_hash_function)rte_jhash_32b, + .hash_func_init_val = 0, + .socket_id = 0, + }; + + WAIT_SYNCHRO_FOR_SLAVES(); + + /* create the same hash simultaneously on all threads */ + hash_params.name = "fr_test_once"; + for (i = 0; i < MAX_ITER_TIMES; i++) { + handle = rte_hash_create(&hash_params); + if (handle != NULL) + rte_atomic32_inc(&obj_count); + } + + /* create mutiple times simultaneously */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_self, i); + hash_params.name = hash_name; + + handle = rte_hash_create(&hash_params); + if (NULL == handle) + return -1; + + /* verify correct existing and then free all */ + if (handle != rte_hash_find_existing(hash_name)) + return -1; + + rte_hash_free(handle); + } + + /* verify free correct */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_self, i); + + if (NULL != rte_hash_find_existing(hash_name)) + return -1; + } + + return 0; +} + +static void +fbk_clean(unsigned lcore_id) +{ + char fbk_name[MAX_STRING_SIZE]; + struct rte_fbk_hash_table *handle; + int i; + + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_id, i); + + if ((handle = rte_fbk_hash_find_existing(fbk_name)) != NULL) + rte_fbk_hash_free(handle); + } +} + +static int +fbk_create_free(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + struct rte_fbk_hash_table *handle; + char fbk_name[MAX_STRING_SIZE]; + int i; + struct rte_fbk_hash_params fbk_params = { + .name = NULL, + .entries = 4, + .entries_per_bucket = 4, + .socket_id = 0, + .hash_func = rte_jhash_1word, + .init_val = RTE_FBK_HASH_INIT_VAL_DEFAULT, + }; + + WAIT_SYNCHRO_FOR_SLAVES(); + + /* create the same fbk hash table simultaneously on all threads */ + fbk_params.name = "fr_test_once"; + for (i = 0; i < MAX_ITER_TIMES; i++) { + handle = rte_fbk_hash_create(&fbk_params); + if (handle != NULL) + rte_atomic32_inc(&obj_count); + } + + /* create mutiple fbk tables simultaneously */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_self, i); + fbk_params.name = fbk_name; + + handle = rte_fbk_hash_create(&fbk_params); + if (NULL == handle) + return -1; + + /* verify correct existing and then free all */ + if (handle != rte_fbk_hash_find_existing(fbk_name)) + return -1; + + rte_fbk_hash_free(handle); + } + + /* verify free correct */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_self, i); + + if (NULL != rte_fbk_hash_find_existing(fbk_name)) + return -1; + } + + return 0; +} +#endif /* RTE_LIBRTE_HASH */ + +#ifdef RTE_LIBRTE_LPM +static void +lpm_clean(unsigned lcore_id) +{ + char lpm_name[MAX_STRING_SIZE]; + struct rte_lpm *lpm; + int i; + + for (i = 0; i < MAX_LPM_ITER_TIMES; i++) { + snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_id, i); + + if ((lpm = rte_lpm_find_existing(lpm_name)) != NULL) + rte_lpm_free(lpm); + } +} + +static int +lpm_create_free(__attribute__((unused)) void *arg) +{ + unsigned lcore_self = rte_lcore_id(); + struct rte_lpm *lpm; + struct rte_lpm_config config; + + config.max_rules = 4; + config.number_tbl8s = 256; + config.flags = 0; + char lpm_name[MAX_STRING_SIZE]; + int i; + + WAIT_SYNCHRO_FOR_SLAVES(); + + /* create the same lpm simultaneously on all threads */ + for (i = 0; i < MAX_ITER_TIMES; i++) { + lpm = rte_lpm_create("fr_test_once", SOCKET_ID_ANY, &config); + if (lpm != NULL) + rte_atomic32_inc(&obj_count); + } + + /* create mutiple fbk tables simultaneously */ + for (i = 0; i < MAX_LPM_ITER_TIMES; i++) { + snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_self, i); + lpm = rte_lpm_create(lpm_name, SOCKET_ID_ANY, &config); + if (NULL == lpm) + return -1; + + /* verify correct existing and then free all */ + if (lpm != rte_lpm_find_existing(lpm_name)) + return -1; + + rte_lpm_free(lpm); + } + + /* verify free correct */ + for (i = 0; i < MAX_LPM_ITER_TIMES; i++) { + snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_self, i); + if (NULL != rte_lpm_find_existing(lpm_name)) + return -1; + } + + return 0; +} +#endif /* RTE_LIBRTE_LPM */ + +struct test_case{ + case_func_t func; + void* arg; + case_clean_t clean; + char name[MAX_STRING_SIZE]; +}; + +/* All test cases in the test suite */ +struct test_case test_cases[] = { + { test_eal_init_once, NULL, NULL, "eal init once" }, + { ring_create_lookup, NULL, NULL, "ring create/lookup" }, + { mempool_create_lookup, NULL, NULL, "mempool create/lookup" }, +#ifdef RTE_LIBRTE_HASH + { hash_create_free, NULL, hash_clean, "hash create/free" }, + { fbk_create_free, NULL, fbk_clean, "fbk create/free" }, +#endif /* RTE_LIBRTE_HASH */ +#ifdef RTE_LIBRTE_LPM + { lpm_create_free, NULL, lpm_clean, "lpm create/free" }, +#endif /* RTE_LIBRTE_LPM */ +}; + +/** + * launch test case in two separate thread + */ +static int +launch_test(struct test_case *pt_case) +{ + int ret = 0; + unsigned lcore_id; + unsigned cores_save = rte_lcore_count(); + unsigned cores = RTE_MIN(cores_save, MAX_LCORES); + unsigned count; + + if (pt_case->func == NULL) + return -1; + + rte_atomic32_set(&obj_count, 0); + rte_atomic32_set(&synchro, 0); + + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (cores == 1) + break; + cores--; + rte_eal_remote_launch(pt_case->func, pt_case->arg, lcore_id); + } + + rte_atomic32_set(&synchro, 1); + + if (pt_case->func(pt_case->arg) < 0) + ret = -1; + + cores = cores_save; + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (cores == 1) + break; + cores--; + if (rte_eal_wait_lcore(lcore_id) < 0) + ret = -1; + + if (pt_case->clean != NULL) + pt_case->clean(lcore_id); + } + + count = rte_atomic32_read(&obj_count); + if (count != 1) { + printf("%s: common object allocated %d times (should be 1)\n", + pt_case->name, count); + ret = -1; + } + + return ret; +} + +/** + * Main entry of func_reentrancy test + */ +static int +test_func_reentrancy(void) +{ + uint32_t case_id; + struct test_case *pt_case = NULL; + + if (rte_lcore_count() <= 1) { + printf("Not enough lcore for testing\n"); + return -1; + } + else if (rte_lcore_count() > MAX_LCORES) + printf("Too many lcores, some cores will be disabled\n"); + + for (case_id = 0; case_id < sizeof(test_cases)/sizeof(struct test_case); case_id ++) { + pt_case = &test_cases[case_id]; + if (pt_case->func == NULL) + continue; + + if (launch_test(pt_case) < 0) { + printf("Func-ReEnt CASE %"PRIu32": %s FAIL\n", case_id, pt_case->name); + return -1; + } + printf("Func-ReEnt CASE %"PRIu32": %s PASS\n", case_id, pt_case->name); + } + + return 0; +} + +REGISTER_TEST_COMMAND(func_reentrancy_autotest, test_func_reentrancy); |