+++ /dev/null
-/*-
- * 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_mempool.h>
-#include <rte_spinlock.h>
-#include <rte_malloc.h>
-
-#include "test.h"
-
-/*
- * Mempool
- * =======
- *
- * Basic tests: done on one core with and without cache:
- *
- * - Get one object, put one object
- * - Get two objects, put two objects
- * - Get all objects, test that their content is not modified and
- * put them back in the pool.
- */
-
-#define MEMPOOL_ELT_SIZE 2048
-#define MAX_KEEP 16
-#define MEMPOOL_SIZE ((rte_lcore_count()*(MAX_KEEP+RTE_MEMPOOL_CACHE_MAX_SIZE))-1)
-
-#define LOG_ERR() printf("test failed at %s():%d\n", __func__, __LINE__)
-#define RET_ERR() do { \
- LOG_ERR(); \
- return -1; \
- } while (0)
-#define GOTO_ERR(var, label) do { \
- LOG_ERR(); \
- var = -1; \
- goto label; \
- } while (0)
-
-static rte_atomic32_t synchro;
-
-/*
- * save the object number in the first 4 bytes of object data. All
- * other bytes are set to 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;
-}
-
-/* basic tests (done on one core) */
-static int
-test_mempool_basic(struct rte_mempool *mp, int use_external_cache)
-{
- uint32_t *objnum;
- void **objtable;
- void *obj, *obj2;
- char *obj_data;
- int ret = 0;
- unsigned i, j;
- int offset;
- struct rte_mempool_cache *cache;
-
- if (use_external_cache) {
- /* Create a user-owned mempool cache. */
- cache = rte_mempool_cache_create(RTE_MEMPOOL_CACHE_MAX_SIZE,
- SOCKET_ID_ANY);
- if (cache == NULL)
- RET_ERR();
- } else {
- /* May be NULL if cache is disabled. */
- cache = rte_mempool_default_cache(mp, rte_lcore_id());
- }
-
- /* dump the mempool status */
- rte_mempool_dump(stdout, mp);
-
- printf("get an object\n");
- if (rte_mempool_generic_get(mp, &obj, 1, cache, 0) < 0)
- GOTO_ERR(ret, out);
- rte_mempool_dump(stdout, mp);
-
- /* tests that improve coverage */
- printf("get object count\n");
- /* We have to count the extra caches, one in this case. */
- offset = use_external_cache ? 1 * cache->len : 0;
- if (rte_mempool_avail_count(mp) + offset != MEMPOOL_SIZE - 1)
- GOTO_ERR(ret, out);
-
- printf("get private data\n");
- if (rte_mempool_get_priv(mp) != (char *)mp +
- MEMPOOL_HEADER_SIZE(mp, mp->cache_size))
- GOTO_ERR(ret, out);
-
-#ifndef RTE_EXEC_ENV_BSDAPP /* rte_mem_virt2phy() not supported on bsd */
- printf("get physical address of an object\n");
- if (rte_mempool_virt2phy(mp, obj) != rte_mem_virt2phy(obj))
- GOTO_ERR(ret, out);
-#endif
-
- printf("put the object back\n");
- rte_mempool_generic_put(mp, &obj, 1, cache, 0);
- rte_mempool_dump(stdout, mp);
-
- printf("get 2 objects\n");
- if (rte_mempool_generic_get(mp, &obj, 1, cache, 0) < 0)
- GOTO_ERR(ret, out);
- if (rte_mempool_generic_get(mp, &obj2, 1, cache, 0) < 0) {
- rte_mempool_generic_put(mp, &obj, 1, cache, 0);
- GOTO_ERR(ret, out);
- }
- rte_mempool_dump(stdout, mp);
-
- printf("put the objects back\n");
- rte_mempool_generic_put(mp, &obj, 1, cache, 0);
- rte_mempool_generic_put(mp, &obj2, 1, cache, 0);
- rte_mempool_dump(stdout, mp);
-
- /*
- * get many objects: we cannot get them all because the cache
- * on other cores may not be empty.
- */
- objtable = malloc(MEMPOOL_SIZE * sizeof(void *));
- if (objtable == NULL)
- GOTO_ERR(ret, out);
-
- for (i = 0; i < MEMPOOL_SIZE; i++) {
- if (rte_mempool_generic_get(mp, &objtable[i], 1, cache, 0) < 0)
- break;
- }
-
- /*
- * for each object, check that its content was not modified,
- * and put objects back in pool
- */
- while (i--) {
- obj = objtable[i];
- obj_data = obj;
- objnum = obj;
- if (*objnum > MEMPOOL_SIZE) {
- printf("bad object number(%d)\n", *objnum);
- ret = -1;
- break;
- }
- for (j = sizeof(*objnum); j < mp->elt_size; j++) {
- if (obj_data[j] != 0)
- ret = -1;
- }
-
- rte_mempool_generic_put(mp, &objtable[i], 1, cache, 0);
- }
-
- free(objtable);
- if (ret == -1)
- printf("objects were modified!\n");
-
-out:
- if (use_external_cache) {
- rte_mempool_cache_flush(cache, mp);
- rte_mempool_cache_free(cache);
- }
-
- return ret;
-}
-
-static int test_mempool_creation_with_exceeded_cache_size(void)
-{
- struct rte_mempool *mp_cov;
-
- mp_cov = rte_mempool_create("test_mempool_cache_too_big",
- MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE,
- RTE_MEMPOOL_CACHE_MAX_SIZE + 32, 0,
- NULL, NULL,
- my_obj_init, NULL,
- SOCKET_ID_ANY, 0);
-
- if (mp_cov != NULL) {
- rte_mempool_free(mp_cov);
- RET_ERR();
- }
-
- return 0;
-}
-
-static struct rte_mempool *mp_spsc;
-static rte_spinlock_t scsp_spinlock;
-static void *scsp_obj_table[MAX_KEEP];
-
-/*
- * single producer function
- */
-static int test_mempool_single_producer(void)
-{
- unsigned int i;
- void *obj = NULL;
- uint64_t start_cycles, end_cycles;
- uint64_t duration = rte_get_timer_hz() / 4;
-
- start_cycles = rte_get_timer_cycles();
- while (1) {
- end_cycles = rte_get_timer_cycles();
- /* duration uses up, stop producing */
- if (start_cycles + duration < end_cycles)
- break;
- rte_spinlock_lock(&scsp_spinlock);
- for (i = 0; i < MAX_KEEP; i ++) {
- if (NULL != scsp_obj_table[i]) {
- obj = scsp_obj_table[i];
- break;
- }
- }
- rte_spinlock_unlock(&scsp_spinlock);
- if (i >= MAX_KEEP) {
- continue;
- }
- if (rte_mempool_from_obj(obj) != mp_spsc) {
- printf("obj not owned by this mempool\n");
- RET_ERR();
- }
- rte_mempool_put(mp_spsc, obj);
- rte_spinlock_lock(&scsp_spinlock);
- scsp_obj_table[i] = NULL;
- rte_spinlock_unlock(&scsp_spinlock);
- }
-
- return 0;
-}
-
-/*
- * single consumer function
- */
-static int test_mempool_single_consumer(void)
-{
- unsigned int i;
- void * obj;
- uint64_t start_cycles, end_cycles;
- uint64_t duration = rte_get_timer_hz() / 8;
-
- start_cycles = rte_get_timer_cycles();
- while (1) {
- end_cycles = rte_get_timer_cycles();
- /* duration uses up, stop consuming */
- if (start_cycles + duration < end_cycles)
- break;
- rte_spinlock_lock(&scsp_spinlock);
- for (i = 0; i < MAX_KEEP; i ++) {
- if (NULL == scsp_obj_table[i])
- break;
- }
- rte_spinlock_unlock(&scsp_spinlock);
- if (i >= MAX_KEEP)
- continue;
- if (rte_mempool_get(mp_spsc, &obj) < 0)
- break;
- rte_spinlock_lock(&scsp_spinlock);
- scsp_obj_table[i] = obj;
- rte_spinlock_unlock(&scsp_spinlock);
- }
-
- return 0;
-}
-
-/*
- * test function for mempool test based on singple consumer and single producer,
- * can run on one lcore only
- */
-static int
-test_mempool_launch_single_consumer(__attribute__((unused)) void *arg)
-{
- return test_mempool_single_consumer();
-}
-
-static void
-my_mp_init(struct rte_mempool *mp, __attribute__((unused)) void *arg)
-{
- printf("mempool name is %s\n", mp->name);
- /* nothing to be implemented here*/
- return ;
-}
-
-/*
- * it tests the mempool operations based on singple producer and single consumer
- */
-static int
-test_mempool_sp_sc(void)
-{
- int ret = 0;
- unsigned lcore_id = rte_lcore_id();
- unsigned lcore_next;
-
- /* create a mempool with single producer/consumer ring */
- if (mp_spsc == NULL) {
- mp_spsc = rte_mempool_create("test_mempool_sp_sc", MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE, 0, 0,
- my_mp_init, NULL,
- my_obj_init, NULL,
- SOCKET_ID_ANY,
- MEMPOOL_F_NO_CACHE_ALIGN | MEMPOOL_F_SP_PUT |
- MEMPOOL_F_SC_GET);
- if (mp_spsc == NULL)
- RET_ERR();
- }
- if (rte_mempool_lookup("test_mempool_sp_sc") != mp_spsc) {
- printf("Cannot lookup mempool from its name\n");
- rte_mempool_free(mp_spsc);
- RET_ERR();
- }
- lcore_next = rte_get_next_lcore(lcore_id, 0, 1);
- if (lcore_next >= RTE_MAX_LCORE) {
- rte_mempool_free(mp_spsc);
- RET_ERR();
- }
- if (rte_eal_lcore_role(lcore_next) != ROLE_RTE) {
- rte_mempool_free(mp_spsc);
- RET_ERR();
- }
- rte_spinlock_init(&scsp_spinlock);
- memset(scsp_obj_table, 0, sizeof(scsp_obj_table));
- rte_eal_remote_launch(test_mempool_launch_single_consumer, NULL,
- lcore_next);
- if (test_mempool_single_producer() < 0)
- ret = -1;
-
- if (rte_eal_wait_lcore(lcore_next) < 0)
- ret = -1;
- rte_mempool_free(mp_spsc);
-
- return ret;
-}
-
-/*
- * it tests some more basic of mempool
- */
-static int
-test_mempool_basic_ex(struct rte_mempool *mp)
-{
- unsigned i;
- void **obj;
- void *err_obj;
- int ret = -1;
-
- if (mp == NULL)
- return ret;
-
- obj = rte_calloc("test_mempool_basic_ex", MEMPOOL_SIZE,
- sizeof(void *), 0);
- if (obj == NULL) {
- printf("test_mempool_basic_ex fail to rte_malloc\n");
- return ret;
- }
- printf("test_mempool_basic_ex now mempool (%s) has %u free entries\n",
- mp->name, rte_mempool_in_use_count(mp));
- if (rte_mempool_full(mp) != 1) {
- printf("test_mempool_basic_ex the mempool should be full\n");
- goto fail_mp_basic_ex;
- }
-
- for (i = 0; i < MEMPOOL_SIZE; i ++) {
- if (rte_mempool_get(mp, &obj[i]) < 0) {
- printf("test_mp_basic_ex fail to get object for [%u]\n",
- i);
- goto fail_mp_basic_ex;
- }
- }
- if (rte_mempool_get(mp, &err_obj) == 0) {
- printf("test_mempool_basic_ex get an impossible obj\n");
- goto fail_mp_basic_ex;
- }
- printf("number: %u\n", i);
- if (rte_mempool_empty(mp) != 1) {
- printf("test_mempool_basic_ex the mempool should be empty\n");
- goto fail_mp_basic_ex;
- }
-
- for (i = 0; i < MEMPOOL_SIZE; i++)
- rte_mempool_put(mp, obj[i]);
-
- if (rte_mempool_full(mp) != 1) {
- printf("test_mempool_basic_ex the mempool should be full\n");
- goto fail_mp_basic_ex;
- }
-
- ret = 0;
-
-fail_mp_basic_ex:
- if (obj != NULL)
- rte_free((void *)obj);
-
- return ret;
-}
-
-static int
-test_mempool_same_name_twice_creation(void)
-{
- struct rte_mempool *mp_tc, *mp_tc2;
-
- mp_tc = rte_mempool_create("test_mempool_same_name", MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE, 0, 0,
- NULL, NULL,
- NULL, NULL,
- SOCKET_ID_ANY, 0);
-
- if (mp_tc == NULL)
- RET_ERR();
-
- mp_tc2 = rte_mempool_create("test_mempool_same_name", MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE, 0, 0,
- NULL, NULL,
- NULL, NULL,
- SOCKET_ID_ANY, 0);
-
- if (mp_tc2 != NULL) {
- rte_mempool_free(mp_tc);
- rte_mempool_free(mp_tc2);
- RET_ERR();
- }
-
- rte_mempool_free(mp_tc);
- return 0;
-}
-
-/*
- * BAsic test for mempool_xmem functions.
- */
-static int
-test_mempool_xmem_misc(void)
-{
- uint32_t elt_num, total_size;
- size_t sz;
- ssize_t usz;
-
- elt_num = MAX_KEEP;
- total_size = rte_mempool_calc_obj_size(MEMPOOL_ELT_SIZE, 0, NULL);
- sz = rte_mempool_xmem_size(elt_num, total_size, MEMPOOL_PG_SHIFT_MAX);
-
- usz = rte_mempool_xmem_usage(NULL, elt_num, total_size, 0, 1,
- MEMPOOL_PG_SHIFT_MAX);
-
- if (sz != (size_t)usz) {
- printf("failure @ %s: rte_mempool_xmem_usage(%u, %u) "
- "returns: %#zx, while expected: %#zx;\n",
- __func__, elt_num, total_size, sz, (size_t)usz);
- return -1;
- }
-
- return 0;
-}
-
-static void
-walk_cb(struct rte_mempool *mp, void *userdata __rte_unused)
-{
- printf("\t%s\n", mp->name);
-}
-
-static int
-test_mempool(void)
-{
- struct rte_mempool *mp_cache = NULL;
- struct rte_mempool *mp_nocache = NULL;
- struct rte_mempool *mp_stack = NULL;
-
- rte_atomic32_init(&synchro);
-
- /* create a mempool (without cache) */
- mp_nocache = rte_mempool_create("test_nocache", MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE, 0, 0,
- NULL, NULL,
- my_obj_init, NULL,
- SOCKET_ID_ANY, 0);
-
- if (mp_nocache == NULL) {
- printf("cannot allocate mp_nocache mempool\n");
- goto err;
- }
-
- /* create a mempool (with cache) */
- mp_cache = rte_mempool_create("test_cache", MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE,
- RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
- NULL, NULL,
- my_obj_init, NULL,
- SOCKET_ID_ANY, 0);
-
- if (mp_cache == NULL) {
- printf("cannot allocate mp_cache mempool\n");
- goto err;
- }
-
- /* create a mempool with an external handler */
- mp_stack = rte_mempool_create_empty("test_stack",
- MEMPOOL_SIZE,
- MEMPOOL_ELT_SIZE,
- RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
- SOCKET_ID_ANY, 0);
-
- if (mp_stack == NULL) {
- printf("cannot allocate mp_stack mempool\n");
- goto err;
- }
- if (rte_mempool_set_ops_byname(mp_stack, "stack", NULL) < 0) {
- printf("cannot set stack handler\n");
- goto err;
- }
- if (rte_mempool_populate_default(mp_stack) < 0) {
- printf("cannot populate mp_stack mempool\n");
- goto err;
- }
- rte_mempool_obj_iter(mp_stack, my_obj_init, NULL);
-
- /* retrieve the mempool from its name */
- if (rte_mempool_lookup("test_nocache") != mp_nocache) {
- printf("Cannot lookup mempool from its name\n");
- goto err;
- }
-
- printf("Walk into mempools:\n");
- rte_mempool_walk(walk_cb, NULL);
-
- rte_mempool_list_dump(stdout);
-
- /* basic tests without cache */
- if (test_mempool_basic(mp_nocache, 0) < 0)
- goto err;
-
- /* basic tests with cache */
- if (test_mempool_basic(mp_cache, 0) < 0)
- goto err;
-
- /* basic tests with user-owned cache */
- if (test_mempool_basic(mp_nocache, 1) < 0)
- goto err;
-
- /* more basic tests without cache */
- if (test_mempool_basic_ex(mp_nocache) < 0)
- goto err;
-
- /* mempool operation test based on single producer and single comsumer */
- if (test_mempool_sp_sc() < 0)
- goto err;
-
- if (test_mempool_creation_with_exceeded_cache_size() < 0)
- goto err;
-
- if (test_mempool_same_name_twice_creation() < 0)
- goto err;
-
- if (test_mempool_xmem_misc() < 0)
- goto err;
-
- /* test the stack handler */
- if (test_mempool_basic(mp_stack, 1) < 0)
- goto err;
-
- rte_mempool_list_dump(stdout);
-
- return 0;
-
-err:
- rte_mempool_free(mp_nocache);
- rte_mempool_free(mp_cache);
- rte_mempool_free(mp_stack);
- return -1;
-}
-
-REGISTER_TEST_COMMAND(mempool_autotest, test_mempool);
git.droids-corp.org / dpdk.git / blobdiff