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-rw-r--r--src/spdk/dpdk/app/test/test_mempool.c668
1 files changed, 668 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test/test_mempool.c b/src/spdk/dpdk/app/test/test_mempool.c
new file mode 100644
index 000000000..084842fda
--- /dev/null
+++ b/src/spdk/dpdk/app/test/test_mempool.c
@@ -0,0 +1,668 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#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_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 <rte_mbuf_pool_ops.h>
+#include <rte_mbuf.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, __rte_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)
+ 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_FREEBSD /* rte_mem_virt2iova() not supported on bsd */
+ printf("get physical address of an object\n");
+ if (rte_mempool_virt2iova(obj) != rte_mem_virt2iova(obj))
+ GOTO_ERR(ret, out);
+#endif
+
+ printf("put the object back\n");
+ rte_mempool_generic_put(mp, &obj, 1, cache);
+ rte_mempool_dump(stdout, mp);
+
+ printf("get 2 objects\n");
+ if (rte_mempool_generic_get(mp, &obj, 1, cache) < 0)
+ GOTO_ERR(ret, out);
+ if (rte_mempool_generic_get(mp, &obj2, 1, cache) < 0) {
+ rte_mempool_generic_put(mp, &obj, 1, cache);
+ GOTO_ERR(ret, out);
+ }
+ rte_mempool_dump(stdout, mp);
+
+ printf("put the objects back\n");
+ rte_mempool_generic_put(mp, &obj, 1, cache);
+ rte_mempool_generic_put(mp, &obj2, 1, cache);
+ 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)
+ 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);
+ }
+
+ 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(__rte_unused void *arg)
+{
+ return test_mempool_single_consumer();
+}
+
+static void
+my_mp_init(struct rte_mempool *mp, __rte_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");
+ ret = -1;
+ goto err;
+ }
+ lcore_next = rte_get_next_lcore(lcore_id, 0, 1);
+ if (lcore_next >= RTE_MAX_LCORE) {
+ ret = -1;
+ goto err;
+ }
+ if (rte_eal_lcore_role(lcore_next) != ROLE_RTE) {
+ ret = -1;
+ goto 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;
+
+err:
+ rte_mempool_free(mp_spsc);
+ mp_spsc = NULL;
+
+ 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;
+}
+
+static void
+walk_cb(struct rte_mempool *mp, void *userdata __rte_unused)
+{
+ printf("\t%s\n", mp->name);
+}
+
+struct mp_data {
+ int16_t ret;
+};
+
+static void
+test_mp_mem_init(struct rte_mempool *mp,
+ __rte_unused void *opaque,
+ __rte_unused struct rte_mempool_memhdr *memhdr,
+ __rte_unused unsigned int mem_idx)
+{
+ struct mp_data *data = opaque;
+
+ if (mp == NULL) {
+ data->ret = -1;
+ return;
+ }
+ /* nothing to be implemented here*/
+ data->ret = 0;
+}
+
+static int
+test_mempool(void)
+{
+ int ret = -1;
+ uint32_t nb_objs = 0;
+ uint32_t nb_mem_chunks = 0;
+ struct rte_mempool *mp_cache = NULL;
+ struct rte_mempool *mp_nocache = NULL;
+ struct rte_mempool *mp_stack_anon = NULL;
+ struct rte_mempool *mp_stack_mempool_iter = NULL;
+ struct rte_mempool *mp_stack = NULL;
+ struct rte_mempool *default_pool = NULL;
+ struct mp_data cb_arg = {
+ .ret = -1
+ };
+ const char *default_pool_ops = rte_mbuf_best_mempool_ops();
+
+ 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(ret, 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(ret, err);
+ }
+
+ /* create an empty mempool */
+ mp_stack_anon = rte_mempool_create_empty("test_stack_anon",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE,
+ RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
+ SOCKET_ID_ANY, 0);
+
+ if (mp_stack_anon == NULL)
+ GOTO_ERR(ret, err);
+
+ /* populate an empty mempool */
+ ret = rte_mempool_populate_anon(mp_stack_anon);
+ printf("%s ret = %d\n", __func__, ret);
+ if (ret < 0)
+ GOTO_ERR(ret, err);
+
+ /* Try to populate when already populated */
+ ret = rte_mempool_populate_anon(mp_stack_anon);
+ if (ret != 0)
+ GOTO_ERR(ret, err);
+
+ /* create a mempool */
+ mp_stack_mempool_iter = rte_mempool_create("test_iter_obj",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE,
+ RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
+ NULL, NULL,
+ my_obj_init, NULL,
+ SOCKET_ID_ANY, 0);
+
+ if (mp_stack_mempool_iter == NULL)
+ GOTO_ERR(ret, err);
+
+ /* test to initialize mempool objects and memory */
+ nb_objs = rte_mempool_obj_iter(mp_stack_mempool_iter, rte_pktmbuf_init,
+ NULL);
+ if (nb_objs == 0)
+ GOTO_ERR(ret, err);
+
+ nb_mem_chunks = rte_mempool_mem_iter(mp_stack_mempool_iter,
+ test_mp_mem_init, &cb_arg);
+ if (nb_mem_chunks == 0 || cb_arg.ret < 0)
+ GOTO_ERR(ret, 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(ret, err);
+ }
+ if (rte_mempool_set_ops_byname(mp_stack, "stack", NULL) < 0) {
+ printf("cannot set stack handler\n");
+ GOTO_ERR(ret, err);
+ }
+ if (rte_mempool_populate_default(mp_stack) < 0) {
+ printf("cannot populate mp_stack mempool\n");
+ GOTO_ERR(ret, err);
+ }
+ rte_mempool_obj_iter(mp_stack, my_obj_init, NULL);
+
+ /* Create a mempool based on Default handler */
+ printf("Testing %s mempool handler\n", default_pool_ops);
+ default_pool = rte_mempool_create_empty("default_pool",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE,
+ RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
+ SOCKET_ID_ANY, 0);
+
+ if (default_pool == NULL) {
+ printf("cannot allocate default mempool\n");
+ GOTO_ERR(ret, err);
+ }
+ if (rte_mempool_set_ops_byname(default_pool,
+ default_pool_ops, NULL) < 0) {
+ printf("cannot set %s handler\n", default_pool_ops);
+ GOTO_ERR(ret, err);
+ }
+ if (rte_mempool_populate_default(default_pool) < 0) {
+ printf("cannot populate %s mempool\n", default_pool_ops);
+ GOTO_ERR(ret, err);
+ }
+ rte_mempool_obj_iter(default_pool, 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(ret, 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(ret, err);
+
+ /* basic tests with cache */
+ if (test_mempool_basic(mp_cache, 0) < 0)
+ GOTO_ERR(ret, err);
+
+ /* basic tests with user-owned cache */
+ if (test_mempool_basic(mp_nocache, 1) < 0)
+ GOTO_ERR(ret, err);
+
+ /* more basic tests without cache */
+ if (test_mempool_basic_ex(mp_nocache) < 0)
+ GOTO_ERR(ret, err);
+
+ /* mempool operation test based on single producer and single comsumer */
+ if (test_mempool_sp_sc() < 0)
+ GOTO_ERR(ret, err);
+
+ if (test_mempool_creation_with_exceeded_cache_size() < 0)
+ GOTO_ERR(ret, err);
+
+ if (test_mempool_same_name_twice_creation() < 0)
+ GOTO_ERR(ret, err);
+
+ /* test the stack handler */
+ if (test_mempool_basic(mp_stack, 1) < 0)
+ GOTO_ERR(ret, err);
+
+ if (test_mempool_basic(default_pool, 1) < 0)
+ GOTO_ERR(ret, err);
+
+ rte_mempool_list_dump(stdout);
+
+ ret = 0;
+
+err:
+ rte_mempool_free(mp_nocache);
+ rte_mempool_free(mp_cache);
+ rte_mempool_free(mp_stack_anon);
+ rte_mempool_free(mp_stack_mempool_iter);
+ rte_mempool_free(mp_stack);
+ rte_mempool_free(default_pool);
+
+ return ret;
+}
+
+REGISTER_TEST_COMMAND(mempool_autotest, test_mempool);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 23:47:26 +0000