Signed-off-by: David Hunt <david.hunt at intel.com>
---
app/test/Makefile | 1 +
app/test/test_ext_mempool.c | 474 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 475 insertions(+)
create mode 100644 app/test/test_ext_mempool.c
diff --git a/app/test/Makefile b/app/test/Makefile
index ec33e1a..9a2f75f 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -74,6 +74,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_TIMER) += test_timer_perf.c
SRCS-$(CONFIG_RTE_LIBRTE_TIMER) += test_timer_racecond.c
SRCS-y += test_mempool.c
+SRCS-y += test_ext_mempool.c
SRCS-y += test_mempool_perf.c
SRCS-y += test_mbuf.c
diff --git a/app/test/test_ext_mempool.c b/app/test/test_ext_mempool.c
new file mode 100644
index 0000000..b434f8b
--- /dev/null
+++ b/app/test/test_ext_mempool.c
@@ -0,0 +1,474 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2016 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>
+
+#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 TIME_S 5
+#define MEMPOOL_ELT_SIZE 2048
+#define MAX_KEEP 128
+#define MEMPOOL_SIZE 8192
+
+static struct rte_mempool *mp;
+static struct rte_mempool *ext_nocache, *ext_cache;
+
+static rte_atomic32_t synchro;
+
+/*
+ * For our tests, we use the following struct to pass info to our create
+ * callback so it can call rte_mempool_create
+ */
+struct custom_mempool_alloc_params {
+ char ring_name[RTE_RING_NAMESIZE];
+ unsigned n_elt;
+ unsigned elt_size;
+};
+
+/*
+ * Simple example of custom mempool structure. Holds pointers to all the
+ * elements which are simply malloc'd in this example.
+ */
+struct custom_mempool {
+ struct rte_ring *r; /* Ring to manage elements */
+ void *elements[MEMPOOL_SIZE]; /* Element pointers */
+};
+
+/*
+ * 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;
+ printf("Setting objnum to %d\n", i);
+}
+
+/* basic tests (done on one core) */
+static int
+test_mempool_basic(void)
+{
+ uint32_t *objnum;
+ void **objtable;
+ void *obj, *obj2;
+ char *obj_data;
+ int ret = 0;
+ unsigned i, j;
+
+ /* dump the mempool status */
+ rte_mempool_dump(stdout, mp);
+
+ printf("Count = %d\n", rte_mempool_count(mp));
+ printf("get an object\n");
+ if (rte_mempool_get(mp, &obj) < 0) {
+ printf("get Failed\n");
+ return -1;
+ }
+ printf("Count = %d\n", rte_mempool_count(mp));
+ rte_mempool_dump(stdout, mp);
+
+ /* tests that improve coverage */
+ printf("get object count\n");
+ if (rte_mempool_count(mp) != MEMPOOL_SIZE - 1)
+ return -1;
+
+ printf("get private data\n");
+ if (rte_mempool_get_priv(mp) !=
+ (char *) mp + MEMPOOL_HEADER_SIZE(mp, mp->pg_num))
+ return -1;
+
+ printf("get physical address of an object\n");
+ if (MEMPOOL_IS_CONTIG(mp) &&
+ rte_mempool_virt2phy(mp, obj) !=
+ (phys_addr_t) (mp->phys_addr +
+ (phys_addr_t) ((char *) obj - (char *) mp)))
+ return -1;
+
+ printf("put the object back\n");
+ rte_mempool_put(mp, obj);
+ rte_mempool_dump(stdout, mp);
+
+ printf("get 2 objects\n");
+ if (rte_mempool_get(mp, &obj) < 0)
+ return -1;
+ if (rte_mempool_get(mp, &obj2) < 0) {
+ rte_mempool_put(mp, obj);
+ return -1;
+ }
+ rte_mempool_dump(stdout, mp);
+
+ printf("put the objects back\n");
+ rte_mempool_put(mp, obj);
+ rte_mempool_put(mp, obj2);
+ 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)
+ return -1;
+
+ for (i = 0; i < MEMPOOL_SIZE; i++) {
+ if (rte_mempool_get(mp, &objtable[i]) < 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_put(mp, objtable[i]);
+ }
+
+ free(objtable);
+ if (ret == -1)
+ printf("objects were modified!\n");
+
+ return ret;
+}
+
+static int test_mempool_creation_with_exceeded_cache_size(void)
+{
+ struct rte_mempool *mp_cov;
+
+ mp_cov = rte_mempool_create("test_mempool_creation_exceeded_cache_size",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE,
+ RTE_MEMPOOL_CACHE_MAX_SIZE + 32,
+ 0,
+ NULL, NULL,
+ my_obj_init, NULL,
+ SOCKET_ID_ANY, 0);
+ if (NULL != mp_cov)
+ return -1;
+
+ return 0;
+}
+
+/*
+ * 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_free_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_mc_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_mc_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_mp_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_tc = rte_mempool_create("test_mempool_same_name_twice_creation",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE, 0, 0,
+ NULL, NULL,
+ NULL, NULL,
+ SOCKET_ID_ANY, 0);
+ if (NULL == mp_tc)
+ return -1;
+
+ mp_tc = rte_mempool_create("test_mempool_same_name_twice_creation",
+ MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE, 0, 0,
+ NULL, NULL,
+ NULL, NULL,
+ SOCKET_ID_ANY, 0);
+ if (NULL != mp_tc)
+ return -1;
+
+ 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 int
+test_ext_mempool(void)
+{
+ int16_t handler_idx;
+
+ rte_atomic32_init(&synchro);
+
+
+ handler_idx = rte_get_mempool_handler("ring_mp_mc");
+ if (handler_idx < 0) {
+ printf("could not find ring_mp_mc mempool manager\n");
+ return -1;
+ }
+
+ handler_idx = rte_get_mempool_handler("ring_sp_sc");
+ if (handler_idx < 0) {
+ printf("could not find ring_sp_sc mempool manager\n");
+ return -1;
+ }
+
+ handler_idx = rte_get_mempool_handler("ring_mp_sc");
+ if (handler_idx < 0) {
+ printf("could not find ring_mp_sc mempool manager\n");
+ return -1;
+ }
+
+ handler_idx = rte_get_mempool_handler("ring_sp_mc");
+ if (handler_idx < 0) {
+ printf("could not find ring_sp_mc mempool manager\n");
+ return -1;
+ }
+
+ handler_idx = rte_get_mempool_handler("stack");
+ if (handler_idx < 0) {
+ printf("could not find stack mempool manager\n");
+ return -1;
+ }
+
+ handler_idx = rte_get_mempool_handler("custom_handler");
+ if (handler_idx < 0) {
+ printf("could not find custom_handler mempool manager\n");
+ return -1;
+ }
+
+ /* create an external mempool (without cache) */
+ if (ext_nocache == NULL)
+ ext_nocache = rte_mempool_create_ext(
+ "ext_nocache", /* Name */
+ MEMPOOL_SIZE, /* Number of Elements */
+ MEMPOOL_ELT_SIZE, /* Element size */
+ 0, /* Cache Size */
+ 0, /* Private Data size */
+ NULL, NULL, NULL, NULL,
+ 0, /* socket_id */
+ 0, /* flags */
+ "custom_handler"
+ );
+ if (ext_nocache == NULL)
+ return -1;
+
+ /* create an external mempool (with cache) */
+ if (ext_cache == NULL)
+ ext_cache = rte_mempool_create_ext(
+ "ext_cache", /* Name */
+ MEMPOOL_SIZE, /* Number of Elements */
+ MEMPOOL_ELT_SIZE, /* Element size */
+ 16, /* Cache Size */
+ 0, /* Private Data size */
+ NULL, NULL, NULL, NULL,
+ 0, /* socket_id */
+ 0, /* flags */
+ "custom_handler"
+ );
+ if (ext_cache == NULL)
+ return -1;
+
+ /* retrieve the mempool from its name */
+ if (rte_mempool_lookup("ext_nocache") != ext_nocache) {
+ printf("Cannot lookup mempool from its name\n");
+ return -1;
+ }
+ /* retrieve the mempool from its name */
+ if (rte_mempool_lookup("ext_cache") != ext_cache) {
+ printf("Cannot lookup mempool from its name\n");
+ return -1;
+ }
+
+ rte_mempool_list_dump(stdout);
+
+ printf("Running basic tests\n");
+ /* basic tests without cache */
+ mp = ext_nocache;
+ if (test_mempool_basic() < 0)
+ return -1;
+
+ /* basic tests with cache */
+ mp = ext_cache;
+ if (test_mempool_basic() < 0)
+ return -1;
+
+ /* more basic tests without cache */
+ if (test_mempool_basic_ex(ext_nocache) < 0)
+ return -1;
+
+ if (test_mempool_creation_with_exceeded_cache_size() < 0)
+ return -1;
+
+ if (test_mempool_same_name_twice_creation() < 0)
+ return -1;
+ return 0;
+
+ if (test_mempool_xmem_misc() < 0)
+ return -1;
+
+ rte_mempool_list_dump(stdout);
+
+ return 0;
+}
+
+static struct test_command mempool_cmd = {
+ .command = "ext_mempool_autotest",
+ .callback = test_ext_mempool,
+};
+REGISTER_TEST_COMMAND(mempool_cmd);
--
1.9.3
