4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 #include <sys/queue.h>
43 #include <rte_common.h>
45 #include <rte_debug.h>
46 #include <rte_memory.h>
47 #include <rte_memzone.h>
48 #include <rte_launch.h>
49 #include <rte_cycles.h>
51 #include <rte_per_lcore.h>
52 #include <rte_lcore.h>
53 #include <rte_atomic.h>
54 #include <rte_branch_prediction.h>
56 #include <rte_mempool.h>
57 #include <rte_spinlock.h>
58 #include <rte_malloc.h>
66 * Basic tests: done on one core with and without cache:
68 * - Get one object, put one object
69 * - Get two objects, put two objects
70 * - Get all objects, test that their content is not modified and
71 * put them back in the pool.
76 #define MEMPOOL_ELT_SIZE 2048
78 #define MEMPOOL_SIZE ((rte_lcore_count()*(MAX_KEEP+RTE_MEMPOOL_CACHE_MAX_SIZE))-1)
80 static struct rte_mempool *mp;
81 static struct rte_mempool *mp_cache, *mp_nocache;
83 static rte_atomic32_t synchro;
88 * save the object number in the first 4 bytes of object data. All
89 * other bytes are set to 0.
92 my_obj_init(struct rte_mempool *mp, __attribute__((unused)) void *arg,
93 void *obj, unsigned i)
95 uint32_t *objnum = obj;
96 memset(obj, 0, mp->elt_size);
100 /* basic tests (done on one core) */
102 test_mempool_basic(void)
111 /* dump the mempool status */
112 rte_mempool_dump(stdout, mp);
114 printf("get an object\n");
115 if (rte_mempool_get(mp, &obj) < 0)
117 rte_mempool_dump(stdout, mp);
119 /* tests that improve coverage */
120 printf("get object count\n");
121 if (rte_mempool_count(mp) != MEMPOOL_SIZE - 1)
124 printf("get private data\n");
125 if (rte_mempool_get_priv(mp) !=
126 (char*) mp + MEMPOOL_HEADER_SIZE(mp, mp->pg_num))
129 printf("get physical address of an object\n");
130 if (MEMPOOL_IS_CONTIG(mp) &&
131 rte_mempool_virt2phy(mp, obj) !=
132 (phys_addr_t) (mp->phys_addr +
133 (phys_addr_t) ((char*) obj - (char*) mp)))
136 printf("put the object back\n");
137 rte_mempool_put(mp, obj);
138 rte_mempool_dump(stdout, mp);
140 printf("get 2 objects\n");
141 if (rte_mempool_get(mp, &obj) < 0)
143 if (rte_mempool_get(mp, &obj2) < 0) {
144 rte_mempool_put(mp, obj);
147 rte_mempool_dump(stdout, mp);
149 printf("put the objects back\n");
150 rte_mempool_put(mp, obj);
151 rte_mempool_put(mp, obj2);
152 rte_mempool_dump(stdout, mp);
155 * get many objects: we cannot get them all because the cache
156 * on other cores may not be empty.
158 objtable = malloc(MEMPOOL_SIZE * sizeof(void *));
159 if (objtable == NULL) {
163 for (i=0; i<MEMPOOL_SIZE; i++) {
164 if (rte_mempool_get(mp, &objtable[i]) < 0)
169 * for each object, check that its content was not modified,
170 * and put objects back in pool
176 if (*objnum > MEMPOOL_SIZE) {
177 printf("bad object number\n");
181 for (j=sizeof(*objnum); j<mp->elt_size; j++) {
182 if (obj_data[j] != 0)
186 rte_mempool_put(mp, objtable[i]);
191 printf("objects were modified!\n");
196 static int test_mempool_creation_with_exceeded_cache_size(void)
198 struct rte_mempool *mp_cov;
200 mp_cov = rte_mempool_create("test_mempool_creation_with_exceeded_cache_size", MEMPOOL_SIZE,
202 RTE_MEMPOOL_CACHE_MAX_SIZE + 32, 0,
213 static struct rte_mempool *mp_spsc;
214 static rte_spinlock_t scsp_spinlock;
215 static void *scsp_obj_table[MAX_KEEP];
218 * single producer function
220 static int test_mempool_single_producer(void)
224 uint64_t start_cycles, end_cycles;
225 uint64_t duration = rte_get_timer_hz() * 8;
227 start_cycles = rte_get_timer_cycles();
229 end_cycles = rte_get_timer_cycles();
230 /* duration uses up, stop producing */
231 if (start_cycles + duration < end_cycles)
233 rte_spinlock_lock(&scsp_spinlock);
234 for (i = 0; i < MAX_KEEP; i ++) {
235 if (NULL != scsp_obj_table[i]) {
236 obj = scsp_obj_table[i];
240 rte_spinlock_unlock(&scsp_spinlock);
244 if (rte_mempool_from_obj(obj) != mp_spsc) {
245 printf("test_mempool_single_producer there is an obj not owned by this mempool\n");
248 rte_mempool_sp_put(mp_spsc, obj);
249 rte_spinlock_lock(&scsp_spinlock);
250 scsp_obj_table[i] = NULL;
251 rte_spinlock_unlock(&scsp_spinlock);
258 * single consumer function
260 static int test_mempool_single_consumer(void)
264 uint64_t start_cycles, end_cycles;
265 uint64_t duration = rte_get_timer_hz() * 5;
267 start_cycles = rte_get_timer_cycles();
269 end_cycles = rte_get_timer_cycles();
270 /* duration uses up, stop consuming */
271 if (start_cycles + duration < end_cycles)
273 rte_spinlock_lock(&scsp_spinlock);
274 for (i = 0; i < MAX_KEEP; i ++) {
275 if (NULL == scsp_obj_table[i])
278 rte_spinlock_unlock(&scsp_spinlock);
281 if (rte_mempool_sc_get(mp_spsc, &obj) < 0)
283 rte_spinlock_lock(&scsp_spinlock);
284 scsp_obj_table[i] = obj;
285 rte_spinlock_unlock(&scsp_spinlock);
292 * test function for mempool test based on singple consumer and single producer, can run on one lcore only
294 static int test_mempool_launch_single_consumer(__attribute__((unused)) void *arg)
296 return test_mempool_single_consumer();
299 static void my_mp_init(struct rte_mempool * mp, __attribute__((unused)) void * arg)
301 printf("mempool name is %s\n", mp->name);
302 /* nothing to be implemented here*/
307 * it tests the mempool operations based on singple producer and single consumer
310 test_mempool_sp_sc(void)
313 unsigned lcore_id = rte_lcore_id();
316 /* create a mempool with single producer/consumer ring */
317 if (NULL == mp_spsc) {
318 mp_spsc = rte_mempool_create("test_mempool_sp_sc", MEMPOOL_SIZE,
319 MEMPOOL_ELT_SIZE, 0, 0,
322 SOCKET_ID_ANY, MEMPOOL_F_NO_CACHE_ALIGN | MEMPOOL_F_SP_PUT | MEMPOOL_F_SC_GET);
323 if (NULL == mp_spsc) {
327 if (rte_mempool_lookup("test_mempool_sp_sc") != mp_spsc) {
328 printf("Cannot lookup mempool from its name\n");
331 lcore_next = rte_get_next_lcore(lcore_id, 0, 1);
332 if (RTE_MAX_LCORE <= lcore_next)
334 if (rte_eal_lcore_role(lcore_next) != ROLE_RTE)
336 rte_spinlock_init(&scsp_spinlock);
337 memset(scsp_obj_table, 0, sizeof(scsp_obj_table));
338 rte_eal_remote_launch(test_mempool_launch_single_consumer, NULL, lcore_next);
339 if(test_mempool_single_producer() < 0)
342 if(rte_eal_wait_lcore(lcore_next) < 0)
349 * it tests some more basic of mempool
352 test_mempool_basic_ex(struct rte_mempool * mp)
362 obj = rte_calloc("test_mempool_basic_ex", MEMPOOL_SIZE , sizeof(void *), 0);
364 printf("test_mempool_basic_ex fail to rte_malloc\n");
367 printf("test_mempool_basic_ex now mempool (%s) has %u free entries\n", mp->name, rte_mempool_free_count(mp));
368 if (rte_mempool_full(mp) != 1) {
369 printf("test_mempool_basic_ex the mempool is not full but it should be\n");
370 goto fail_mp_basic_ex;
373 for (i = 0; i < MEMPOOL_SIZE; i ++) {
374 if (rte_mempool_mc_get(mp, &obj[i]) < 0) {
375 printf("fail_mp_basic_ex fail to get mempool object for [%u]\n", i);
376 goto fail_mp_basic_ex;
379 if (rte_mempool_mc_get(mp, &err_obj) == 0) {
380 printf("test_mempool_basic_ex get an impossible obj from mempool\n");
381 goto fail_mp_basic_ex;
383 printf("number: %u\n", i);
384 if (rte_mempool_empty(mp) != 1) {
385 printf("test_mempool_basic_ex the mempool is not empty but it should be\n");
386 goto fail_mp_basic_ex;
389 for (i = 0; i < MEMPOOL_SIZE; i ++) {
390 rte_mempool_mp_put(mp, obj[i]);
392 if (rte_mempool_full(mp) != 1) {
393 printf("test_mempool_basic_ex the mempool is not full but it should be\n");
394 goto fail_mp_basic_ex;
401 rte_free((void *)obj);
407 test_mempool_same_name_twice_creation(void)
409 struct rte_mempool *mp_tc;
411 mp_tc = rte_mempool_create("test_mempool_same_name_twice_creation", MEMPOOL_SIZE,
412 MEMPOOL_ELT_SIZE, 0, 0,
419 mp_tc = rte_mempool_create("test_mempool_same_name_twice_creation", MEMPOOL_SIZE,
420 MEMPOOL_ELT_SIZE, 0, 0,
431 * BAsic test for mempool_xmem functions.
434 test_mempool_xmem_misc(void)
436 uint32_t elt_num, total_size;
441 total_size = rte_mempool_calc_obj_size(MEMPOOL_ELT_SIZE, 0, NULL);
442 sz = rte_mempool_xmem_size(elt_num, total_size, MEMPOOL_PG_SHIFT_MAX);
444 usz = rte_mempool_xmem_usage(NULL, elt_num, total_size, 0, 1,
445 MEMPOOL_PG_SHIFT_MAX);
447 if(sz != (size_t)usz) {
448 printf("failure @ %s: rte_mempool_xmem_usage(%u, %u) "
449 "returns: %#zx, while expected: %#zx;\n",
450 __func__, elt_num, total_size, sz, (size_t)usz);
460 rte_atomic32_init(&synchro);
462 /* create a mempool (without cache) */
463 if (mp_nocache == NULL)
464 mp_nocache = rte_mempool_create("test_nocache", MEMPOOL_SIZE,
465 MEMPOOL_ELT_SIZE, 0, 0,
469 if (mp_nocache == NULL)
472 /* create a mempool (with cache) */
473 if (mp_cache == NULL)
474 mp_cache = rte_mempool_create("test_cache", MEMPOOL_SIZE,
476 RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
480 if (mp_cache == NULL)
484 /* retrieve the mempool from its name */
485 if (rte_mempool_lookup("test_nocache") != mp_nocache) {
486 printf("Cannot lookup mempool from its name\n");
490 rte_mempool_list_dump(stdout);
492 /* basic tests without cache */
494 if (test_mempool_basic() < 0)
497 /* basic tests with cache */
499 if (test_mempool_basic() < 0)
502 /* more basic tests without cache */
503 if (test_mempool_basic_ex(mp_nocache) < 0)
506 /* mempool operation test based on single producer and single comsumer */
507 if (test_mempool_sp_sc() < 0)
510 if (test_mempool_creation_with_exceeded_cache_size() < 0)
513 if (test_mempool_same_name_twice_creation() < 0)
516 if (test_mempool_xmem_misc() < 0)
519 rte_mempool_list_dump(stdout);
524 static struct test_command mempool_cmd = {
525 .command = "mempool_autotest",
526 .callback = test_mempool,
528 REGISTER_TEST_COMMAND(mempool_cmd);