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36 #include <rte_cycles.h>
38 #include <rte_hash_crc.h>
39 #include <rte_launch.h>
40 #include <rte_malloc.h>
41 #include <rte_random.h>
42 #include <rte_spinlock.h>
47 * Check condition and return an error if true. Assumes that "handle" is the
48 * name of the hash structure pointer to be freed.
50 #define RETURN_IF_ERROR(cond, str, ...) do { \
52 printf("ERROR line %d: " str "\n", __LINE__, \
55 rte_hash_free(handle); \
60 #define RTE_APP_TEST_HASH_MULTIWRITER_FAILED 0
65 uint32_t nb_tsx_insertion;
67 } tbl_multiwriter_test_params;
69 const uint32_t nb_entries = 16*1024*1024;
70 const uint32_t nb_total_tsx_insertion = 15*1024*1024;
71 uint32_t rounded_nb_total_tsx_insertion;
73 static rte_atomic64_t gcycles;
74 static rte_atomic64_t ginsertions;
79 test_hash_multiwriter_worker(__attribute__((unused)) void *arg)
82 uint32_t lcore_id = rte_lcore_id();
83 uint64_t begin, cycles;
85 offset = (lcore_id - rte_get_master_lcore())
86 * tbl_multiwriter_test_params.nb_tsx_insertion;
88 printf("Core #%d inserting %d: %'"PRId64" - %'"PRId64"\n",
89 lcore_id, tbl_multiwriter_test_params.nb_tsx_insertion,
90 offset, offset + tbl_multiwriter_test_params.nb_tsx_insertion);
92 begin = rte_rdtsc_precise();
95 i < offset + tbl_multiwriter_test_params.nb_tsx_insertion;
97 if (rte_hash_add_key(tbl_multiwriter_test_params.h,
98 tbl_multiwriter_test_params.keys + i) < 0)
102 cycles = rte_rdtsc_precise() - begin;
103 rte_atomic64_add(&gcycles, cycles);
104 rte_atomic64_add(&ginsertions, i - offset);
106 for (; i < offset + tbl_multiwriter_test_params.nb_tsx_insertion; i++)
107 tbl_multiwriter_test_params.keys[i]
108 = RTE_APP_TEST_HASH_MULTIWRITER_FAILED;
115 test_hash_multiwriter(void)
117 unsigned int i, rounded_nb_total_tsx_insertion;
118 static unsigned calledCount = 1;
123 struct rte_hash_parameters hash_params = {
124 .entries = nb_entries,
125 .key_len = sizeof(uint32_t),
126 .hash_func = rte_hash_crc,
127 .hash_func_init_val = 0,
128 .socket_id = rte_socket_id(),
131 hash_params.extra_flag =
132 RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT
133 | RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD;
135 hash_params.extra_flag =
136 RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD;
138 struct rte_hash *handle;
139 char name[RTE_HASH_NAMESIZE];
141 const void *next_key;
145 uint32_t duplicated_keys = 0;
146 uint32_t lost_keys = 0;
148 snprintf(name, 32, "test%u", calledCount++);
149 hash_params.name = name;
151 handle = rte_hash_create(&hash_params);
152 RETURN_IF_ERROR(handle == NULL, "hash creation failed");
154 tbl_multiwriter_test_params.h = handle;
155 tbl_multiwriter_test_params.nb_tsx_insertion =
156 nb_total_tsx_insertion / rte_lcore_count();
158 rounded_nb_total_tsx_insertion = (nb_total_tsx_insertion /
159 tbl_multiwriter_test_params.nb_tsx_insertion)
160 * tbl_multiwriter_test_params.nb_tsx_insertion;
162 rte_srand(rte_rdtsc());
164 keys = rte_malloc(NULL, sizeof(uint32_t) * nb_entries, 0);
167 printf("RTE_MALLOC failed\n");
171 found = rte_zmalloc(NULL, sizeof(uint32_t) * nb_entries, 0);
173 printf("RTE_ZMALLOC failed\n");
177 for (i = 0; i < nb_entries; i++)
180 tbl_multiwriter_test_params.keys = keys;
181 tbl_multiwriter_test_params.found = found;
183 rte_atomic64_init(&gcycles);
184 rte_atomic64_clear(&gcycles);
186 rte_atomic64_init(&ginsertions);
187 rte_atomic64_clear(&ginsertions);
189 /* Fire all threads. */
190 rte_eal_mp_remote_launch(test_hash_multiwriter_worker,
192 rte_eal_mp_wait_lcore();
194 while (rte_hash_iterate(handle, &next_key, &next_data, &iter) >= 0) {
195 /* Search for the key in the list of keys added .*/
196 i = *(const uint32_t *)next_key;
197 tbl_multiwriter_test_params.found[i]++;
200 for (i = 0; i < rounded_nb_total_tsx_insertion; i++) {
201 if (tbl_multiwriter_test_params.keys[i]
202 != RTE_APP_TEST_HASH_MULTIWRITER_FAILED) {
203 if (tbl_multiwriter_test_params.found[i] > 1) {
207 if (tbl_multiwriter_test_params.found[i] == 0) {
209 printf("key %d is lost\n", i);
215 if (duplicated_keys > 0) {
216 printf("%d key duplicated\n", duplicated_keys);
221 printf("%d key lost\n", lost_keys);
225 printf("No key corrupted during multiwriter insertion.\n");
227 unsigned long long int cycles_per_insertion =
228 rte_atomic64_read(&gcycles)/
229 rte_atomic64_read(&ginsertions);
231 printf(" cycles per insertion: %llu\n", cycles_per_insertion);
233 rte_free(tbl_multiwriter_test_params.found);
234 rte_free(tbl_multiwriter_test_params.keys);
235 rte_hash_free(handle);
239 rte_free(tbl_multiwriter_test_params.found);
241 rte_free(tbl_multiwriter_test_params.keys);
243 rte_hash_free(handle);
248 test_hash_multiwriter_main(void)
250 if (rte_lcore_count() == 1) {
251 printf("More than one lcore is required to do multiwriter test\n");
256 setlocale(LC_NUMERIC, "");
259 if (!rte_tm_supported()) {
260 printf("Hardware transactional memory (lock elision) "
261 "is NOT supported\n");
263 printf("Hardware transactional memory (lock elision) "
266 printf("Test multi-writer with Hardware transactional memory\n");
269 if (test_hash_multiwriter() < 0)
273 printf("Test multi-writer without Hardware transactional memory\n");
275 if (test_hash_multiwriter() < 0)
281 REGISTER_TEST_COMMAND(hash_multiwriter_autotest, test_hash_multiwriter_main);