-/* number of objects in one bulk operation (get or put) */
-static unsigned n_get_bulk;
-static unsigned n_put_bulk;
-
-/* number of objects retrived from mempool before putting them back */
-static unsigned n_keep;
-
-/* number of enqueues / dequeues */
-struct mempool_test_stats {
- unsigned enq_count;
-} __rte_cache_aligned;
-
-static struct mempool_test_stats stats[RTE_MAX_LCORE];
-
-static int
-per_lcore_mempool_test(__attribute__((unused)) void *arg)
-{
- void *obj_table[MAX_KEEP];
- unsigned i, idx;
- unsigned lcore_id = rte_lcore_id();
- int ret;
- uint64_t start_cycles, end_cycles;
- uint64_t time_diff = 0, hz = rte_get_hpet_hz();
-
- /* n_get_bulk and n_put_bulk must be divisors of n_keep */
- if (((n_keep / n_get_bulk) * n_get_bulk) != n_keep)
- return -1;
- if (((n_keep / n_put_bulk) * n_put_bulk) != n_keep)
- return -1;
-
- stats[lcore_id].enq_count = 0;
-
- /* wait synchro for slaves */
- if (lcore_id != rte_get_master_lcore())
- while (rte_atomic32_read(&synchro) == 0);
-
- start_cycles = rte_get_hpet_cycles();
-
- while (time_diff/hz < TIME_S) {
- for (i = 0; likely(i < (N/n_keep)); i++) {
- /* get n_keep objects by bulk of n_bulk */
- idx = 0;
- while (idx < n_keep) {
- ret = rte_mempool_get_bulk(mp, &obj_table[idx],
- n_get_bulk);
- if (unlikely(ret < 0)) {
- rte_mempool_dump(mp);
- rte_ring_dump(mp->ring);
- /* in this case, objects are lost... */
- return -1;
- }
- idx += n_get_bulk;
- }
-
- /* put the objects back */
- idx = 0;
- while (idx < n_keep) {
- rte_mempool_put_bulk(mp, &obj_table[idx],
- n_put_bulk);
- idx += n_put_bulk;
- }
- }
- end_cycles = rte_get_hpet_cycles();
- time_diff = end_cycles - start_cycles;
- stats[lcore_id].enq_count += N;
- }
-
- return 0;
-}
-
-/* launch all the per-lcore test, and display the result */
-static int
-launch_cores(unsigned cores)
-{
- unsigned lcore_id;
- unsigned rate;
- int ret;
- unsigned cores_save = cores;
-
- rte_atomic32_set(&synchro, 0);
-
- /* reset stats */
- memset(stats, 0, sizeof(stats));
-
- printf("mempool_autotest cache=%u cores=%u n_get_bulk=%u "
- "n_put_bulk=%u n_keep=%u ",
- (unsigned) mp->cache_size, cores, n_get_bulk, n_put_bulk, n_keep);
-
- if (rte_mempool_count(mp) != MEMPOOL_SIZE) {
- printf("mempool is not full\n");
- return -1;
- }
-
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- if (cores == 1)
- break;
- cores--;
- rte_eal_remote_launch(per_lcore_mempool_test,
- NULL, lcore_id);
- }
-
- /* start synchro and launch test on master */
- rte_atomic32_set(&synchro, 1);
-
- ret = per_lcore_mempool_test(NULL);
-
- cores = cores_save;
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- if (cores == 1)
- break;
- cores--;
- if (rte_eal_wait_lcore(lcore_id) < 0)
- ret = -1;
- }
-
- if (ret < 0) {
- printf("per-lcore test returned -1\n");
- return -1;
- }
-
- rate = 0;
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
- rate += (stats[lcore_id].enq_count / TIME_S);
-
- printf("rate_persec=%u\n", rate);
-
- return 0;
-}
-
-/* for a given number of core, launch all test cases */
-static int
-do_one_mempool_test(unsigned cores)
-{
- unsigned bulk_tab_get[] = { 1, 4, 32, 0 };
- unsigned bulk_tab_put[] = { 1, 4, 32, 0 };
- unsigned keep_tab[] = { 32, 128, 0 };
- unsigned *get_bulk_ptr;
- unsigned *put_bulk_ptr;
- unsigned *keep_ptr;
- int ret;
-
- for (get_bulk_ptr = bulk_tab_get; *get_bulk_ptr; get_bulk_ptr++) {
- for (put_bulk_ptr = bulk_tab_put; *put_bulk_ptr; put_bulk_ptr++) {
- for (keep_ptr = keep_tab; *keep_ptr; keep_ptr++) {
-
- n_get_bulk = *get_bulk_ptr;
- n_put_bulk = *put_bulk_ptr;
- n_keep = *keep_ptr;
- ret = launch_cores(cores);
-
- if (ret < 0)
- return -1;
- }
- }
- }
- return 0;
-}
-
-