X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=app%2Ftest%2Ftest_mempool_perf.c;h=4fac04cd06f761214214ba0a2532c325b32c1d1b;hb=refs%2Fchanges%2F69%2F1869%2F1;hp=cdc02a007ca8c37733e591ff37f51301b3427f8f;hpb=97f17497d162afdb82c8704bf097f0fee3724b2e;p=deb_dpdk.git diff --git a/app/test/test_mempool_perf.c b/app/test/test_mempool_perf.c index cdc02a00..4fac04cd 100644 --- a/app/test/test_mempool_perf.c +++ b/app/test/test_mempool_perf.c @@ -78,6 +78,9 @@ * - One core without cache * - Two cores without cache * - Max. cores without cache + * - One core with user-owned cache + * - Two cores with user-owned cache + * - Max. cores with user-owned cache * * - Bulk size (*n_get_bulk*, *n_put_bulk*) * @@ -96,8 +99,21 @@ #define MAX_KEEP 128 #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 struct rte_mempool *mp; static struct rte_mempool *mp_cache, *mp_nocache; +static int use_external_cache; +static unsigned external_cache_size = RTE_MEMPOOL_CACHE_MAX_SIZE; static rte_atomic32_t synchro; @@ -110,7 +126,7 @@ static unsigned n_keep; /* number of enqueues / dequeues */ struct mempool_test_stats { - unsigned enq_count; + uint64_t enq_count; } __rte_cache_aligned; static struct mempool_test_stats stats[RTE_MAX_LCORE]; @@ -134,15 +150,27 @@ per_lcore_mempool_test(__attribute__((unused)) void *arg) void *obj_table[MAX_KEEP]; unsigned i, idx; unsigned lcore_id = rte_lcore_id(); - int ret; + int ret = 0; uint64_t start_cycles, end_cycles; uint64_t time_diff = 0, hz = rte_get_timer_hz(); + struct rte_mempool_cache *cache; + + if (use_external_cache) { + /* Create a user-owned mempool cache. */ + cache = rte_mempool_cache_create(external_cache_size, + SOCKET_ID_ANY); + if (cache == NULL) + RET_ERR(); + } else { + /* May be NULL if cache is disabled. */ + cache = rte_mempool_default_cache(mp, lcore_id); + } /* 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; + GOTO_ERR(ret, out); if (((n_keep / n_put_bulk) * n_put_bulk) != n_keep) - return -1; + GOTO_ERR(ret, out); stats[lcore_id].enq_count = 0; @@ -157,13 +185,14 @@ per_lcore_mempool_test(__attribute__((unused)) void *arg) /* 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); + ret = rte_mempool_generic_get(mp, + &obj_table[idx], + n_get_bulk, + cache, 0); if (unlikely(ret < 0)) { rte_mempool_dump(stdout, mp); - rte_ring_dump(stdout, mp->ring); /* in this case, objects are lost... */ - return -1; + GOTO_ERR(ret, out); } idx += n_get_bulk; } @@ -171,8 +200,9 @@ per_lcore_mempool_test(__attribute__((unused)) void *arg) /* put the objects back */ idx = 0; while (idx < n_keep) { - rte_mempool_put_bulk(mp, &obj_table[idx], - n_put_bulk); + rte_mempool_generic_put(mp, &obj_table[idx], + n_put_bulk, + cache, 0); idx += n_put_bulk; } } @@ -181,7 +211,13 @@ per_lcore_mempool_test(__attribute__((unused)) void *arg) stats[lcore_id].enq_count += N; } - return 0; +out: + if (use_external_cache) { + rte_mempool_cache_flush(cache, mp); + rte_mempool_cache_free(cache); + } + + return ret; } /* launch all the per-lcore test, and display the result */ @@ -189,7 +225,7 @@ static int launch_cores(unsigned cores) { unsigned lcore_id; - unsigned rate; + uint64_t rate; int ret; unsigned cores_save = cores; @@ -200,9 +236,11 @@ launch_cores(unsigned cores) 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); + use_external_cache ? + external_cache_size : (unsigned) mp->cache_size, + cores, n_get_bulk, n_put_bulk, n_keep); - if (rte_mempool_count(mp) != MEMPOOL_SIZE) { + if (rte_mempool_avail_count(mp) != MEMPOOL_SIZE) { printf("mempool is not full\n"); return -1; } @@ -238,7 +276,7 @@ launch_cores(unsigned cores) 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); + printf("rate_persec=%" PRIu64 "\n", rate); return 0; } @@ -315,6 +353,20 @@ test_mempool_perf(void) printf("start performance test (with cache)\n"); mp = mp_cache; + if (do_one_mempool_test(1) < 0) + return -1; + + if (do_one_mempool_test(2) < 0) + return -1; + + if (do_one_mempool_test(rte_lcore_count()) < 0) + return -1; + + /* performance test with 1, 2 and max cores */ + printf("start performance test (with user-owned cache)\n"); + mp = mp_nocache; + use_external_cache = 1; + if (do_one_mempool_test(1) < 0) return -1;