X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_barrier.c;h=43b5f6232c6d99fdeba99d34d77ee098e388171e;hb=bd164530ecb04c1a7e9c7680f9e9ab374bbe0a75;hp=c219d56020f32ba483fbcb55da210918b5d3f751;hpb=834e4896a5a24d8fae72e9ad3f83bac2a537f8b8;p=dpdk.git diff --git a/app/test/test_barrier.c b/app/test/test_barrier.c index c219d56020..43b5f6232c 100644 --- a/app/test/test_barrier.c +++ b/app/test/test_barrier.c @@ -55,8 +55,8 @@ struct plock { */ struct plock_test { struct plock lock; - uint32_t val; - uint32_t iter; + uint64_t val; + uint64_t iter; }; /* @@ -65,8 +65,8 @@ struct plock_test { */ struct lcore_plock_test { struct plock_test *pt[2]; /* shared, lock-protected data */ - uint32_t sum[2]; /* local copy of the shared data */ - uint32_t iter; /* number of iterations to perfom */ + uint64_t sum[2]; /* local copy of the shared data */ + uint64_t iter; /* number of iterations to perfom */ uint32_t lc; /* given lcore id */ }; @@ -92,12 +92,14 @@ plock_lock(struct plock *l, uint32_t self) other = self ^ 1; l->flag[self] = 1; + rte_smp_wmb(); l->victim = self; store_load_barrier(l->utype); while (l->flag[other] == 1 && l->victim == self) rte_pause(); + rte_smp_rmb(); } static void @@ -130,7 +132,8 @@ static int plock_test1_lcore(void *data) { uint64_t tm; - uint32_t i, lc, ln, n; + uint32_t lc, ln; + uint64_t i, n; struct lcore_plock_test *lpt; lpt = data; @@ -166,9 +169,9 @@ plock_test1_lcore(void *data) tm = rte_get_timer_cycles() - tm; - printf("%s(%u): %u iterations finished, in %" PRIu64 + printf("%s(%u): %" PRIu64 " iterations finished, in %" PRIu64 " cycles, %#Lf cycles/iteration, " - "local sum={%u, %u}\n", + "local sum={%" PRIu64 ", %" PRIu64 "}\n", __func__, lc, i, tm, (long double)tm / i, lpt->sum[0], lpt->sum[1]); return 0; @@ -184,11 +187,11 @@ plock_test1_lcore(void *data) * and local data are the same. */ static int -plock_test(uint32_t iter, enum plock_use_type utype) +plock_test(uint64_t iter, enum plock_use_type utype) { int32_t rc; uint32_t i, lc, n; - uint32_t *sum; + uint64_t *sum; struct plock_test *pt; struct lcore_plock_test *lpt; @@ -199,10 +202,10 @@ plock_test(uint32_t iter, enum plock_use_type utype) lpt = calloc(n, sizeof(*lpt)); sum = calloc(n + 1, sizeof(*sum)); - printf("%s(iter=%u, utype=%u) started on %u lcores\n", + printf("%s(iter=%" PRIu64 ", utype=%u) started on %u lcores\n", __func__, iter, utype, n); - if (pt == NULL || lpt == NULL) { + if (pt == NULL || lpt == NULL || sum == NULL) { printf("%s: failed to allocate memory for %u lcores\n", __func__, n); free(pt); @@ -247,7 +250,7 @@ plock_test(uint32_t iter, enum plock_use_type utype) rc = 0; for (i = 0; i != n; i++) { - printf("%s: sum[%u]=%u, pt[%u].val=%u, pt[%u].iter=%u;\n", + printf("%s: sum[%u]=%" PRIu64 ", pt[%u].val=%" PRIu64 ", pt[%u].iter=%" PRIu64 ";\n", __func__, i, sum[i], i, pt[i].val, i, pt[i].iter); /* race condition occurred, lock doesn't work properly */