--- /dev/null
+/*
+ * BSD LICENSE
+ *
+ * Copyright (C) Cavium, Inc 2017.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Cavium, Inc nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "test_perf_common.h"
+
+int
+perf_test_result(struct evt_test *test, struct evt_options *opt)
+{
+ RTE_SET_USED(opt);
+ struct test_perf *t = evt_test_priv(test);
+
+ return t->result;
+}
+
+static inline int
+perf_producer(void *arg)
+{
+ struct prod_data *p = arg;
+ struct test_perf *t = p->t;
+ struct evt_options *opt = t->opt;
+ const uint8_t dev_id = p->dev_id;
+ const uint8_t port = p->port_id;
+ struct rte_mempool *pool = t->pool;
+ const uint64_t nb_pkts = t->nb_pkts;
+ const uint32_t nb_flows = t->nb_flows;
+ uint32_t flow_counter = 0;
+ uint64_t count = 0;
+ struct perf_elt *m;
+ struct rte_event ev;
+
+ if (opt->verbose_level > 1)
+ printf("%s(): lcore %d dev_id %d port=%d queue %d\n", __func__,
+ rte_lcore_id(), dev_id, port, p->queue_id);
+
+ ev.event = 0;
+ ev.op = RTE_EVENT_OP_NEW;
+ ev.queue_id = p->queue_id;
+ ev.sched_type = t->opt->sched_type_list[0];
+ ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
+ ev.event_type = RTE_EVENT_TYPE_CPU;
+ ev.sub_event_type = 0; /* stage 0 */
+
+ while (count < nb_pkts && t->done == false) {
+ if (rte_mempool_get(pool, (void **)&m) < 0)
+ continue;
+
+ ev.flow_id = flow_counter++ % nb_flows;
+ ev.event_ptr = m;
+ m->timestamp = rte_get_timer_cycles();
+ while (rte_event_enqueue_burst(dev_id, port, &ev, 1) != 1) {
+ if (t->done)
+ break;
+ rte_pause();
+ m->timestamp = rte_get_timer_cycles();
+ }
+ count++;
+ }
+
+ return 0;
+}
+
+static inline int
+scheduler(void *arg)
+{
+ struct test_perf *t = arg;
+ const uint8_t dev_id = t->opt->dev_id;
+
+ while (t->done == false)
+ rte_event_schedule(dev_id);
+
+ return 0;
+}
+
+static inline uint64_t
+processed_pkts(struct test_perf *t)
+{
+ uint8_t i;
+ uint64_t total = 0;
+
+ rte_smp_rmb();
+ for (i = 0; i < t->nb_workers; i++)
+ total += t->worker[i].processed_pkts;
+
+ return total;
+}
+
+static inline uint64_t
+total_latency(struct test_perf *t)
+{
+ uint8_t i;
+ uint64_t total = 0;
+
+ rte_smp_rmb();
+ for (i = 0; i < t->nb_workers; i++)
+ total += t->worker[i].latency;
+
+ return total;
+}
+
+
+int
+perf_launch_lcores(struct evt_test *test, struct evt_options *opt,
+ int (*worker)(void *))
+{
+ int ret, lcore_id;
+ struct test_perf *t = evt_test_priv(test);
+
+ int port_idx = 0;
+ /* launch workers */
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ if (!(opt->wlcores[lcore_id]))
+ continue;
+
+ ret = rte_eal_remote_launch(worker,
+ &t->worker[port_idx], lcore_id);
+ if (ret) {
+ evt_err("failed to launch worker %d", lcore_id);
+ return ret;
+ }
+ port_idx++;
+ }
+
+ /* launch producers */
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ if (!(opt->plcores[lcore_id]))
+ continue;
+
+ ret = rte_eal_remote_launch(perf_producer, &t->prod[port_idx],
+ lcore_id);
+ if (ret) {
+ evt_err("failed to launch perf_producer %d", lcore_id);
+ return ret;
+ }
+ port_idx++;
+ }
+
+ /* launch scheduler */
+ if (!evt_has_distributed_sched(opt->dev_id)) {
+ ret = rte_eal_remote_launch(scheduler, t, opt->slcore);
+ if (ret) {
+ evt_err("failed to launch sched %d", opt->slcore);
+ return ret;
+ }
+ }
+
+ const uint64_t total_pkts = opt->nb_pkts *
+ evt_nr_active_lcores(opt->plcores);
+
+ uint64_t dead_lock_cycles = rte_get_timer_cycles();
+ int64_t dead_lock_remaining = total_pkts;
+ const uint64_t dead_lock_sample = rte_get_timer_hz() * 5;
+
+ uint64_t perf_cycles = rte_get_timer_cycles();
+ int64_t perf_remaining = total_pkts;
+ const uint64_t perf_sample = rte_get_timer_hz();
+
+ static float total_mpps;
+ static uint64_t samples;
+
+ const uint64_t freq_mhz = rte_get_timer_hz() / 1000000;
+ int64_t remaining = t->outstand_pkts - processed_pkts(t);
+
+ while (t->done == false) {
+ const uint64_t new_cycles = rte_get_timer_cycles();
+
+ if ((new_cycles - perf_cycles) > perf_sample) {
+ const uint64_t latency = total_latency(t);
+ const uint64_t pkts = processed_pkts(t);
+
+ remaining = t->outstand_pkts - pkts;
+ float mpps = (float)(perf_remaining-remaining)/1000000;
+
+ perf_remaining = remaining;
+ perf_cycles = new_cycles;
+ total_mpps += mpps;
+ ++samples;
+ if (opt->fwd_latency && pkts > 0) {
+ printf(CLGRN"\r%.3f mpps avg %.3f mpps [avg fwd latency %.3f us] "CLNRM,
+ mpps, total_mpps/samples,
+ (float)(latency/pkts)/freq_mhz);
+ } else {
+ printf(CLGRN"\r%.3f mpps avg %.3f mpps"CLNRM,
+ mpps, total_mpps/samples);
+ }
+ fflush(stdout);
+
+ if (remaining <= 0) {
+ t->done = true;
+ t->result = EVT_TEST_SUCCESS;
+ rte_smp_wmb();
+ break;
+ }
+ }
+
+ if (new_cycles - dead_lock_cycles > dead_lock_sample) {
+ remaining = t->outstand_pkts - processed_pkts(t);
+ if (dead_lock_remaining == remaining) {
+ rte_event_dev_dump(opt->dev_id, stdout);
+ evt_err("No schedules for seconds, deadlock");
+ t->done = true;
+ rte_smp_wmb();
+ break;
+ }
+ dead_lock_remaining = remaining;
+ dead_lock_cycles = new_cycles;
+ }
+ }
+ printf("\n");
+ return 0;
+}
+
+int
+perf_event_dev_port_setup(struct evt_test *test, struct evt_options *opt,
+ uint8_t stride, uint8_t nb_queues)
+{
+ struct test_perf *t = evt_test_priv(test);
+ uint8_t port, prod;
+ int ret = -1;
+
+ /* port configuration */
+ const struct rte_event_port_conf wkr_p_conf = {
+ .dequeue_depth = opt->wkr_deq_dep,
+ .enqueue_depth = 64,
+ .new_event_threshold = 4096,
+ };
+
+ /* setup one port per worker, linking to all queues */
+ for (port = 0; port < evt_nr_active_lcores(opt->wlcores);
+ port++) {
+ struct worker_data *w = &t->worker[port];
+
+ w->dev_id = opt->dev_id;
+ w->port_id = port;
+ w->t = t;
+ w->processed_pkts = 0;
+ w->latency = 0;
+
+ ret = rte_event_port_setup(opt->dev_id, port, &wkr_p_conf);
+ if (ret) {
+ evt_err("failed to setup port %d", port);
+ return ret;
+ }
+
+ ret = rte_event_port_link(opt->dev_id, port, NULL, NULL, 0);
+ if (ret != nb_queues) {
+ evt_err("failed to link all queues to port %d", port);
+ return -EINVAL;
+ }
+ }
+
+ /* port for producers, no links */
+ const struct rte_event_port_conf prod_conf = {
+ .dequeue_depth = 8,
+ .enqueue_depth = 32,
+ .new_event_threshold = 1200,
+ };
+ prod = 0;
+ for ( ; port < perf_nb_event_ports(opt); port++) {
+ struct prod_data *p = &t->prod[port];
+
+ p->dev_id = opt->dev_id;
+ p->port_id = port;
+ p->queue_id = prod * stride;
+ p->t = t;
+
+ ret = rte_event_port_setup(opt->dev_id, port, &prod_conf);
+ if (ret) {
+ evt_err("failed to setup port %d", port);
+ return ret;
+ }
+ prod++;
+ }
+
+ return ret;
+}
+
+int
+perf_opt_check(struct evt_options *opt, uint64_t nb_queues)
+{
+ unsigned int lcores;
+ bool need_slcore = !evt_has_distributed_sched(opt->dev_id);
+
+ /* N producer + N worker + 1 scheduler(based on dev capa) + 1 master */
+ lcores = need_slcore ? 4 : 3;
+
+ if (rte_lcore_count() < lcores) {
+ evt_err("test need minimum %d lcores", lcores);
+ return -1;
+ }
+
+ /* Validate worker lcores */
+ if (evt_lcores_has_overlap(opt->wlcores, rte_get_master_lcore())) {
+ evt_err("worker lcores overlaps with master lcore");
+ return -1;
+ }
+ if (need_slcore && evt_lcores_has_overlap(opt->wlcores, opt->slcore)) {
+ evt_err("worker lcores overlaps with scheduler lcore");
+ return -1;
+ }
+ if (evt_lcores_has_overlap_multi(opt->wlcores, opt->plcores)) {
+ evt_err("worker lcores overlaps producer lcores");
+ return -1;
+ }
+ if (evt_has_disabled_lcore(opt->wlcores)) {
+ evt_err("one or more workers lcores are not enabled");
+ return -1;
+ }
+ if (!evt_has_active_lcore(opt->wlcores)) {
+ evt_err("minimum one worker is required");
+ return -1;
+ }
+
+ /* Validate producer lcores */
+ if (evt_lcores_has_overlap(opt->plcores, rte_get_master_lcore())) {
+ evt_err("producer lcores overlaps with master lcore");
+ return -1;
+ }
+ if (need_slcore && evt_lcores_has_overlap(opt->plcores, opt->slcore)) {
+ evt_err("producer lcores overlaps with scheduler lcore");
+ return -1;
+ }
+ if (evt_has_disabled_lcore(opt->plcores)) {
+ evt_err("one or more producer lcores are not enabled");
+ return -1;
+ }
+ if (!evt_has_active_lcore(opt->plcores)) {
+ evt_err("minimum one producer is required");
+ return -1;
+ }
+
+ /* Validate scheduler lcore */
+ if (!evt_has_distributed_sched(opt->dev_id) &&
+ opt->slcore == (int)rte_get_master_lcore()) {
+ evt_err("scheduler lcore and master lcore should be different");
+ return -1;
+ }
+ if (need_slcore && !rte_lcore_is_enabled(opt->slcore)) {
+ evt_err("scheduler lcore is not enabled");
+ return -1;
+ }
+
+ if (evt_has_invalid_stage(opt))
+ return -1;
+
+ if (evt_has_invalid_sched_type(opt))
+ return -1;
+
+ if (nb_queues > EVT_MAX_QUEUES) {
+ evt_err("number of queues exceeds %d", EVT_MAX_QUEUES);
+ return -1;
+ }
+ if (perf_nb_event_ports(opt) > EVT_MAX_PORTS) {
+ evt_err("number of ports exceeds %d", EVT_MAX_PORTS);
+ return -1;
+ }
+
+ /* Fixups */
+ if (opt->nb_stages == 1 && opt->fwd_latency) {
+ evt_info("fwd_latency is valid when nb_stages > 1, disabling");
+ opt->fwd_latency = 0;
+ }
+ if (opt->fwd_latency && !opt->q_priority) {
+ evt_info("enabled queue priority for latency measurement");
+ opt->q_priority = 1;
+ }
+ if (opt->nb_pkts == 0)
+ opt->nb_pkts = INT64_MAX/evt_nr_active_lcores(opt->plcores);
+
+ return 0;
+}
+
+void
+perf_opt_dump(struct evt_options *opt, uint8_t nb_queues)
+{
+ evt_dump("nb_prod_lcores", "%d", evt_nr_active_lcores(opt->plcores));
+ evt_dump_producer_lcores(opt);
+ evt_dump("nb_worker_lcores", "%d", evt_nr_active_lcores(opt->wlcores));
+ evt_dump_worker_lcores(opt);
+ if (!evt_has_distributed_sched(opt->dev_id))
+ evt_dump_scheduler_lcore(opt);
+ evt_dump_nb_stages(opt);
+ evt_dump("nb_evdev_ports", "%d", perf_nb_event_ports(opt));
+ evt_dump("nb_evdev_queues", "%d", nb_queues);
+ evt_dump_queue_priority(opt);
+ evt_dump_sched_type_list(opt);
+}
+
+void
+perf_eventdev_destroy(struct evt_test *test, struct evt_options *opt)
+{
+ RTE_SET_USED(test);
+
+ rte_event_dev_stop(opt->dev_id);
+ rte_event_dev_close(opt->dev_id);
+}
+
+static inline void
+perf_elt_init(struct rte_mempool *mp, void *arg __rte_unused,
+ void *obj, unsigned i __rte_unused)
+{
+ memset(obj, 0, mp->elt_size);
+}
+
+int
+perf_mempool_setup(struct evt_test *test, struct evt_options *opt)
+{
+ struct test_perf *t = evt_test_priv(test);
+
+ t->pool = rte_mempool_create(test->name, /* mempool name */
+ opt->pool_sz, /* number of elements*/
+ sizeof(struct perf_elt), /* element size*/
+ 512, /* cache size*/
+ 0, NULL, NULL,
+ perf_elt_init, /* obj constructor */
+ NULL, opt->socket_id, 0); /* flags */
+ if (t->pool == NULL) {
+ evt_err("failed to create mempool");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+void
+perf_mempool_destroy(struct evt_test *test, struct evt_options *opt)
+{
+ RTE_SET_USED(opt);
+ struct test_perf *t = evt_test_priv(test);
+
+ rte_mempool_free(t->pool);
+}
+
+int
+perf_test_setup(struct evt_test *test, struct evt_options *opt)
+{
+ void *test_perf;
+
+ test_perf = rte_zmalloc_socket(test->name, sizeof(struct test_perf),
+ RTE_CACHE_LINE_SIZE, opt->socket_id);
+ if (test_perf == NULL) {
+ evt_err("failed to allocate test_perf memory");
+ goto nomem;
+ }
+ test->test_priv = test_perf;
+
+ struct test_perf *t = evt_test_priv(test);
+
+ t->outstand_pkts = opt->nb_pkts * evt_nr_active_lcores(opt->plcores);
+ t->nb_workers = evt_nr_active_lcores(opt->wlcores);
+ t->done = false;
+ t->nb_pkts = opt->nb_pkts;
+ t->nb_flows = opt->nb_flows;
+ t->result = EVT_TEST_FAILED;
+ t->opt = opt;
+ memcpy(t->sched_type_list, opt->sched_type_list,
+ sizeof(opt->sched_type_list));
+ return 0;
+nomem:
+ return -ENOMEM;
+}
+
+void
+perf_test_destroy(struct evt_test *test, struct evt_options *opt)
+{
+ RTE_SET_USED(opt);
+
+ rte_free(test->test_priv);
+}
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