1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
5 #include "test_perf_common.h"
7 /* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
10 atq_nb_event_queues(struct evt_options *opt)
12 /* nb_queues = number of producers */
13 return opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ?
14 rte_eth_dev_count() : evt_nr_active_lcores(opt->plcores);
17 static inline __attribute__((always_inline)) void
18 atq_mark_fwd_latency(struct rte_event *const ev)
20 if (unlikely(ev->sub_event_type == 0)) {
21 struct perf_elt *const m = ev->event_ptr;
23 m->timestamp = rte_get_timer_cycles();
27 static inline __attribute__((always_inline)) void
28 atq_fwd_event(struct rte_event *const ev, uint8_t *const sched_type_list,
29 const uint8_t nb_stages)
32 ev->sched_type = sched_type_list[ev->sub_event_type % nb_stages];
33 ev->op = RTE_EVENT_OP_FORWARD;
34 ev->event_type = RTE_EVENT_TYPE_CPU;
38 perf_atq_worker(void *arg, const int enable_fwd_latency)
43 while (t->done == false) {
44 uint16_t event = rte_event_dequeue_burst(dev, port, &ev, 1, 0);
46 if (enable_fwd_latency)
47 rte_prefetch0(ev.event_ptr);
54 if (enable_fwd_latency)
55 /* first stage in pipeline, mark ts to compute fwd latency */
56 atq_mark_fwd_latency(&ev);
58 /* last stage in pipeline */
59 if (unlikely((ev.sub_event_type % nb_stages) == laststage)) {
60 if (enable_fwd_latency)
61 cnt = perf_process_last_stage_latency(pool,
62 &ev, w, bufs, sz, cnt);
64 cnt = perf_process_last_stage(pool, &ev, w,
67 atq_fwd_event(&ev, sched_type_list, nb_stages);
68 while (rte_event_enqueue_burst(dev, port, &ev, 1) != 1)
76 perf_atq_worker_burst(void *arg, const int enable_fwd_latency)
80 /* +1 to avoid prefetch out of array check */
81 struct rte_event ev[BURST_SIZE + 1];
83 while (t->done == false) {
84 uint16_t const nb_rx = rte_event_dequeue_burst(dev, port, ev,
92 for (i = 0; i < nb_rx; i++) {
93 if (enable_fwd_latency) {
94 rte_prefetch0(ev[i+1].event_ptr);
95 /* first stage in pipeline.
96 * mark time stamp to compute fwd latency
98 atq_mark_fwd_latency(&ev[i]);
100 /* last stage in pipeline */
101 if (unlikely((ev[i].sub_event_type % nb_stages)
103 if (enable_fwd_latency)
104 cnt = perf_process_last_stage_latency(
105 pool, &ev[i], w, bufs, sz, cnt);
107 cnt = perf_process_last_stage(pool,
108 &ev[i], w, bufs, sz, cnt);
110 ev[i].op = RTE_EVENT_OP_RELEASE;
112 atq_fwd_event(&ev[i], sched_type_list,
119 enq = rte_event_enqueue_burst(dev, port, ev, nb_rx);
120 while (enq < nb_rx) {
121 enq += rte_event_enqueue_burst(dev, port,
122 ev + enq, nb_rx - enq);
129 worker_wrapper(void *arg)
131 struct worker_data *w = arg;
132 struct evt_options *opt = w->t->opt;
134 const bool burst = evt_has_burst_mode(w->dev_id);
135 const int fwd_latency = opt->fwd_latency;
137 /* allow compiler to optimize */
138 if (!burst && !fwd_latency)
139 return perf_atq_worker(arg, 0);
140 else if (!burst && fwd_latency)
141 return perf_atq_worker(arg, 1);
142 else if (burst && !fwd_latency)
143 return perf_atq_worker_burst(arg, 0);
144 else if (burst && fwd_latency)
145 return perf_atq_worker_burst(arg, 1);
147 rte_panic("invalid worker\n");
151 perf_atq_launch_lcores(struct evt_test *test, struct evt_options *opt)
153 return perf_launch_lcores(test, opt, worker_wrapper);
157 perf_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
163 struct rte_event_dev_info dev_info;
165 nb_ports = evt_nr_active_lcores(opt->wlcores);
166 nb_ports += opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ? 0 :
167 evt_nr_active_lcores(opt->plcores);
169 nb_queues = atq_nb_event_queues(opt);
171 memset(&dev_info, 0, sizeof(struct rte_event_dev_info));
172 ret = rte_event_dev_info_get(opt->dev_id, &dev_info);
174 evt_err("failed to get eventdev info %d", opt->dev_id);
178 const struct rte_event_dev_config config = {
179 .nb_event_queues = nb_queues,
180 .nb_event_ports = nb_ports,
181 .nb_events_limit = dev_info.max_num_events,
182 .nb_event_queue_flows = opt->nb_flows,
183 .nb_event_port_dequeue_depth =
184 dev_info.max_event_port_dequeue_depth,
185 .nb_event_port_enqueue_depth =
186 dev_info.max_event_port_enqueue_depth,
189 ret = rte_event_dev_configure(opt->dev_id, &config);
191 evt_err("failed to configure eventdev %d", opt->dev_id);
195 struct rte_event_queue_conf q_conf = {
196 .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
197 .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
198 .nb_atomic_flows = opt->nb_flows,
199 .nb_atomic_order_sequences = opt->nb_flows,
201 /* queue configurations */
202 for (queue = 0; queue < nb_queues; queue++) {
203 ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
205 evt_err("failed to setup queue=%d", queue);
210 if (opt->wkr_deq_dep > dev_info.max_event_port_dequeue_depth)
211 opt->wkr_deq_dep = dev_info.max_event_port_dequeue_depth;
213 /* port configuration */
214 const struct rte_event_port_conf p_conf = {
215 .dequeue_depth = opt->wkr_deq_dep,
216 .enqueue_depth = dev_info.max_event_port_dequeue_depth,
217 .new_event_threshold = dev_info.max_num_events,
220 ret = perf_event_dev_port_setup(test, opt, 1 /* stride */, nb_queues,
225 if (!evt_has_distributed_sched(opt->dev_id)) {
227 rte_event_dev_service_id_get(opt->dev_id, &service_id);
228 ret = evt_service_setup(service_id);
230 evt_err("No service lcore found to run event dev.");
235 ret = rte_event_dev_start(opt->dev_id);
237 evt_err("failed to start eventdev %d", opt->dev_id);
245 perf_atq_opt_dump(struct evt_options *opt)
247 perf_opt_dump(opt, atq_nb_event_queues(opt));
251 perf_atq_opt_check(struct evt_options *opt)
253 return perf_opt_check(opt, atq_nb_event_queues(opt));
257 perf_atq_capability_check(struct evt_options *opt)
259 struct rte_event_dev_info dev_info;
261 rte_event_dev_info_get(opt->dev_id, &dev_info);
262 if (dev_info.max_event_queues < atq_nb_event_queues(opt) ||
263 dev_info.max_event_ports < perf_nb_event_ports(opt)) {
264 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
265 atq_nb_event_queues(opt), dev_info.max_event_queues,
266 perf_nb_event_ports(opt), dev_info.max_event_ports);
268 if (!evt_has_all_types_queue(opt->dev_id))
274 static const struct evt_test_ops perf_atq = {
275 .cap_check = perf_atq_capability_check,
276 .opt_check = perf_atq_opt_check,
277 .opt_dump = perf_atq_opt_dump,
278 .test_setup = perf_test_setup,
279 .ethdev_setup = perf_ethdev_setup,
280 .mempool_setup = perf_mempool_setup,
281 .eventdev_setup = perf_atq_eventdev_setup,
282 .launch_lcores = perf_atq_launch_lcores,
283 .eventdev_destroy = perf_eventdev_destroy,
284 .mempool_destroy = perf_mempool_destroy,
285 .ethdev_destroy = perf_ethdev_destroy,
286 .test_result = perf_test_result,
287 .test_destroy = perf_test_destroy,
290 EVT_TEST_REGISTER(perf_atq);