net/virtio: fix incorrect cast of void *
[dpdk.git] / test-eventdev / test_perf_queue.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Cavium, Inc
3  */
4
5 #include "test_perf_common.h"
6
7 /* See http://doc.dpdk.org/guides/tools/testeventdev.html for test details */
8
9 static inline int
10 perf_queue_nb_event_queues(struct evt_options *opt)
11 {
12         /* nb_queues = number of producers * number of stages */
13         uint8_t nb_prod = opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ?
14                 rte_eth_dev_count_avail() : evt_nr_active_lcores(opt->plcores);
15         return nb_prod * opt->nb_stages;
16 }
17
18 static __rte_always_inline void
19 mark_fwd_latency(struct rte_event *const ev,
20                 const uint8_t nb_stages)
21 {
22         if (unlikely((ev->queue_id % nb_stages) == 0)) {
23                 struct perf_elt *const m = ev->event_ptr;
24
25                 m->timestamp = rte_get_timer_cycles();
26         }
27 }
28
29 static __rte_always_inline void
30 fwd_event(struct rte_event *const ev, uint8_t *const sched_type_list,
31                 const uint8_t nb_stages)
32 {
33         ev->queue_id++;
34         ev->sched_type = sched_type_list[ev->queue_id % nb_stages];
35         ev->op = RTE_EVENT_OP_FORWARD;
36         ev->event_type = RTE_EVENT_TYPE_CPU;
37 }
38
39 static int
40 perf_queue_worker(void *arg, const int enable_fwd_latency)
41 {
42         PERF_WORKER_INIT;
43         struct rte_event ev;
44
45         while (t->done == false) {
46                 uint16_t event = rte_event_dequeue_burst(dev, port, &ev, 1, 0);
47
48                 if (!event) {
49                         rte_pause();
50                         continue;
51                 }
52                 if (enable_fwd_latency && !prod_timer_type)
53                 /* first q in pipeline, mark timestamp to compute fwd latency */
54                         mark_fwd_latency(&ev, nb_stages);
55
56                 /* last stage in pipeline */
57                 if (unlikely((ev.queue_id % nb_stages) == laststage)) {
58                         if (enable_fwd_latency)
59                                 cnt = perf_process_last_stage_latency(pool,
60                                         &ev, w, bufs, sz, cnt);
61                         else
62                                 cnt = perf_process_last_stage(pool,
63                                         &ev, w, bufs, sz, cnt);
64                 } else {
65                         fwd_event(&ev, sched_type_list, nb_stages);
66                         while (rte_event_enqueue_burst(dev, port, &ev, 1) != 1)
67                                 rte_pause();
68                 }
69         }
70         return 0;
71 }
72
73 static int
74 perf_queue_worker_burst(void *arg, const int enable_fwd_latency)
75 {
76         PERF_WORKER_INIT;
77         uint16_t i;
78         /* +1 to avoid prefetch out of array check */
79         struct rte_event ev[BURST_SIZE + 1];
80
81         while (t->done == false) {
82                 uint16_t const nb_rx = rte_event_dequeue_burst(dev, port, ev,
83                                 BURST_SIZE, 0);
84
85                 if (!nb_rx) {
86                         rte_pause();
87                         continue;
88                 }
89
90                 for (i = 0; i < nb_rx; i++) {
91                         if (enable_fwd_latency && !prod_timer_type) {
92                                 rte_prefetch0(ev[i+1].event_ptr);
93                                 /* first queue in pipeline.
94                                  * mark time stamp to compute fwd latency
95                                  */
96                                 mark_fwd_latency(&ev[i], nb_stages);
97                         }
98                         /* last stage in pipeline */
99                         if (unlikely((ev[i].queue_id % nb_stages) ==
100                                                  laststage)) {
101                                 if (enable_fwd_latency)
102                                         cnt = perf_process_last_stage_latency(
103                                                 pool, &ev[i], w, bufs, sz, cnt);
104                                 else
105                                         cnt = perf_process_last_stage(pool,
106                                                 &ev[i], w, bufs, sz, cnt);
107
108                                 ev[i].op = RTE_EVENT_OP_RELEASE;
109                         } else {
110                                 fwd_event(&ev[i], sched_type_list, nb_stages);
111                         }
112                 }
113
114                 uint16_t enq;
115
116                 enq = rte_event_enqueue_burst(dev, port, ev, nb_rx);
117                 while (enq < nb_rx) {
118                         enq += rte_event_enqueue_burst(dev, port,
119                                                         ev + enq, nb_rx - enq);
120                 }
121         }
122         return 0;
123 }
124
125 static int
126 worker_wrapper(void *arg)
127 {
128         struct worker_data *w  = arg;
129         struct evt_options *opt = w->t->opt;
130
131         const bool burst = evt_has_burst_mode(w->dev_id);
132         const int fwd_latency = opt->fwd_latency;
133
134         /* allow compiler to optimize */
135         if (!burst && !fwd_latency)
136                 return perf_queue_worker(arg, 0);
137         else if (!burst && fwd_latency)
138                 return perf_queue_worker(arg, 1);
139         else if (burst && !fwd_latency)
140                 return perf_queue_worker_burst(arg, 0);
141         else if (burst && fwd_latency)
142                 return perf_queue_worker_burst(arg, 1);
143
144         rte_panic("invalid worker\n");
145 }
146
147 static int
148 perf_queue_launch_lcores(struct evt_test *test, struct evt_options *opt)
149 {
150         return perf_launch_lcores(test, opt, worker_wrapper);
151 }
152
153 static int
154 perf_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
155 {
156         uint8_t queue;
157         int nb_stages = opt->nb_stages;
158         int ret;
159         int nb_ports;
160         int nb_queues;
161         uint16_t prod;
162         struct rte_event_dev_info dev_info;
163         struct test_perf *t = evt_test_priv(test);
164
165         nb_ports = evt_nr_active_lcores(opt->wlcores);
166         nb_ports += opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ||
167                 opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR ? 0 :
168                 evt_nr_active_lcores(opt->plcores);
169
170         nb_queues = perf_queue_nb_event_queues(opt);
171
172         memset(&dev_info, 0, sizeof(struct rte_event_dev_info));
173         ret = rte_event_dev_info_get(opt->dev_id, &dev_info);
174         if (ret) {
175                 evt_err("failed to get eventdev info %d", opt->dev_id);
176                 return ret;
177         }
178
179         ret = evt_configure_eventdev(opt, nb_queues, nb_ports);
180         if (ret) {
181                 evt_err("failed to configure eventdev %d", opt->dev_id);
182                 return ret;
183         }
184
185         struct rte_event_queue_conf q_conf = {
186                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
187                         .nb_atomic_flows = opt->nb_flows,
188                         .nb_atomic_order_sequences = opt->nb_flows,
189         };
190         /* queue configurations */
191         for (queue = 0; queue < nb_queues; queue++) {
192                 q_conf.schedule_type =
193                         (opt->sched_type_list[queue % nb_stages]);
194
195                 if (opt->q_priority) {
196                         uint8_t stage_pos = queue % nb_stages;
197                         /* Configure event queues(stage 0 to stage n) with
198                          * RTE_EVENT_DEV_PRIORITY_LOWEST to
199                          * RTE_EVENT_DEV_PRIORITY_HIGHEST.
200                          */
201                         uint8_t step = RTE_EVENT_DEV_PRIORITY_LOWEST /
202                                         (nb_stages - 1);
203                         /* Higher prio for the queues closer to last stage */
204                         q_conf.priority = RTE_EVENT_DEV_PRIORITY_LOWEST -
205                                         (step * stage_pos);
206                 }
207                 ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
208                 if (ret) {
209                         evt_err("failed to setup queue=%d", queue);
210                         return ret;
211                 }
212         }
213
214         if (opt->wkr_deq_dep > dev_info.max_event_port_dequeue_depth)
215                 opt->wkr_deq_dep = dev_info.max_event_port_dequeue_depth;
216
217         /* port configuration */
218         const struct rte_event_port_conf p_conf = {
219                         .dequeue_depth = opt->wkr_deq_dep,
220                         .enqueue_depth = dev_info.max_event_port_dequeue_depth,
221                         .new_event_threshold = dev_info.max_num_events,
222         };
223
224         ret = perf_event_dev_port_setup(test, opt, nb_stages /* stride */,
225                                         nb_queues, &p_conf);
226         if (ret)
227                 return ret;
228
229         if (!evt_has_distributed_sched(opt->dev_id)) {
230                 uint32_t service_id;
231                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
232                 ret = evt_service_setup(service_id);
233                 if (ret) {
234                         evt_err("No service lcore found to run event dev.");
235                         return ret;
236                 }
237         }
238
239         ret = rte_event_dev_start(opt->dev_id);
240         if (ret) {
241                 evt_err("failed to start eventdev %d", opt->dev_id);
242                 return ret;
243         }
244
245         if (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR) {
246                 RTE_ETH_FOREACH_DEV(prod) {
247                         ret = rte_eth_dev_start(prod);
248                         if (ret) {
249                                 evt_err("Ethernet dev [%d] failed to start. Using synthetic producer",
250                                                 prod);
251                                 return ret;
252                         }
253
254                         ret = rte_event_eth_rx_adapter_start(prod);
255                         if (ret) {
256                                 evt_err("Rx adapter[%d] start failed", prod);
257                                 return ret;
258                         }
259                         printf("%s: Port[%d] using Rx adapter[%d] started\n",
260                                         __func__, prod, prod);
261                 }
262         } else if (opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR) {
263                 for (prod = 0; prod < opt->nb_timer_adptrs; prod++) {
264                         ret = rte_event_timer_adapter_start(
265                                         t->timer_adptr[prod]);
266                         if (ret) {
267                                 evt_err("failed to Start event timer adapter %d"
268                                                 , prod);
269                                 return ret;
270                         }
271                 }
272         }
273
274         return 0;
275 }
276
277 static void
278 perf_queue_opt_dump(struct evt_options *opt)
279 {
280         evt_dump_fwd_latency(opt);
281         perf_opt_dump(opt, perf_queue_nb_event_queues(opt));
282 }
283
284 static int
285 perf_queue_opt_check(struct evt_options *opt)
286 {
287         return perf_opt_check(opt, perf_queue_nb_event_queues(opt));
288 }
289
290 static bool
291 perf_queue_capability_check(struct evt_options *opt)
292 {
293         struct rte_event_dev_info dev_info;
294
295         rte_event_dev_info_get(opt->dev_id, &dev_info);
296         if (dev_info.max_event_queues < perf_queue_nb_event_queues(opt) ||
297                         dev_info.max_event_ports < perf_nb_event_ports(opt)) {
298                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
299                         perf_queue_nb_event_queues(opt),
300                         dev_info.max_event_queues,
301                         perf_nb_event_ports(opt), dev_info.max_event_ports);
302         }
303
304         return true;
305 }
306
307 static const struct evt_test_ops perf_queue =  {
308         .cap_check          = perf_queue_capability_check,
309         .opt_check          = perf_queue_opt_check,
310         .opt_dump           = perf_queue_opt_dump,
311         .test_setup         = perf_test_setup,
312         .mempool_setup      = perf_mempool_setup,
313         .ethdev_setup       = perf_ethdev_setup,
314         .eventdev_setup     = perf_queue_eventdev_setup,
315         .launch_lcores      = perf_queue_launch_lcores,
316         .eventdev_destroy   = perf_eventdev_destroy,
317         .mempool_destroy    = perf_mempool_destroy,
318         .ethdev_destroy     = perf_ethdev_destroy,
319         .test_result        = perf_test_result,
320         .test_destroy       = perf_test_destroy,
321 };
322
323 EVT_TEST_REGISTER(perf_queue);