net/virtio: fix incorrect cast of void *
[dpdk.git] / test-eventdev / test_perf_atq.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 atq_nb_event_queues(struct evt_options *opt)
11 {
12         /* nb_queues = number of producers */
13         return opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ?
14                 rte_eth_dev_count_avail() : evt_nr_active_lcores(opt->plcores);
15 }
16
17 static __rte_always_inline void
18 atq_mark_fwd_latency(struct rte_event *const ev)
19 {
20         if (unlikely(ev->sub_event_type == 0)) {
21                 struct perf_elt *const m = ev->event_ptr;
22
23                 m->timestamp = rte_get_timer_cycles();
24         }
25 }
26
27 static __rte_always_inline void
28 atq_fwd_event(struct rte_event *const ev, uint8_t *const sched_type_list,
29                 const uint8_t nb_stages)
30 {
31         ev->sub_event_type++;
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;
35 }
36
37 static int
38 perf_atq_worker(void *arg, const int enable_fwd_latency)
39 {
40         PERF_WORKER_INIT;
41         struct rte_event ev;
42
43         while (t->done == false) {
44                 uint16_t event = rte_event_dequeue_burst(dev, port, &ev, 1, 0);
45
46                 if (!event) {
47                         rte_pause();
48                         continue;
49                 }
50
51                 if (enable_fwd_latency && !prod_timer_type)
52                 /* first stage in pipeline, mark ts to compute fwd latency */
53                         atq_mark_fwd_latency(&ev);
54
55                 /* last stage in pipeline */
56                 if (unlikely((ev.sub_event_type % nb_stages) == laststage)) {
57                         if (enable_fwd_latency)
58                                 cnt = perf_process_last_stage_latency(pool,
59                                         &ev, w, bufs, sz, cnt);
60                         else
61                                 cnt = perf_process_last_stage(pool, &ev, w,
62                                          bufs, sz, cnt);
63                 } else {
64                         atq_fwd_event(&ev, sched_type_list, nb_stages);
65                         while (rte_event_enqueue_burst(dev, port, &ev, 1) != 1)
66                                 rte_pause();
67                 }
68         }
69         return 0;
70 }
71
72 static int
73 perf_atq_worker_burst(void *arg, const int enable_fwd_latency)
74 {
75         PERF_WORKER_INIT;
76         uint16_t i;
77         /* +1 to avoid prefetch out of array check */
78         struct rte_event ev[BURST_SIZE + 1];
79
80         while (t->done == false) {
81                 uint16_t const nb_rx = rte_event_dequeue_burst(dev, port, ev,
82                                 BURST_SIZE, 0);
83
84                 if (!nb_rx) {
85                         rte_pause();
86                         continue;
87                 }
88
89                 for (i = 0; i < nb_rx; i++) {
90                         if (enable_fwd_latency && !prod_timer_type) {
91                                 rte_prefetch0(ev[i+1].event_ptr);
92                                 /* first stage in pipeline.
93                                  * mark time stamp to compute fwd latency
94                                  */
95                                 atq_mark_fwd_latency(&ev[i]);
96                         }
97                         /* last stage in pipeline */
98                         if (unlikely((ev[i].sub_event_type % nb_stages)
99                                                 == laststage)) {
100                                 if (enable_fwd_latency)
101                                         cnt = perf_process_last_stage_latency(
102                                                 pool, &ev[i], w, bufs, sz, cnt);
103                                 else
104                                         cnt = perf_process_last_stage(pool,
105                                                 &ev[i], w, bufs, sz, cnt);
106
107                                 ev[i].op = RTE_EVENT_OP_RELEASE;
108                         } else {
109                                 atq_fwd_event(&ev[i], sched_type_list,
110                                                 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_atq_worker(arg, 0);
137         else if (!burst && fwd_latency)
138                 return perf_atq_worker(arg, 1);
139         else if (burst && !fwd_latency)
140                 return perf_atq_worker_burst(arg, 0);
141         else if (burst && fwd_latency)
142                 return perf_atq_worker_burst(arg, 1);
143
144         rte_panic("invalid worker\n");
145 }
146
147 static int
148 perf_atq_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_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
155 {
156         int ret;
157         uint8_t queue;
158         uint8_t nb_queues;
159         uint8_t nb_ports;
160         uint16_t prod;
161         struct rte_event_dev_info dev_info;
162         struct test_perf *t = evt_test_priv(test);
163
164         nb_ports = evt_nr_active_lcores(opt->wlcores);
165         nb_ports += (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ||
166                         opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR) ? 0 :
167                 evt_nr_active_lcores(opt->plcores);
168
169         nb_queues = atq_nb_event_queues(opt);
170
171         memset(&dev_info, 0, sizeof(struct rte_event_dev_info));
172         ret = rte_event_dev_info_get(opt->dev_id, &dev_info);
173         if (ret) {
174                 evt_err("failed to get eventdev info %d", opt->dev_id);
175                 return ret;
176         }
177
178         ret = evt_configure_eventdev(opt, nb_queues, nb_ports);
179         if (ret) {
180                 evt_err("failed to configure eventdev %d", opt->dev_id);
181                 return ret;
182         }
183
184         struct rte_event_queue_conf q_conf = {
185                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
186                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
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                 ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
193                 if (ret) {
194                         evt_err("failed to setup queue=%d", queue);
195                         return ret;
196                 }
197         }
198
199         if (opt->wkr_deq_dep > dev_info.max_event_port_dequeue_depth)
200                 opt->wkr_deq_dep = dev_info.max_event_port_dequeue_depth;
201
202         /* port configuration */
203         const struct rte_event_port_conf p_conf = {
204                         .dequeue_depth = opt->wkr_deq_dep,
205                         .enqueue_depth = dev_info.max_event_port_dequeue_depth,
206                         .new_event_threshold = dev_info.max_num_events,
207         };
208
209         ret = perf_event_dev_port_setup(test, opt, 1 /* stride */, nb_queues,
210                         &p_conf);
211         if (ret)
212                 return ret;
213
214         if (!evt_has_distributed_sched(opt->dev_id)) {
215                 uint32_t service_id;
216                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
217                 ret = evt_service_setup(service_id);
218                 if (ret) {
219                         evt_err("No service lcore found to run event dev.");
220                         return ret;
221                 }
222         }
223
224         ret = rte_event_dev_start(opt->dev_id);
225         if (ret) {
226                 evt_err("failed to start eventdev %d", opt->dev_id);
227                 return ret;
228         }
229
230         if (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR) {
231                 RTE_ETH_FOREACH_DEV(prod) {
232                         ret = rte_eth_dev_start(prod);
233                         if (ret) {
234                                 evt_err("Ethernet dev [%d] failed to start. Using synthetic producer",
235                                                 prod);
236                                 return ret;
237                         }
238
239                         ret = rte_event_eth_rx_adapter_start(prod);
240                         if (ret) {
241                                 evt_err("Rx adapter[%d] start failed", prod);
242                                 return ret;
243                         }
244                         printf("%s: Port[%d] using Rx adapter[%d] started\n",
245                                         __func__, prod, prod);
246                 }
247         } else if (opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR) {
248                 for (prod = 0; prod < opt->nb_timer_adptrs; prod++) {
249                         ret = rte_event_timer_adapter_start(
250                                         t->timer_adptr[prod]);
251                         if (ret) {
252                                 evt_err("failed to Start event timer adapter %d"
253                                                 , prod);
254                                 return ret;
255                         }
256                 }
257         }
258
259         return 0;
260 }
261
262 static void
263 perf_atq_opt_dump(struct evt_options *opt)
264 {
265         perf_opt_dump(opt, atq_nb_event_queues(opt));
266 }
267
268 static int
269 perf_atq_opt_check(struct evt_options *opt)
270 {
271         return perf_opt_check(opt, atq_nb_event_queues(opt));
272 }
273
274 static bool
275 perf_atq_capability_check(struct evt_options *opt)
276 {
277         struct rte_event_dev_info dev_info;
278
279         rte_event_dev_info_get(opt->dev_id, &dev_info);
280         if (dev_info.max_event_queues < atq_nb_event_queues(opt) ||
281                         dev_info.max_event_ports < perf_nb_event_ports(opt)) {
282                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
283                         atq_nb_event_queues(opt), dev_info.max_event_queues,
284                         perf_nb_event_ports(opt), dev_info.max_event_ports);
285         }
286         if (!evt_has_all_types_queue(opt->dev_id))
287                 return false;
288
289         return true;
290 }
291
292 static const struct evt_test_ops perf_atq =  {
293         .cap_check          = perf_atq_capability_check,
294         .opt_check          = perf_atq_opt_check,
295         .opt_dump           = perf_atq_opt_dump,
296         .test_setup         = perf_test_setup,
297         .ethdev_setup       = perf_ethdev_setup,
298         .mempool_setup      = perf_mempool_setup,
299         .eventdev_setup     = perf_atq_eventdev_setup,
300         .launch_lcores      = perf_atq_launch_lcores,
301         .eventdev_destroy   = perf_eventdev_destroy,
302         .mempool_destroy    = perf_mempool_destroy,
303         .ethdev_destroy     = perf_ethdev_destroy,
304         .test_result        = perf_test_result,
305         .test_destroy       = perf_test_destroy,
306 };
307
308 EVT_TEST_REGISTER(perf_atq);