From: Jerin Jacob Date: Tue, 4 Jul 2017 04:53:22 +0000 (+0530) Subject: app/testeventdev: add perf all types queue worker X-Git-Tag: spdx-start~2583 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1eb10ad8db8c2cb68972e1c3a94bf9a341adb8cc;p=dpdk.git app/testeventdev: add perf all types queue worker Signed-off-by: Jerin Jacob Acked-by: Harry van Haaren --- diff --git a/app/test-eventdev/test_perf_atq.c b/app/test-eventdev/test_perf_atq.c index 1beb7042ce..f2f57727ff 100644 --- a/app/test-eventdev/test_perf_atq.c +++ b/app/test-eventdev/test_perf_atq.c @@ -41,6 +41,145 @@ atq_nb_event_queues(struct evt_options *opt) return evt_nr_active_lcores(opt->plcores); } +static inline __attribute__((always_inline)) void +atq_mark_fwd_latency(struct rte_event *const ev) +{ + if (unlikely(ev->sub_event_type == 0)) { + struct perf_elt *const m = ev->event_ptr; + + m->timestamp = rte_get_timer_cycles(); + } +} + +static inline __attribute__((always_inline)) void +atq_fwd_event(struct rte_event *const ev, uint8_t *const sched_type_list, + const uint8_t nb_stages) +{ + ev->sub_event_type++; + ev->sched_type = sched_type_list[ev->sub_event_type % nb_stages]; + ev->op = RTE_EVENT_OP_FORWARD; + ev->event_type = RTE_EVENT_TYPE_CPU; +} + +static int +perf_atq_worker(void *arg, const int enable_fwd_latency) +{ + PERF_WORKER_INIT; + struct rte_event ev; + + while (t->done == false) { + uint16_t event = rte_event_dequeue_burst(dev, port, &ev, 1, 0); + + if (enable_fwd_latency) + rte_prefetch0(ev.event_ptr); + + if (!event) { + rte_pause(); + continue; + } + + if (enable_fwd_latency) + /* first stage in pipeline, mark ts to compute fwd latency */ + atq_mark_fwd_latency(&ev); + + /* last stage in pipeline */ + if (unlikely((ev.sub_event_type % nb_stages) == laststage)) { + if (enable_fwd_latency) + cnt = perf_process_last_stage_latency(pool, + &ev, w, bufs, sz, cnt); + else + cnt = perf_process_last_stage(pool, &ev, w, + bufs, sz, cnt); + } else { + atq_fwd_event(&ev, sched_type_list, nb_stages); + while (rte_event_enqueue_burst(dev, port, &ev, 1) != 1) + rte_pause(); + } + } + return 0; +} + +static int +perf_atq_worker_burst(void *arg, const int enable_fwd_latency) +{ + PERF_WORKER_INIT; + uint16_t i; + /* +1 to avoid prefetch out of array check */ + struct rte_event ev[BURST_SIZE + 1]; + + while (t->done == false) { + uint16_t const nb_rx = rte_event_dequeue_burst(dev, port, ev, + BURST_SIZE, 0); + + if (!nb_rx) { + rte_pause(); + continue; + } + + for (i = 0; i < nb_rx; i++) { + if (enable_fwd_latency) { + rte_prefetch0(ev[i+1].event_ptr); + /* first stage in pipeline. + * mark time stamp to compute fwd latency + */ + atq_mark_fwd_latency(&ev[i]); + } + /* last stage in pipeline */ + if (unlikely((ev[i].sub_event_type % nb_stages) + == laststage)) { + if (enable_fwd_latency) + cnt = perf_process_last_stage_latency( + pool, &ev[i], w, bufs, sz, cnt); + else + cnt = perf_process_last_stage(pool, + &ev[i], w, bufs, sz, cnt); + + ev[i].op = RTE_EVENT_OP_RELEASE; + } else { + atq_fwd_event(&ev[i], sched_type_list, + nb_stages); + } + } + + uint16_t enq; + + enq = rte_event_enqueue_burst(dev, port, ev, nb_rx); + while (enq < nb_rx) { + enq += rte_event_enqueue_burst(dev, port, + ev + enq, nb_rx - enq); + } + } + return 0; +} + +static int +worker_wrapper(void *arg) +{ + struct worker_data *w = arg; + struct evt_options *opt = w->t->opt; + + const bool burst = evt_has_burst_mode(w->dev_id); + const int fwd_latency = opt->fwd_latency; + + /* allow compiler to optimize */ + if (!burst && !fwd_latency) + return perf_atq_worker(arg, 0); + else if (!burst && fwd_latency) + return perf_atq_worker(arg, 1); + else if (burst && !fwd_latency) + return perf_atq_worker_burst(arg, 0); + else if (burst && fwd_latency) + return perf_atq_worker_burst(arg, 1); + + rte_panic("invalid worker\n"); +} + +static int +perf_atq_launch_lcores(struct evt_test *test, struct evt_options *opt) +{ + return perf_launch_lcores(test, opt, worker_wrapper); +} + static int perf_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt) { @@ -128,6 +267,7 @@ static const struct evt_test_ops perf_atq = { .test_setup = perf_test_setup, .mempool_setup = perf_mempool_setup, .eventdev_setup = perf_atq_eventdev_setup, + .launch_lcores = perf_atq_launch_lcores, .eventdev_destroy = perf_eventdev_destroy, .mempool_destroy = perf_mempool_destroy, .test_result = perf_test_result,