Add burst mode for event timer adapter that can be selected by passing
--prod_type_timerdev_burst.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com>
---
app/test-eventdev/evt_options.c | 13 +++++++
app/test-eventdev/evt_options.h | 8 ++++-
app/test-eventdev/test_perf_common.c | 66 +++++++++++++++++++++++++++++++++++-
3 files changed, 85 insertions(+), 2 deletions(-)
diff --git a/app/test-eventdev/evt_options.c b/app/test-eventdev/evt_options.c
index 49cd9c419..05d6de88b 100644
--- a/app/test-eventdev/evt_options.c
+++ b/app/test-eventdev/evt_options.c
@@ -98,6 +98,15 @@ evt_parse_timer_prod_type(struct evt_options *opt, const
char *arg __rte_unused)
return 0;
}
+static int
+evt_parse_timer_prod_type_burst(struct evt_options *opt,
+ const char *arg __rte_unused)
+{
+ opt->prod_type = EVT_PROD_TYPE_EVENT_TIMER_ADPTR;
+ opt->timdev_use_burst = 1;
+ return 0;
+}
+
static int
evt_parse_test_name(struct evt_options *opt, const char *arg)
{
@@ -185,6 +194,8 @@ usage(char *program)
"\t--prod_type_timerdev : use event timer device as producer.\n"
"\t x * bkt_tck_nsec would be the timeout\n"
"\t in ns.\n"
+ "\t--prod_type_timerdev_burst : use timer device as producer\n"
+ "\t burst mode.\n"
);
printf("available tests:\n");
evt_test_dump_names();
@@ -247,6 +258,7 @@ static struct option lgopts[] = {
{ EVT_QUEUE_PRIORITY, 0, 0, 0 },
{ EVT_PROD_ETHDEV, 0, 0, 0 },
{ EVT_PROD_TIMERDEV, 0, 0, 0 },
+ { EVT_PROD_TIMERDEV_BURST, 0, 0, 0 },
{ EVT_HELP, 0, 0, 0 },
{ NULL, 0, 0, 0 }
};
@@ -272,6 +284,7 @@ evt_opts_parse_long(int opt_idx, struct evt_options *opt)
{ EVT_QUEUE_PRIORITY, evt_parse_queue_priority},
{ EVT_PROD_ETHDEV, evt_parse_eth_prod_type},
{ EVT_PROD_TIMERDEV, evt_parse_timer_prod_type},
+ { EVT_PROD_TIMERDEV_BURST, evt_parse_timer_prod_type_burst},
};
for (i = 0; i < RTE_DIM(parsermap); i++) {
diff --git a/app/test-eventdev/evt_options.h b/app/test-eventdev/evt_options.h
index 1fb340ac9..2884e0d91 100644
--- a/app/test-eventdev/evt_options.h
+++ b/app/test-eventdev/evt_options.h
@@ -33,6 +33,7 @@
#define EVT_QUEUE_PRIORITY ("queue_priority")
#define EVT_PROD_ETHDEV ("prod_type_ethdev")
#define EVT_PROD_TIMERDEV ("prod_type_timerdev")
+#define EVT_PROD_TIMERDEV_BURST ("prod_type_timerdev_burst")
#define EVT_HELP ("help")
enum evt_prod_type {
@@ -66,6 +67,7 @@ struct evt_options {
uint32_t fwd_latency:1;
uint32_t q_priority:1;
enum evt_prod_type prod_type;
+ uint8_t timdev_use_burst;
uint8_t timdev_cnt;
};
@@ -275,7 +277,11 @@ evt_dump_producer_type(struct evt_options *opt)
evt_dump("nb_ethdev", "%d", rte_eth_dev_count());
break;
case EVT_PROD_TYPE_EVENT_TIMER_ADPTR:
- snprintf(name, EVT_PROD_MAX_NAME_LEN,
+ if (opt->timdev_use_burst)
+ snprintf(name, EVT_PROD_MAX_NAME_LEN,
+ "Event timer adapter burst mode producer");
+ else
+ snprintf(name, EVT_PROD_MAX_NAME_LEN,
"Event timer adapter producer");
evt_dump("nb_timer_adapters", "%d", opt->nb_timer_adptrs);
evt_dump("max_tmo_nsec", "%"PRIu64"", opt->max_tmo_nsec);
diff --git a/app/test-eventdev/test_perf_common.c
b/app/test-eventdev/test_perf_common.c
index 39072eb5d..6d0db1dc5 100644
--- a/app/test-eventdev/test_perf_common.c
+++ b/app/test-eventdev/test_perf_common.c
@@ -132,6 +132,66 @@ perf_event_timer_producer(void *arg)
return 0;
}
+static inline int
+perf_event_timer_producer_burst(void *arg)
+{
+ int i;
+ struct prod_data *p = arg;
+ struct test_perf *t = p->t;
+ struct evt_options *opt = t->opt;
+ uint32_t flow_counter = 0;
+ uint64_t count = 0;
+ uint64_t arm_latency = 0;
+ const uint8_t nb_timer_adptrs = opt->nb_timer_adptrs;
+ const uint32_t nb_flows = t->nb_flows;
+ const uint64_t nb_timers = opt->nb_timers;
+ struct rte_mempool *pool = t->pool;
+ struct perf_elt *m[BURST_SIZE + 1] = {NULL};
+ struct rte_event_timer_adapter **adptr = t->timer_adptr;
+ uint64_t timeout_ticks = opt->optm_bkt_tck_nsec ?
+ (opt->nb_bkt_tcks * opt->bkt_tck_nsec)
+ / opt->optm_bkt_tck_nsec : opt->nb_bkt_tcks;
+
+ timeout_ticks += timeout_ticks ? 0 : 1;
+ const struct rte_event_timer tim = {
+ .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_TIMER,
+ .state = RTE_EVENT_TIMER_NOT_ARMED,
+ .timeout_ticks = timeout_ticks,
+ };
+
+ if (opt->verbose_level > 1)
+ printf("%s(): lcore %d\n", __func__, rte_lcore_id());
+
+ while (count < nb_timers && t->done == false) {
+ if (rte_mempool_get_bulk(pool, (void **)m, BURST_SIZE) < 0)
+ continue;
+ for (i = 0; i < BURST_SIZE; i++) {
+ rte_prefetch0(m[i + 1]);
+ m[i]->tim = tim;
+ m[i]->tim.ev.flow_id = flow_counter++ % nb_flows;
+ m[i]->tim.ev.event_ptr = m[i];
+ m[i]->timestamp = rte_get_timer_cycles();
+ }
+ rte_event_timer_arm_tmo_tick_burst(
+ adptr[flow_counter % nb_timer_adptrs],
+ (struct rte_event_timer **)m,
+ tim.timeout_ticks,
+ BURST_SIZE);
+ arm_latency += rte_get_timer_cycles() - m[i - 1]->timestamp;
+ count += BURST_SIZE;
+ }
+ fflush(stdout);
+ rte_delay_ms(1000);
+ printf("%s(): lcore %d Average event timer arm latency = %.3f us\n",
+ __func__, rte_lcore_id(), (float)(arm_latency / count) /
+ (rte_get_timer_hz() / 1000000));
+ return 0;
+}
+
static int
perf_producer_wrapper(void *arg)
{
@@ -140,8 +200,12 @@ perf_producer_wrapper(void *arg)
/* Launch the producer function only in case of synthetic producer. */
if (t->opt->prod_type == EVT_PROD_TYPE_SYNT)
return perf_producer(arg);
- else if (t->opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR)
+ else if (t->opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR &&
+ !t->opt->timdev_use_burst)
return perf_event_timer_producer(arg);
+ else if (t->opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR &&
+ t->opt->timdev_use_burst)
+ return perf_event_timer_producer_burst(arg);
return 0;
}
--
2.16.2
