From: Pavan Nikhilesh <pbhagavat...@marvell.com>

Add support to configure pre-scheduling for eventdev
test application.
Option `--preschedule`
  0 - Disable pre-scheduling.
  1 - Enable pre-scheduling.
  2 - Enable pre-schedule with adaptive mode (Default).

Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
 app/test-eventdev/evt_common.h    | 45 ++++++++++++++++++++++++-------
 app/test-eventdev/evt_options.c   | 17 ++++++++++++
 app/test-eventdev/evt_options.h   |  1 +
 doc/guides/tools/testeventdev.rst |  6 +++++
 4 files changed, 59 insertions(+), 10 deletions(-)

diff --git a/app/test-eventdev/evt_common.h b/app/test-eventdev/evt_common.h
index dbe1e5c0c4..176c077e51 100644
--- a/app/test-eventdev/evt_common.h
+++ b/app/test-eventdev/evt_common.h
@@ -64,6 +64,8 @@ struct evt_options {
        uint8_t nb_timer_adptrs;
        uint8_t timdev_use_burst;
        uint8_t per_port_pool;
+       uint8_t preschedule;
+       uint8_t preschedule_opted;
        uint8_t sched_type_list[EVT_MAX_STAGES];
        uint16_t mbuf_sz;
        uint16_t wkr_deq_dep;
@@ -184,6 +186,30 @@ evt_configure_eventdev(struct evt_options *opt, uint8_t 
nb_queues,
                return ret;
        }
 
+       if (opt->preschedule_opted && opt->preschedule) {
+               switch (opt->preschedule) {
+               case RTE_EVENT_DEV_PRESCHEDULE_ADAPTIVE:
+                       if (!(info.event_dev_cap & 
RTE_EVENT_DEV_CAP_EVENT_PRESCHEDULE_ADAPTIVE)) {
+                               evt_err("Preschedule type %d not supported", 
opt->preschedule);
+                               return -EINVAL;
+                       }
+                       break;
+               case RTE_EVENT_DEV_PRESCHEDULE:
+                       if (!(info.event_dev_cap & 
RTE_EVENT_DEV_CAP_EVENT_PRESCHEDULE)) {
+                               evt_err("Preschedule type %d not supported", 
opt->preschedule);
+                               return -EINVAL;
+                       }
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       if (!opt->preschedule_opted) {
+               if (info.event_dev_cap & 
RTE_EVENT_DEV_CAP_EVENT_PRESCHEDULE_ADAPTIVE)
+                       opt->preschedule = RTE_EVENT_DEV_PRESCHEDULE_ADAPTIVE;
+       }
+
        if (opt->deq_tmo_nsec) {
                if (opt->deq_tmo_nsec < info.min_dequeue_timeout_ns) {
                        opt->deq_tmo_nsec = info.min_dequeue_timeout_ns;
@@ -198,16 +224,15 @@ evt_configure_eventdev(struct evt_options *opt, uint8_t 
nb_queues,
        }
 
        const struct rte_event_dev_config config = {
-                       .dequeue_timeout_ns = opt->deq_tmo_nsec,
-                       .nb_event_queues = nb_queues,
-                       .nb_event_ports = nb_ports,
-                       .nb_single_link_event_port_queues = 0,
-                       .nb_events_limit  = info.max_num_events,
-                       .nb_event_queue_flows = opt->nb_flows,
-                       .nb_event_port_dequeue_depth =
-                               info.max_event_port_dequeue_depth,
-                       .nb_event_port_enqueue_depth =
-                               info.max_event_port_enqueue_depth,
+               .dequeue_timeout_ns = opt->deq_tmo_nsec,
+               .nb_event_queues = nb_queues,
+               .nb_event_ports = nb_ports,
+               .nb_single_link_event_port_queues = 0,
+               .nb_events_limit = info.max_num_events,
+               .nb_event_queue_flows = opt->nb_flows,
+               .nb_event_port_dequeue_depth = 
info.max_event_port_dequeue_depth,
+               .nb_event_port_enqueue_depth = 
info.max_event_port_enqueue_depth,
+               .preschedule_type = opt->preschedule,
        };
 
        return rte_event_dev_configure(opt->dev_id, &config);
diff --git a/app/test-eventdev/evt_options.c b/app/test-eventdev/evt_options.c
index fb5a0a255f..323d1e724d 100644
--- a/app/test-eventdev/evt_options.c
+++ b/app/test-eventdev/evt_options.c
@@ -130,6 +130,17 @@ evt_parse_tx_pkt_sz(struct evt_options *opt, const char 
*arg __rte_unused)
        return ret;
 }
 
+static int
+evt_parse_preschedule(struct evt_options *opt, const char *arg __rte_unused)
+{
+       int ret;
+
+       ret = parser_read_uint8(&(opt->preschedule), arg);
+       opt->preschedule_opted = 1;
+
+       return ret;
+}
+
 static int
 evt_parse_timer_prod_type(struct evt_options *opt, const char *arg 
__rte_unused)
 {
@@ -510,6 +521,10 @@ usage(char *program)
                "                       across all the ethernet devices 
before\n"
                "                       event workers start.\n"
                "\t--tx_pkt_sz        : Packet size to use with Tx first."
+               "\t--preschedule      : Pre-schedule type to use.\n"
+               "                       0 - disable pre-schedule\n"
+               "                       1 - pre-schedule\n"
+               "                       2 - pre-schedule adaptive (Default)\n"
                );
        printf("available tests:\n");
        evt_test_dump_names();
@@ -598,6 +613,7 @@ static struct option lgopts[] = {
        { EVT_HELP,                0, 0, 0 },
        { EVT_TX_FIRST,            1, 0, 0 },
        { EVT_TX_PKT_SZ,           1, 0, 0 },
+       { EVT_PRESCHEDULE,         1, 0, 0 },
        { NULL,                    0, 0, 0 }
 };
 
@@ -647,6 +663,7 @@ evt_opts_parse_long(int opt_idx, struct evt_options *opt)
                { EVT_PER_PORT_POOL, evt_parse_per_port_pool},
                { EVT_TX_FIRST, evt_parse_tx_first},
                { EVT_TX_PKT_SZ, evt_parse_tx_pkt_sz},
+               { EVT_PRESCHEDULE, evt_parse_preschedule},
        };
 
        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 646060c7c6..18a893b704 100644
--- a/app/test-eventdev/evt_options.h
+++ b/app/test-eventdev/evt_options.h
@@ -59,6 +59,7 @@
 #define EVT_PER_PORT_POOL       ("per_port_pool")
 #define EVT_TX_FIRST            ("tx_first")
 #define EVT_TX_PKT_SZ           ("tx_pkt_sz")
+#define EVT_PRESCHEDULE          ("preschedule")
 #define EVT_HELP                 ("help")
 
 void evt_options_default(struct evt_options *opt);
diff --git a/doc/guides/tools/testeventdev.rst 
b/doc/guides/tools/testeventdev.rst
index 00eb702571..38e2ec0c36 100644
--- a/doc/guides/tools/testeventdev.rst
+++ b/doc/guides/tools/testeventdev.rst
@@ -236,6 +236,12 @@ The following are the application command-line options:
        Packet size to use for `--tx_first`.
        Only applicable for `pipeline_atq` and `pipeline_queue` tests.
 
+* ``--preschedule``
+
+       Enable pre-scheduling of events.
+       0 - Disable pre-scheduling.
+       1 - Enable pre-scheduling.
+       2 - Enable pre-schedule with adaptive mode (Default).
 
 Eventdev Tests
 --------------
-- 
2.25.1

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