[v1,2/2] examples/event: add callback handle
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Commit Message
To add register and unregister for event pre-enqueue and
post-dequeue callback handler.
Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
---
examples/eventdev_pipeline/main.c | 49 +++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
@@ -20,6 +20,37 @@ struct config_data cdata = {
.worker_cq_depth = 16
};
+#ifdef RTE_EVENTDEV_ENQDEQ_CALLBACKS
+uint16_t
+dump_flowid_events(uint8_t dev_id, uint8_t port_id,
+ __rte_unused struct rte_event *ev,
+ __rte_unused uint16_t nb_events,
+ __rte_unused void *cb_arg);
+
+uint16_t
+dump_flowid_events(uint8_t dev_id, uint8_t port_id,
+ __rte_unused struct rte_event *ev,
+ __rte_unused uint16_t nb_events,
+ __rte_unused void *cb_arg)
+{
+ if (unlikely(nb_events == 0))
+ return 0;
+
+ for (int i = 0; i < nb_events; i++)
+ printf(" dev_id (%u) port_id (%u)\n "
+ "- ev(%p) nb_events (%u)\n"
+ "- flow_id (%u)\n"
+ "- sub_event_type (%u) event_type (%u)\n",
+ dev_id, port_id,
+ ev, nb_events,
+ ev[i].flow_id,
+ ev[i].sub_event_type,
+ ev[i].event_type);
+
+ return nb_events;
+}
+#endif
+
static bool
core_in_use(unsigned int lcore_id) {
return (fdata->rx_core[lcore_id] || fdata->sched_core[lcore_id] ||
@@ -398,6 +429,14 @@ signal_handler(int signum)
if ((signum == SIGINT || signum == SIGTERM) && !once) {
printf("\n\nSignal %d received, preparing to exit...\n",
signum);
+
+#ifdef RTE_EVENTDEV_ENQDEQ_CALLBACKS
+ rte_eventdev_preenq_callback_unregister(0, 0,
+ dump_flowid_events, NULL);
+ rte_eventdev_pstdeq_callback_unregister(0, 0,
+ dump_flowid_events, NULL);
+#endif
+
if (cdata.dump_dev)
rte_event_dev_dump(0, stdout);
once = 1;
@@ -559,6 +598,16 @@ main(int argc, char **argv)
if (core_in_use(lcore_id))
fdata->cap.worker(&worker_data[worker_idx++]);
+#ifdef RTE_EVENTDEV_ENQDEQ_CALLBACKS
+ if (rte_eventdev_preenq_callback_register(0, 0,
+ dump_flowid_events, NULL))
+ printf(" Failed to register enq callback\n");
+
+ if (rte_eventdev_pstdeq_callback_register(0, 0,
+ dump_flowid_events, NULL))
+ printf(" Failed to register deq callback\n");
+#endif
+
rte_eal_mp_wait_lcore();
if (!cdata.quiet && (port_stat(dev_id, worker_data[0].port_id) !=