From: Pavan Bhagavatula <pbhagavat...@caviumnetworks.com>
Update the sample app eventdev_pipeline_sw_pmd to use service cores for
event scheduling in case of sw eventdev.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com>
---
examples/eventdev_pipeline_sw_pmd/main.c | 51 +++++++++++++++++++++-----------
1 file changed, 33 insertions(+), 18 deletions(-)
diff --git a/examples/eventdev_pipeline_sw_pmd/main.c
b/examples/eventdev_pipeline_sw_pmd/main.c
index 09b90c3..d5068d2 100644
--- a/examples/eventdev_pipeline_sw_pmd/main.c
+++ b/examples/eventdev_pipeline_sw_pmd/main.c
@@ -46,6 +46,7 @@
#include <rte_cycles.h>
#include <rte_ethdev.h>
#include <rte_eventdev.h>
+#include <rte_service.h>
#define MAX_NUM_STAGES 8
#define BATCH_SIZE 16
@@ -233,7 +234,7 @@ producer(void)
}
static inline void
-schedule_devices(uint8_t dev_id, unsigned int lcore_id)
+schedule_devices(unsigned int lcore_id)
{
if (fdata->rx_core[lcore_id] && (fdata->rx_single ||
rte_atomic32_cmpset(&(fdata->rx_lock), 0, 1))) {
@@ -241,16 +242,6 @@ schedule_devices(uint8_t dev_id, unsigned int lcore_id)
rte_atomic32_clear((rte_atomic32_t *)&(fdata->rx_lock));
}
- if (fdata->sched_core[lcore_id] && (fdata->sched_single ||
- rte_atomic32_cmpset(&(fdata->sched_lock), 0, 1))) {
- rte_event_schedule(dev_id);
- if (cdata.dump_dev_signal) {
- rte_event_dev_dump(0, stdout);
- cdata.dump_dev_signal = 0;
- }
- rte_atomic32_clear((rte_atomic32_t *)&(fdata->sched_lock));
- }
-
if (fdata->tx_core[lcore_id] && (fdata->tx_single ||
rte_atomic32_cmpset(&(fdata->tx_lock), 0, 1))) {
consumer();
@@ -294,7 +285,7 @@ worker(void *arg)
while (!fdata->done) {
uint16_t i;
- schedule_devices(dev_id, lcore_id);
+ schedule_devices(lcore_id);
if (!fdata->worker_core[lcore_id]) {
rte_pause();
@@ -661,6 +652,27 @@ struct port_link {
};
static int
+setup_scheduling_service(unsigned int lcore, uint8_t dev_id)
+{
+ int ret;
+ uint32_t service_id;
+ ret = rte_event_dev_service_id_get(dev_id, &service_id);
+ if (ret == -ESRCH) {
+ printf("Event device [%d] doesn't need scheduling service\n",
+ dev_id);
+ return 0;
+ }
+ if (!ret) {
+ rte_service_runstate_set(service_id, 1);
+ rte_service_lcore_add(lcore);
+ rte_service_map_lcore_set(service_id, lcore, 1);
+ rte_service_lcore_start(lcore);
+ }
+
+ return ret;
+}
+
+static int
setup_eventdev(struct prod_data *prod_data,
struct cons_data *cons_data,
struct worker_data *worker_data)
@@ -839,6 +851,14 @@ setup_eventdev(struct prod_data *prod_data,
*cons_data = (struct cons_data){.dev_id = dev_id,
.port_id = i };
+ for (i = 0; i < MAX_NUM_CORE; i++) {
+ if (fdata->sched_core[i]
+ && setup_scheduling_service(i, dev_id)) {
+ printf("Error setting up schedulig service on %d", i);
+ return -1;
+ }
+ }
+
if (rte_event_dev_start(dev_id) < 0) {
printf("Error starting eventdev\n");
return -1;
@@ -944,8 +964,7 @@ main(int argc, char **argv)
if (!fdata->rx_core[lcore_id] &&
!fdata->worker_core[lcore_id] &&
- !fdata->tx_core[lcore_id] &&
- !fdata->sched_core[lcore_id])
+ !fdata->tx_core[lcore_id])
continue;
if (fdata->rx_core[lcore_id])
@@ -958,10 +977,6 @@ main(int argc, char **argv)
"[%s()] lcore %d executing NIC Tx, and using
eventdev port %u\n",
__func__, lcore_id, cons_data.port_id);
- if (fdata->sched_core[lcore_id])
- printf("[%s()] lcore %d executing scheduler\n",
- __func__, lcore_id);
-
if (fdata->worker_core[lcore_id])
printf(
"[%s()] lcore %d executing worker, using
eventdev port %u\n",
--
2.7.4
