[dpdk-dev,v4,5/7] examples/eventdev: update sample app to use service
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Commit Message
Update the sample app eventdev_pipeline_sw_pmd to use service run iter for
event scheduling in case of sw eventdev.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
v4 changes:
- rebase patchset on top of http://dpdk.org/dev/patchwork/patch/30732/
for controlled event scheduling in case event_sw
examples/eventdev_pipeline_sw_pmd/main.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
--
2.7.4
Comments
> From: Pavan Nikhilesh [mailto:pbhagavatula@caviumnetworks.com]
> Sent: Wednesday, October 25, 2017 12:59 PM
> To: jerin.jacob@caviumnetworks.com; hemant.agrawal@nxp.com; Van Haaren,
> Harry <harry.van.haaren@intel.com>
> Cc: dev@dpdk.org; Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH v4 5/7] examples/eventdev: update sample app to
> use service
>
> Update the sample app eventdev_pipeline_sw_pmd to use service run iter for
> event scheduling in case of sw eventdev.
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
One note below,
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
> + ret = rte_event_dev_service_id_get(dev_id,
> + &fdata->evdev_service_id);
> + if (ret != -ESRCH && ret != 0 ) {
Checkpatch warns on the space between 0 and the )
@@ -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
@@ -76,6 +77,7 @@ struct fastpath_data {
uint32_t rx_lock;
uint32_t tx_lock;
uint32_t sched_lock;
+ uint32_t evdev_service_id;
bool rx_single;
bool tx_single;
bool sched_single;
@@ -233,7 +235,7 @@ 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))) {
@@ -243,7 +245,7 @@ schedule_devices(uint8_t dev_id, unsigned int lcore_id)
if (fdata->sched_core[lcore_id] && (fdata->sched_single ||
rte_atomic32_cmpset(&(fdata->sched_lock), 0, 1))) {
- rte_event_schedule(dev_id);
+ rte_service_run_iter_on_app_lcore(fdata->evdev_service_id);
if (cdata.dump_dev_signal) {
rte_event_dev_dump(0, stdout);
cdata.dump_dev_signal = 0;
@@ -294,7 +296,7 @@ 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();
@@ -839,6 +841,14 @@ setup_eventdev(struct prod_data *prod_data,
*cons_data = (struct cons_data){.dev_id = dev_id,
.port_id = i };
+ ret = rte_event_dev_service_id_get(dev_id,
+ &fdata->evdev_service_id);
+ if (ret != -ESRCH && ret != 0 ) {
+ printf("Error getting the service ID for sw eventdev\n");
+ return -1;
+ }
+ rte_service_runstate_set(fdata->evdev_service_id, 1);
+ rte_service_set_runstate_mapped_check(fdata->evdev_service_id, 0);
if (rte_event_dev_start(dev_id) < 0) {
printf("Error starting eventdev\n");
return -1;