Re: [dpdk-dev] [EXT] RE: [PATCH 5/6] app/test-eventdev: Enhancing perf-atq packet flow

[Apeksha Gupta <apeksha.gupta@nxp.com>]

> -----Original Message-----
> From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
> Sent: Thursday, July 2, 2020 8:55 AM
> To: Apeksha Gupta <apeksha.gupta@nxp.com>;
> jerin.jacob@caviumnetworks.com
> Cc: dev@dpdk.org; thomas@monjalon.net; Hemant Agrawal
> <hemant.agrawal@nxp.com>; Nipun Gupta <nipun.gupta@nxp.com>; Akhil
> Goyal <akhil.goyal@nxp.com>; stable@dpdk.org
> Subject: [EXT] RE: [dpdk-dev] [PATCH 5/6] app/test-eventdev: Enhancing
> perf-atq packet flow
> 
> Caution: EXT Email
> 
> >Subject: [dpdk-dev] [PATCH 5/6] app/test-eventdev: Enhancing perf-atq
> >packet flow
> >
> >The event ethernet Tx adapter provides data path for the ethernet
> >transmit
> >stage. Enqueue a burst of events objects supplied on an event device.
> 
> NAK, same as 1/6 use pipeline_atq/queue to test Rx->Tx performace.
> 
[Apeksha] Okay.
> >
> >Fixes: 1eb10ad8db8 ("app/testeventdev: add perf all types queue
> >worker")
> >Cc: stable@dpdk.org
> >
> >Signed-off-by: Apeksha Gupta <apeksha.gupta@nxp.com>
> >---
> > app/test-eventdev/test_perf_atq.c    | 43 ++++++++++++++++++++------
> >--
> > app/test-eventdev/test_perf_common.h |  4 +++
> > 2 files changed, 35 insertions(+), 12 deletions(-)
> >
> >diff --git a/app/test-eventdev/test_perf_atq.c b/app/test-
> >eventdev/test_perf_atq.c
> >index d0241ec4ae..23e9ad4a29 100644
> >--- a/app/test-eventdev/test_perf_atq.c
> >+++ b/app/test-eventdev/test_perf_atq.c
> >@@ -70,10 +70,12 @@ perf_atq_worker(void *arg, const int
> >enable_fwd_latency)
> > }
> >
> > static int
> >-perf_atq_worker_burst(void *arg, const int enable_fwd_latency)
> >+perf_atq_worker_burst(void *arg, const int enable_fwd_latency,
> >+                                      const uint32_t flags)
> > {
> >       PERF_WORKER_INIT;
> >       uint16_t i;
> >+      uint16_t nb_tx;
> >       /* +1 to avoid prefetch out of array check */
> >       struct rte_event ev[BURST_SIZE + 1];
> >
> >@@ -110,13 +112,21 @@ perf_atq_worker_burst(void *arg, const int
> >enable_fwd_latency)
> >                                               nb_stages);
> >                       }
> >               }
> >+              if (flags == TEST_PERF_EVENT_TX_DIRECT) {
> >+                      nb_tx =
> >rte_event_eth_tx_adapter_enqueue(dev, port,
> >+                                              ev, nb_rx, 0);
> >+                      while (nb_tx < nb_rx && !t->done)
> >+                              nb_tx +=
> >rte_event_eth_tx_adapter_enqueue(dev,
> >+                                              port, ev + nb_tx,
> >+                                              nb_rx - nb_tx, 0);
> >+              } else {
> >+                      uint16_t enq;
> >
> >-              uint16_t enq;
> >-
> >-              enq = rte_event_enqueue_burst(dev, port, ev, nb_rx);
> >-              while (enq < nb_rx) {
> >-                      enq += rte_event_enqueue_burst(dev, port,
> >+                      enq = rte_event_enqueue_burst(dev, port, ev,
> >nb_rx);
> >+                      while (enq < nb_rx) {
> >+                              enq += rte_event_enqueue_burst(dev,
> >port,
> >                                                       ev + enq, nb_rx
> >- enq);
> >+                      }
> >               }
> >       }
> >       return 0;
> >@@ -127,20 +137,29 @@ worker_wrapper(void *arg)
> > {
> >       struct worker_data *w  = arg;
> >       struct evt_options *opt = w->t->opt;
> >-
> >+      const bool internal_port = w->t->internal_port;
> >       const bool burst = evt_has_burst_mode(w->dev_id);
> >       const int fwd_latency = opt->fwd_latency;
> >+      uint32_t flags;
> >
> >       /* allow compiler to optimize */
> >       if (!burst && !fwd_latency)
> >               return perf_atq_worker(arg, 0);
> >       else if (!burst && fwd_latency)
> >               return perf_atq_worker(arg, 1);
> >-      else if (burst && !fwd_latency)
> >-              return perf_atq_worker_burst(arg, 0);
> >-      else if (burst && fwd_latency)
> >-              return perf_atq_worker_burst(arg, 1);
> >-
> >+      else if (burst && !fwd_latency && internal_port) {
> >+              flags = TEST_PERF_EVENT_TX_DIRECT;
> >+              return perf_atq_worker_burst(arg, 0, flags);
> >+      } else if (burst && !fwd_latency && !internal_port) {
> >+              flags = TEST_PERF_EVENT_TX_ENQ;
> >+              return perf_atq_worker_burst(arg, 1, flags);
> >+      } else if (burst && fwd_latency && internal_port) {
> >+              flags = TEST_PERF_EVENT_TX_DIRECT;
> >+              return perf_atq_worker_burst(arg, 0, flags);
> >+      } else if (burst && fwd_latency && !internal_port) {
> >+              flags = TEST_PERF_EVENT_TX_ENQ;
> >+              return perf_atq_worker_burst(arg, 1, flags);
> >+      }
> >       rte_panic("invalid worker\n");
> > }
> >
> >diff --git a/app/test-eventdev/test_perf_common.h b/app/test-
> >eventdev/test_perf_common.h
> >index 716199d8c9..c86be385ad 100644
> >--- a/app/test-eventdev/test_perf_common.h
> >+++ b/app/test-eventdev/test_perf_common.h
> >@@ -13,6 +13,7 @@
> > #include <rte_ethdev.h>
> > #include <rte_eventdev.h>
> > #include <rte_event_eth_rx_adapter.h>
> >+#include <rte_event_eth_tx_adapter.h>
> > #include <rte_event_timer_adapter.h>
> > #include <rte_lcore.h>
> > #include <rte_malloc.h>
> >@@ -23,6 +24,9 @@
> > #include "evt_options.h"
> > #include "evt_test.h"
> >
> >+#define TEST_PERF_EVENT_TX_ENQ                0x1
> >+#define TEST_PERF_EVENT_TX_DIRECT     0X2
> >+
> > struct test_perf;
> >
> > struct worker_data {
> >--
> >2.17.1