DPDK patches and discussions
 help / color / mirror / Atom feed
From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: gage.eads@intel.com, jerin.jacobkollanukkaran@cavium.com,
	harry.van.haaren@intel.com, hemant.agrawal@nxp.com,
	liang.j.ma@intel.com, santosh.shukla@caviumnetworks.com
Cc: dev@dpdk.org, Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Subject: [dpdk-dev] [PATCH v2 09/15] examples/eventdev: add burst for thread safe pipeline
Date: Wed, 10 Jan 2018 16:40:07 +0530	[thread overview]
Message-ID: <20180110111013.14644-9-pbhagavatula@caviumnetworks.com> (raw)
In-Reply-To: <20180110111013.14644-1-pbhagavatula@caviumnetworks.com>

Add burst mode worker pipeline when Tx is multi thread safe.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
 .../eventdev_pipeline_sw_pmd/pipeline_worker_tx.c  | 74 +++++++++++++++++++++-
 1 file changed, 72 insertions(+), 2 deletions(-)

diff --git a/examples/eventdev_pipeline_sw_pmd/pipeline_worker_tx.c b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_tx.c
index 397b1013f..419d8d410 100644
--- a/examples/eventdev_pipeline_sw_pmd/pipeline_worker_tx.c
+++ b/examples/eventdev_pipeline_sw_pmd/pipeline_worker_tx.c
@@ -22,6 +22,19 @@ worker_event_enqueue(const uint8_t dev, const uint8_t port,
 		rte_pause();
 }

+static __rte_always_inline void
+worker_event_enqueue_burst(const uint8_t dev, const uint8_t port,
+		struct rte_event *ev, const uint16_t nb_rx)
+{
+	uint16_t enq;
+
+	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);
+	}
+}
+
 static __rte_always_inline void
 worker_tx_pkt(struct rte_mbuf *mbuf)
 {
@@ -81,6 +94,61 @@ worker_do_tx(void *arg)
 	return 0;
 }

+static int
+worker_do_tx_burst(void *arg)
+{
+	struct rte_event ev[BATCH_SIZE];
+
+	struct worker_data *data = (struct worker_data *)arg;
+	uint8_t dev = data->dev_id;
+	uint8_t port = data->port_id;
+	uint8_t lst_qid = cdata.num_stages - 1;
+	size_t fwd = 0, received = 0, tx = 0;
+
+	while (!fdata->done) {
+		uint16_t i;
+		const uint16_t nb_rx = rte_event_dequeue_burst(dev, port,
+				ev, BATCH_SIZE, 0);
+
+		if (nb_rx == 0) {
+			rte_pause();
+			continue;
+		}
+		received += nb_rx;
+
+		for (i = 0; i < nb_rx; i++) {
+			const uint8_t cq_id = ev[i].queue_id % cdata.num_stages;
+
+			if (cq_id >= lst_qid) {
+				if (ev[i].sched_type == RTE_SCHED_TYPE_ATOMIC) {
+					worker_tx_pkt(ev[i].mbuf);
+					tx++;
+					ev[i].op = RTE_EVENT_OP_RELEASE;
+					continue;
+				}
+				ev[i].queue_id = (cq_id == lst_qid) ?
+					cdata.next_qid[ev[i].queue_id] :
+					ev[i].queue_id;
+
+				worker_fwd_event(&ev[i], RTE_SCHED_TYPE_ATOMIC);
+			} else {
+				ev[i].queue_id = cdata.next_qid[ev[i].queue_id];
+				worker_fwd_event(&ev[i], cdata.queue_type);
+			}
+			work();
+		}
+		worker_event_enqueue_burst(dev, port, ev, nb_rx);
+
+		fwd += nb_rx;
+	}
+
+	if (!cdata.quiet)
+		printf("  worker %u thread done. RX=%zu FWD=%zu TX=%zu\n",
+				rte_lcore_id(), received, fwd, tx);
+
+	return 0;
+}
+
 static int
 setup_eventdev_worker_tx(struct cons_data *cons_data,
 		struct worker_data *worker_data)
@@ -412,8 +480,10 @@ worker_tx_opt_check(void)
 void
 set_worker_tx_setup_data(struct setup_data *caps, bool burst)
 {
-	RTE_SET_USED(burst);
-	caps->worker = worker_do_tx;
+	if (burst)
+		caps->worker = worker_do_tx_burst;
+	else
+		caps->worker = worker_do_tx;

 	memset(fdata->tx_core, 0, sizeof(unsigned int) * MAX_NUM_CORE);

--
2.15.1

  parent reply	other threads:[~2018-01-10 11:11 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-07 20:36 [dpdk-dev] [PATCH 00/13] examples/eventdev: add capability based pipeline support Pavan Nikhilesh
2017-12-07 20:36 ` [dpdk-dev] [PATCH 01/13] examples/eventdev: add Rx adapter support Pavan Nikhilesh
2017-12-11 16:15   ` Eads, Gage
2017-12-12  8:17     ` Pavan Nikhilesh Bhagavatula
2017-12-12 15:59       ` Eads, Gage
2017-12-07 20:36 ` [dpdk-dev] [PATCH 02/13] examples/eventdev: move common data into pipeline common Pavan Nikhilesh
2017-12-11 16:15   ` Eads, Gage
2017-12-12  8:19     ` Pavan Nikhilesh Bhagavatula
2017-12-07 20:36 ` [dpdk-dev] [PATCH 03/13] examples/eventdev: add framework for caps based pipeline Pavan Nikhilesh
2017-12-07 20:36 ` [dpdk-dev] [PATCH 04/13] examples/eventdev: add generic worker pipeline Pavan Nikhilesh
2017-12-07 20:36 ` [dpdk-dev] [PATCH 05/13] examples/eventdev: add ops to check cmdline args Pavan Nikhilesh
2017-12-19 11:23   ` Van Haaren, Harry
2017-12-07 20:36 ` [dpdk-dev] [PATCH 06/13] examples/eventdev: add non burst mode generic worker Pavan Nikhilesh
2017-12-19 13:26   ` Van Haaren, Harry
2017-12-19 19:01     ` Pavan Nikhilesh
2017-12-07 20:36 ` [dpdk-dev] [PATCH 07/13] examples/eventdev: add thread safe Tx worker pipeline Pavan Nikhilesh
2017-12-19 12:00   ` Van Haaren, Harry
2017-12-19 18:55     ` Pavan Nikhilesh
2017-12-07 20:37 ` [dpdk-dev] [PATCH 08/13] examples/eventdev: add burst for thread safe pipeline Pavan Nikhilesh
2017-12-07 20:37 ` [dpdk-dev] [PATCH 09/13] examples/eventdev: add all type queue option Pavan Nikhilesh
2017-12-19 13:18   ` Van Haaren, Harry
2017-12-19 19:05     ` Pavan Nikhilesh
2017-12-07 20:37 ` [dpdk-dev] [PATCH 10/13] examples/eventdev: add single stage pipeline worker Pavan Nikhilesh
2017-12-11 16:45   ` Eads, Gage
2017-12-07 20:37 ` [dpdk-dev] [PATCH 11/13] examples/eventdev: add atq " Pavan Nikhilesh
2017-12-19 13:34   ` Van Haaren, Harry
2017-12-07 20:37 ` [dpdk-dev] [PATCH 12/13] examples/eventdev_pipeline_sw_pmd: rename example Pavan Nikhilesh
2017-12-07 20:37 ` [dpdk-dev] [PATCH 13/13] doc: update example eventdev_pipeline Pavan Nikhilesh
2017-12-11 11:29   ` Laatz, Kevin
2018-01-10 11:09 ` [dpdk-dev] [PATCH v2 01/15] examples/eventdev: add Rx adapter support Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 02/15] examples/eventdev: move common data into pipeline common Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 03/15] examples/eventdev: add framework for caps based pipeline Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 04/15] examples/eventdev: add generic worker pipeline Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 05/15] examples/eventdev: add ops to check cmdline args Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 06/15] examples/eventdev: add non burst mode generic worker Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 07/15] examples/eventdev: modify work cycles Pavan Nikhilesh
2018-01-15 10:14     ` Van Haaren, Harry
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 08/15] examples/eventdev: add thread safe Tx worker pipeline Pavan Nikhilesh
2018-01-10 11:10   ` Pavan Nikhilesh [this message]
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 10/15] examples/eventdev: add all type queue option Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 11/15] examples/eventdev: add single stage pipeline worker Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 12/15] examples/eventdev: add atq " Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 13/15] examples/eventdev: add mempool size configuration Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 14/15] examples/eventdev_pipeline_sw_pmd: rename example Pavan Nikhilesh
2018-01-10 11:10   ` [dpdk-dev] [PATCH v2 15/15] doc: update example eventdev pipeline Pavan Nikhilesh
2018-01-16 11:34     ` Kovacevic, Marko
2018-01-16 10:35   ` [dpdk-dev] [PATCH v2 01/15] examples/eventdev: add Rx adapter support Van Haaren, Harry
2018-01-16 16:12     ` Jerin Jacob

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180110111013.14644-9-pbhagavatula@caviumnetworks.com \
    --to=pbhagavatula@caviumnetworks.com \
    --cc=dev@dpdk.org \
    --cc=gage.eads@intel.com \
    --cc=harry.van.haaren@intel.com \
    --cc=hemant.agrawal@nxp.com \
    --cc=jerin.jacobkollanukkaran@cavium.com \
    --cc=liang.j.ma@intel.com \
    --cc=santosh.shukla@caviumnetworks.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).