From: Rahul Bhansali <rbhansali@marvell.com>
To: <dev@dpdk.org>, Bruce Richardson <bruce.richardson@intel.com>
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Rahul Bhansali <rbhansali@marvell.com>
Subject: [PATCH] examples/l2fwd: add check of Rx packets count
Date: Wed, 25 May 2022 14:43:27 +0530 [thread overview]
Message-ID: <20220525091327.4006824-1-rbhansali@marvell.com> (raw)
An additional check is added to avoid extra processing if
receive packets are 0.
Performance impact: with Marvell OCTEON TX2 platform, observed an
improvement by ~14%.
Signed-off-by: Rahul Bhansali <rbhansali@marvell.com>
---
examples/l2fwd/main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c
index 281c6b7a3f..28c498712e 100644
--- a/examples/l2fwd/main.c
+++ b/examples/l2fwd/main.c
@@ -286,6 +286,9 @@ l2fwd_main_loop(void)
nb_rx = rte_eth_rx_burst(portid, 0,
pkts_burst, MAX_PKT_BURST);
+ if (unlikely(nb_rx == 0))
+ continue;
+
port_statistics[portid].rx += nb_rx;
for (j = 0; j < nb_rx; j++) {
--
2.25.1
next reply other threads:[~2022-05-25 9:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-25 9:13 Rahul Bhansali [this message]
2022-06-02 7:48 ` Jerin Jacob
2022-06-23 11:09 ` [EXT] " Rahul Bhansali
2022-06-26 21:12 ` Thomas Monjalon
2022-07-20 16:52 ` [EXT] " Rahul Bhansali
2022-09-14 10:34 ` Rahul Bhansali
2022-11-02 13:47 ` Rahul Bhansali
2022-11-02 15:29 ` Thomas Monjalon
2022-07-20 17:32 ` Stephen Hemminger
2022-11-02 14:09 ` Hemant Agrawal
2022-11-02 15:47 ` Thomas Monjalon
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