Thread (195 messages) 195 messages, 4 authors, 2021-01-28

Re: [dpdk-dev] [PATCH v1 02/38] net/mvpp2: remove debug log on fast-path

From: Jerin Jacob <hidden>
Date: 2021-01-11 14:33:49

On Wed, Dec 2, 2020 at 3:42 PM [off-list ref] wrote:
From: Liron Himi <redacted>

in case of non-ip frame the current code reached the 'default'
In case of
case which result with function call to log a msg.
those kind of calls should not be performed on fast-path.

The performance for this kind of frames increased by 50%

Fixes: acab7d58c ("net/mvpp2: convert to dynamic logging")
Cc: stable@dpdk.org

Signed-off-by: Liron Himi <redacted>
Reviewed-by: Liron Himi <redacted>
Please remove the Reviewed-by if you have Signed-off,
quoted hunk ↗ jump to hunk
---
 drivers/net/mvpp2/mrvl_ethdev.c | 2 --
 1 file changed, 2 deletions(-)
diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c
index 93fb30cdb..8c3278ec4 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -2171,7 +2171,6 @@ mrvl_desc_to_packet_type_and_offset(struct pp2_ppio_desc *desc,
                *l4_offset = *l3_offset + MRVL_ARP_LENGTH;
                break;
        default:
-               MRVL_LOG(DEBUG, "Failed to recognise l3 packet type");
                break;
        }
@@ -2183,7 +2182,6 @@ mrvl_desc_to_packet_type_and_offset(struct pp2_ppio_desc *desc,
                packet_type |= RTE_PTYPE_L4_UDP;
                break;
        default:
-               MRVL_LOG(DEBUG, "Failed to recognise l4 packet type");
There are other prints in fastpath such as
"MRVL_LOG(ERR, "Failed to receive packets");", please remove those as well.

                break;
        }

--
2.28.0
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