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From: Tiwei Bie <tiwei.bie@intel.com>
To: Thierry Herbelot <thierry.herbelot@6wind.com>
Cc: dev@dpdk.org, Thibaut Collet <thibaut.collet@6wind.com>,
	stable@dpdk.org, Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-stable] [PATCH 19.11 V2 08/12] virtio: fix rx stats with vectorized functions
Date: Thu, 8 Aug 2019 13:15:47 +0800
Message-ID: <20190808051547.GA16478@___> (raw)
In-Reply-To: <b639ae62e0f4be8864cb3969b1cbd26bfaf19c69.1565190405.git.thierry.herbelot@6wind.com>

On Wed, Aug 07, 2019 at 05:09:17PM +0200, Thierry Herbelot wrote:
> From: Thibaut Collet <thibaut.collet@6wind.com>
> 
> With vectorized functions, only the rx stats for number of packets is
> incremented.
> Update also the other statistics.
> Performance impact is about 2%

Could you share some details about your performance test?


> diff --git a/drivers/net/virtio/virtio_rxtx_simple_sse.c b/drivers/net/virtio/virtio_rxtx_simple_sse.c
> index af76708d66ae..c757e8c9d601 100644
> --- a/drivers/net/virtio/virtio_rxtx_simple_sse.c
> +++ b/drivers/net/virtio/virtio_rxtx_simple_sse.c
> @@ -48,6 +48,7 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
>  	struct vring_used_elem *rused;
>  	struct rte_mbuf **sw_ring;
>  	struct rte_mbuf **sw_ring_end;
> +	struct rte_mbuf **ref_rx_pkts;
>  	uint16_t nb_pkts_received = 0;
>  	__m128i shuf_msk1, shuf_msk2, len_adjust;
>  
> @@ -107,6 +108,7 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
>  			virtqueue_notify(vq);
>  	}
>  
> +	ref_rx_pkts = rx_pkts;
>  	for (nb_pkts_received = 0;
>  		nb_pkts_received < nb_used;) {
>  		__m128i desc[RTE_VIRTIO_DESC_PER_LOOP / 2];
> @@ -190,5 +192,9 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
>  	vq->vq_used_cons_idx += nb_pkts_received;
>  	vq->vq_free_cnt += nb_pkts_received;
>  	rxvq->stats.packets += nb_pkts_received;
> +	for (nb_used = 0; nb_used < nb_pkts_received; nb_used++) {
> +		rxvq->stats.bytes += ref_rx_pkts[nb_used]->pkt_len;
> +		virtio_update_packet_stats(&rxvq->stats, ref_rx_pkts[nb_used]);

The stats.bytes was updated twice by above code.

> +	}
>  	return nb_pkts_received;
>  }
> -- 
> 2.11.0
> 

  reply index

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-07 14:37 [dpdk-stable] [PATCH 19.11 00/12] Miscellaneous fixes Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 01/12] net/ixgbevf: fix stats update after a PF reset Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 02/12] ethdev: fix description of tx descriptor status Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 03/12] net/e1000: fix Tx descriptor status api (igb) Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 04/12] net/e1000: fix Tx descriptor status api (em) Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 05/12] net/ixgbe: fix Tx descriptor status api Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 06/12] net/i40e: " Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 07/12] net/i40e: set speed to undefined for default case in link update Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 08/12] virtio: fix rx stats with vectorized functions Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 09/12] virtio: get all pending rx packets " Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 10/12] drivers/crypto/openssl: use a local copy for the session contexts Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 11/12] drivers/crypto/dpaa_sec: update DPAA iova table in dpaa_mem_vtop Thierry Herbelot
2019-08-07 14:37 ` [dpdk-stable] [PATCH 19.11 12/12] drivers/crypto/octeontx: enable unbinding for the OcteonTx crypto engines Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 00/12] Miscellaneous fixes Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 " Thierry Herbelot
2019-08-08 13:19     ` Thierry Herbelot
2019-08-08 14:34       ` Thomas Monjalon
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 01/12] net/ixgbevf: fix stats update after a PF reset Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 02/12] ethdev: fix description of tx descriptor status Thierry Herbelot
2019-08-08 10:37     ` [dpdk-stable] [dpdk-dev] " Andrew Rybchenko
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 03/12] net/e1000: fix Tx descriptor status api (igb) Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 04/12] net/e1000: fix Tx descriptor status api (em) Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 05/12] net/ixgbe: fix Tx descriptor status api Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 06/12] net/i40e: " Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 07/12] net/i40e: set speed to undefined for default case in link update Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 08/12] virtio: fix rx stats with vectorized functions Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 09/12] virtio: get all pending rx packets " Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 10/12] drivers/crypto/openssl: use a local copy for the session contexts Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 11/12] drivers/crypto/dpaa_sec: update DPAA iova table in dpaa_mem_vtop Thierry Herbelot
2019-08-08  8:22   ` [dpdk-stable] [PATCH 19.11 V3 12/12] drivers/crypto/octeontx: enable unbinding for the OcteonTx crypto engines Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 01/12] net/ixgbevf: fix stats update after a PF reset Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 02/12] ethdev: fix description of tx descriptor status Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 03/12] net/e1000: fix Tx descriptor status api (igb) Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 04/12] net/e1000: fix Tx descriptor status api (em) Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 05/12] net/ixgbe: fix Tx descriptor status api Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 06/12] net/i40e: " Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 07/12] net/i40e: set speed to undefined for default case in link update Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 08/12] virtio: fix rx stats with vectorized functions Thierry Herbelot
2019-08-08  5:15   ` Tiwei Bie [this message]
2019-08-08  7:35     ` Thibaut Collet
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 09/12] virtio: get all pending rx packets " Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 10/12] drivers/crypto/openssl: use a local copy for the session contexts Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 11/12] drivers/crypto/dpaa_sec: update DPAA iova table in dpaa_mem_vtop Thierry Herbelot
2019-08-07 15:09 ` [dpdk-stable] [PATCH 19.11 V2 12/12] drivers/crypto/octeontx: enable unbinding for the OcteonTx crypto engines Thierry Herbelot

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