On Fri,  1 Jul 2022 10:28:14 +0000
Joyce Kong <joyce.k...@arm.com> wrote:

>       n_slots = last_slot - cur_slot;
> +     if (likely(mbuf_size >= pmd->cfg.pkt_buffer_size)) {
> +             while (n_slots && n_rx_pkts < nb_pkts) {
> +                     mbuf_head = rte_pktmbuf_alloc(mq->mempool);
> +                     if (unlikely(mbuf_head == NULL))
> +                             goto no_free_bufs;
> +                     mbuf = mbuf_head;
> +
> +next_slot1:
> +                     mbuf->port = mq->in_port;
> +                     s0 = cur_slot & mask;
> +                     d0 = &ring->desc[s0];
>  

You might get additional speedup by doing bulk allocation.
If you know you are going to get N packets than rte_pktmbuf_alloc_bulk()
might speed it up?

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