[Bloat] [Cake] are anyone playing with dpdk and vpp?
Aaron Wood
woody77 at gmail.com
Wed Apr 27 18:40:19 EDT 2016
> where the tx and rx rings are cleaned up in the same thread and there
> is only one interrupt line for both.
>
> 51: 18 59244 253350 314273 PCI-MSI
> 1572865-edge enp3s0-TxRx-0
> 52: 5 484274 141746 197260 PCI-MSI
> 1572866-edge enp3s0-TxRx-1
> 53: 9 152225 29943 436749 PCI-MSI
> 1572867-edge enp3s0-TxRx-2
> 54: 22 54327 299670 360356 PCI-MSI
> 1572868-edge enp3s0-TxRx-3
> 56: 525343 513165 2355680 525593 PCI-MSI
> 2097152-edge ath10k_pci
>
> and the ath10k only uses one interrupt. Maybe I'm wrong on my
> assumptions, I'd think in today's multi-core environment that
> processing tx and rx separately might be a win. (?)
>
The TX interrupt is used to free the SKB after the DMA from memory to the
NIC, correct? (hard_start_xmit()?)
-Aaron
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