From: Aaron Wood <woody77@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>,
cake@lists.bufferbloat.net, bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Cake] [Bloat] are anyone playing with dpdk and vpp?
Date: Wed, 27 Apr 2016 15:40:19 -0700 [thread overview]
Message-ID: <CALQXh-NqAOTjex7mma1w72Dx9FeFKFB9-8XudaZ7VVpJ6xb5qw@mail.gmail.com> (raw)
In-Reply-To: <CAA93jw7Z=LKiesks9X3wWS2xu-U+AW0nhquO4_MPDtRzfkgmUw@mail.gmail.com>
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> 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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prev parent reply other threads:[~2016-04-27 22:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-27 18:57 [Cake] " Dave Taht
2016-04-27 19:28 ` [Cake] [Bloat] " Aaron Wood
2016-04-27 19:32 ` Stephen Hemminger
2016-04-27 19:37 ` Mikael Abrahamsson
2016-04-27 19:45 ` Dave Taht
2016-04-27 19:50 ` Dave Taht
2016-04-27 22:40 ` Aaron Wood [this message]
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