From: Brice Goglin <brice@myri.com>
To: David Miller <davem@davemloft.net>
Cc: Ben Hutchings <bhutchings@solarflare.com>, netdev@vger.kernel.org
Subject: Re: multiqueue interrupts...
Date: Fri, 19 Sep 2008 14:29:07 +0200 [thread overview]
Message-ID: <48D39B13.60401@myri.com> (raw)
In-Reply-To: <1221824281.3103.8.camel@achroite>
Ben Hutchings wrote:
> On Thu, 2008-09-18 at 19:38 -0700, David Miller wrote:
> [...]
>
>> So on a multiqueue card with 2 RX queues and 2 TX queues we'd
>> have names like:
>>
>> eth0-rx-0
>> eth0-rx-1
>> eth0-tx-0
>> eth0-tx-1
>>
>> So let's make an effort to get this done right in 2.6.28 and meanwhile
>> Arjan can add the irqbalanced code.
>>
>
> What about the case where an interrupt is shared between RX and TX
> completions? Our hardware is very flexible in this regard, but based on
> performance testing prior to the introduction of TX multiqueue we
> currently allocate multiple interrupts for RX completions and share the
> first with TX completions.
>
myri10ge uses the same interrupts for TX and RX. The current name is
eth%d:slice-%d but we could change it if there's a consensus.
Brice
next prev parent reply other threads:[~2008-09-19 12:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-19 2:38 multiqueue interrupts David Miller
2008-09-19 11:38 ` Ben Hutchings
2008-09-19 12:29 ` Brice Goglin [this message]
2008-09-19 20:12 ` David Miller
2008-09-19 20:12 ` David Miller
[not found] ` <41b516cb0809191050t6c9783dele8926f697854bb1@mail.gmail.com>
2008-09-19 18:18 ` Matthew Wilcox
2008-09-19 20:14 ` David Miller
2008-09-19 20:57 ` Brandeburg, Jesse
2008-09-19 21:09 ` David Miller
2008-09-19 21:15 ` Matthew Wilcox
2008-09-19 22:11 ` Arjan van de Ven
2008-09-19 22:24 ` Andy Fleming
2008-09-19 22:28 ` Arjan van de Ven
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