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Date: Mon, 24 Oct 2011 11:01:17 -0700
Message-ID: <CAFOYbcnF8Q-E0Jocja6LQ8HuwTwkL5ghuo_KWM0uku0mxpNHDw@mail.gmail.com>
From: Jack Vogel <jfvogel@gmail.com>
To: Sergey Saley <sergeysaley@gmail.com>
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Subject: Re: Too much interrupts on ixgbe
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On Mon, Oct 24, 2011 at 10:46 AM, Sergey Saley <sergeysaley@gmail.com>wrote:

>
> Jack Vogel wrote:
> >
> > You need to increase your mbuf pool, note below in your messages where it
> > has
> > insufficient to configure for ix1, I don't know that this will change the
> > interrupt
> > difference but it should be addressed anyway.
> >
>
> Thank You for answer!
> Nobody's fault but mine :-(
> Being fixing...
>
>
> Jack Vogel wrote:
> >
> > I also noticed that you have the adapter in a PCIE 1.0 slot (only 2.5
> > Gb/s),
> > that
> > will limit you, you should move to a 2.0 slot if possible.
> >
>
> PCI Express Bus: Speed 2.5Gb/s Width x8
> Does it not enough?
>
>
>
>
>
Depends on what is 'enough' :)  With bidirectional traffic on two ports you
will be
bus limited, on a 2.0 x8 slot you will not. So, given a choice, I'd go with
the newer
architecture...

Jack