Re: TG3: very high CPU usage
From: Lincoln Dale (ltd_at_cisco.com)
Date: 01/20/04
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Date: Tue, 20 Jan 2004 23:09:36 +1100 To: "Mark Williams (MWP)" <mwp@internode.on.net>
At 09:16 PM 20/01/2004, Mark Williams (MWP) wrote:
> > i have LOTS of IBM xSeries servers (IBM x335, x345, x440), all of which
> > have Broadcom BCM 5700 (tg3) NICs.
> > i drive them all at wire-rate gig-e with iSCSI.
> >
> > i'm yet to see any 'excessive' CPU load associated with tg3 relative to
> > tigon2 (AceNIC2) and Intel e1000 NICs.
>
>It might not effect those cards.
>I think the TG3 driver was changed to support the card im trying to use
>(Netgear GA302T) and similar.
curious.
i remember from the Tigon2 days, it didn't matter if you used a NetGear
card, an Alteon card, or an Alteon card ripped out of the inside of an
ACEDirector switch -- they were all the same reference design.
i don't believe that anyone using the bcm5700 would deviate significantly
beyond the reference design - there wouldn't be any reason to.
(the only variants are probably due to dual-port versions ... of course,
i'm sure the tg3 driver authors will now correct me on the differences.
<grin>).
cheers,
lincoln.
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