Date: Thu, 13 Nov 2008 01:34:01 -0800 (PST) From: Won De Erick <won.derick@yahoo.com> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: freebsd-hardware@freebsd.org Subject: Re: IRQ31 and IRQ32 on HPDL585 running FreeBSD 7.0 are consuming HIGH CPU usage Message-ID: <527634.76455.qm@web45804.mail.sp1.yahoo.com> References: <704830.24415.qm@web45815.mail.sp1.yahoo.com> <20081113072610.GA13698@icarus.home.lan> <576266.41435.qm@web45812.mail.sp1.yahoo.com> <20081113074602.GB13938@icarus.home.lan> <366483.43588.qm@web45807.mail.sp1.yahoo.com> <20081113081936.GA14779@icarus.home.lan>
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Jeremy Chadwick wrote:
>> On Thu, Nov 13, 2008 at 12:07:37AM -0800, Won De Erick wrote:
>> Noted on this, I will update you through this thread.
>>
>> However is there any possibility of the following:
>>
>> > I don't know if there's a way to split the interrupt request for each bce's Rx and Tx,
>> > which means a total of four IRQs, and eventually four cores (or 4 CPUs)
>> > for the transactions. With this way, the IDLE processors would be utilized.
>>
>> What I mean here is, for the two interfaces:
>>
>> one IRQ for bce0 Rx
>> one IRQ for bce0 Tx
>> one IRQ for bce1 Rx
>> one IRQ for bce1 Tx
> I can't even begin to imagine how this would be possible on any NIC.
Yeah, but I can't also imagine how beneficial this idea when implemented.
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