Date: Sun, 16 Jul 2000 11:36:14 +0930 From: Greg Lehey <grog@lemis.com> To: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> Cc: Gregory Bond <gnb@itga.com.au>, bgoering@ilsmart.com, stable@FreeBSD.ORG Subject: Re: Hardware Info Message-ID: <20000716113614.C57098@wantadilla.lemis.com> In-Reply-To: <200007141855.LAA16886@gndrsh.dnsmgr.net> References: <200007140340.NAA29955@lightning.itga.com.au> <200007141855.LAA16886@gndrsh.dnsmgr.net>
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On Friday, 14 July 2000 at 11:55:23 -0700, Rodney W. Grimes wrote:
>>> Is there a way to get a map of the ports, irq, dma in use on a FreeBSD
>>> system?
>>
>> For IRQs, use systat -vm or vmstat -i.
>
> Actually that works poorly in todays world of shared IRQ resources:
>
> rgrimes {104}% vmstat -i
> dc0 irq15 5189147 71
> dc1 irq14 6570342 90
> mux irq11 20937873 289
> mux irq10 25513282 352
>
> Now just what is on irq10 and 11???
To expand on that, "mux" means that more than one device is connected
to the irq, and the interrupts are handled by a "multiplexer". This
could change in the near future with interrupt threads.
Greg
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