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Date:      Mon, 14 Jul 1997 21:38:11 +0100
From:      Bob Bishop <rb@gid.co.uk>
To:        Steve Passe <smp@csn.net>
Cc:        hackers@FreeBSD.ORG, smp@FreeBSD.ORG
Subject:   Re: interrupt latency
Message-ID:  <l0302090aaff03e27db0e@[194.32.164.2]>
In-Reply-To: <199707141751.LAA02683@Ilsa.StevesCafe.com>

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At 18:51 +0100 14/7/97, Steve Passe wrote:
>Hi,
>
>Can anyone recommend a test suite/methodology for evaluating interrupt
>latency?
>I have some ideas for improving the (currently poor) int response of the SMP
>kernel, but need a way to determine if I am actually bettering things.

A digital output port and an oscilloscope, logic analyser or something
similar. Any other (ie non-hardware) method is just inviting confusion.


--
Bob Bishop              (0118) 977 4017  international code +44 118
rb@gid.co.uk        fax (0118) 989 4254  between 0800 and 1800 UK





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