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Date: Mon, 20 May 1996 14:56:44 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199605200456.OAA04750@godzilla.zeta.org.au>
To: bde@zeta.org.au, taob@io.org
Subject: Re: Slow tty updates and high load, but idle CPU
Cc: freebsd-hackers@FreeBSD.ORG
Sender: owner-hackers@FreeBSD.ORG
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>> >> ttwrite() is probably sleeping on lbolt.  This should be easy to check
>> >> by looking at the sleep address in ps output.
>>
>> No, just look at the strings in `ps lax' output.

>    Hrmm... I just look for "lbolt" in the WCHAN column then?

No, "lbolt" would be a very poor sleep message (and is never used) since
it is unrelated to the reason for the sleep.  To find the relevant messages
you look for `lbolt' in the kernel sources.

Bruce