Date: Mon, 20 May 1996 14:56:44 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, taob@io.org Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Slow tty updates and high load, but idle CPU Message-ID: <199605200456.OAA04750@godzilla.zeta.org.au>
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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
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