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From: tadguy@cs.odu.edu (Tad Guy)
Newsgroups: comp.sys.amiga.tech,comp.sys.amiga
Subject: Re: Dnet at 1200 baud
Summary: use uptime, but it's still very inefficient
Message-ID: <8212@xanth.cs.odu.edu>
Date: 27 Mar 89 17:24:36 GMT
References: <42700008@m.cs.uiuc.edu>
Sender: news@cs.odu.edu
Reply-To: tadguy@cs.odu.edu (Tad Guy)
Followup-To: comp.sys.amiga
Organization: Old Dominion University, Norfolk, VA
Lines: 31
In-reply-to: schwager@m.cs.uiuc.edu

[ This isn't a technical amiga discussion anymore. 
  Followups to comp.sys.amiga. ]

In article <42700008@m.cs.uiuc.edu>, schwager@m.cs writes:
>Also, to use loadav Dnet expects a command called "la" on the Unix side.
>Where can I get this?

You're running an obsolete version of DNet.  The current version
(2.01) uses the more commonly found ``uptime'' command.  You can get
the current version via anonymous ftp from ucbvax.berkeley.edu
(/pub/amiga/dnet*) or xanth.cs.odu.edu (/amiga/dnet-2.01.tar.Z).

If you don't want to upgrade, you can use the ``uptime'' command in
place of ``la'' in sloadav.c in the UNIX code.  The old sloadav does
work with the uptime command.

However, you might not want to use sloadav.  It's setup to invoke
``uptime'' for *each* update.  This means that for every update, your
server process forks, invokes a shell which execs uptime.  This is a
lot of overhead for a loadav display.  A better solution would be
either to have sloadav read /dev/kmem directly (security problems
aside), or use RPC/XDR to get the data more efficiently (but not
everyone has rpc, though it is available).

I don't run loadav because of the amount of load it adds to the system...
(Seems self defeating...)

	...tad

-- 
Tad Guy         <tadguy@cs.odu.edu>     Old Dominion University, Norfolk, VA