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Date:      Wed, 24 Nov 1999 09:15:06 +0100
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Peter Wemm <peter@netplex.com.au>, Christopher Masto <chris@netmonger.net>, freebsd-current@FreeBSD.ORG, security@FreeBSD.ORG
Subject:   Re: ps on 4.0-current 
Message-ID:  <33217.943431306@critter.freebsd.dk>
In-Reply-To: Your message of "Tue, 23 Nov 1999 23:23:20 PST." <199911240723.XAA14764@apollo.backplane.com> 

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In message <199911240723.XAA14764@apollo.backplane.com>, Matthew Dillon writes:

>    I'm trying to figure out how what started as a fix to a panic turned into
>    such a big mess.  And I don't even think the panic has even been fixed ---
>    it's just been made more obscure.

The panic hasn't been fixed, as has been repeatedly stated, but at least
a SMP machine doesn't panic when you run the 3rd command they teach you in 
any "UNIX for dummies" book.

>    In otherwords, nothing ps does blocks.  I can't imagine how changing 
>    the way arguments are fetched by encumbering procfs with even more 
>    junk would generate a sufficient boost in performance to be either 
>    noticeable visually or worth doing at all.

Matt, lets talk about this when you have examined the code in some detail.

>    It would be nice if the procfs panics were fixed, but not at the cost
>    of all of this.

The procfs panics are not fixed, I know that Allan Cox has looked at it.

Poul-Henning

--
Poul-Henning Kamp             FreeBSD coreteam member
phk@FreeBSD.ORG               "Real hackers run -current on their laptop."
FreeBSD -- It will take a long time before progress goes too far!


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