Date: Sun, 9 Feb 2003 13:30:16 -0800 (PST) From: "Steven Hartland" <killing@multiplay.co.uk> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/47235: top reports inaccurate cpu usage Message-ID: <200302092130.h19LUGLj032542@freefall.freebsd.org>
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The following reply was made to PR bin/47235; it has been noted by GNATS.
From: "Steven Hartland" <killing@multiplay.co.uk>
To: <freebsd-gnats-submit@FreeBSD.org>,
"Colin Percival" <colin.percival@wadham.ox.ac.uk>
Cc:
Subject: Re: bin/47235: top reports inaccurate cpu usage
Date: Sun, 9 Feb 2003 21:21:49 -0000
I've also notice a high discrepancy in on our game server which don't
run short lived processes per say is there anyway I could investigate
this further?
Regards
Steve
----- Original Message -----
From: "Colin Percival" <colin.percival@wadham.ox.ac.uk>
To: <freebsd-gnats-submit@FreeBSD.org>; <killing@multiplay.co.uk>
Sent: 09 February 2003 20:59
Subject: Re: bin/47235: top reports inaccurate cpu usage
> I'm not sure this is a bug. If a process starts and stops during the
> interval between top's updates, its cpu usage will be reflected in the "CPU
> states" header, but top won't list the process (because it isn't running
> any longer). This shows up most often while rebuilding the world or kernel
> due to the large number of very short-lived processes which are spawned.
> This could be fixed, I suppose, by reading the accounting files, but I
> don't think it's worth the added complexity.
>
> Colin Percival
>
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