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Date:      Thu, 10 Aug 2006 12:22:14 +0200
From:      Roberto Nunnari <roberto.nunnari@supsi.ch>
To:        Stefan Bethke <stb@lassitu.de>
Cc:        "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org>
Subject:   Re: top: what processes use the CPU?
Message-ID:  <44DB08D6.5040505@supsi.ch>
In-Reply-To: <8456CA11-8076-45EF-B5A8-E79319C22D4A@lassitu.de>
References:  <44DAD47B.3030600@supsi.ch> <ED756A9A-3591-4DD7-8DC7-65FFD6E7FD6B@lassitu.de> <44DAF7D7.6000608@supsi.ch> <8456CA11-8076-45EF-B5A8-E79319C22D4A@lassitu.de>

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Stefan Bethke wrote:
> Am 10.08.2006 um 11:09 schrieb Roberto Nunnari:
> 
>> Stefan Bethke wrote:
>>> Am 10.08.2006 um 08:38 schrieb Roberto Nunnari:
>>>> Hello everybody.
>>>>
>>>> Just a short question: Why top doesn't any more show what
>>>> processes use the CPU? I mean.. 0.0% idle and the sum of the
>>>> processes CPU doesn't reach 1.0%..
>>>>
>>>> as an example, while make buildkernel top shows:
>>> Because the cc processes are too short lived to consistently show up 
>>> when top is scanning the process table?
>>
>> Ok.. but as idle CPU shows 0.0%, there should be a way of getting
>> the processes that finished already living but caused that 0.0% idle..
>>
>> What if your users are running lot of short lived processes?
>> How can you find them out?
> 
> You can't with current FreeBSD tools.
> 
> Efforts are underway to port DTrace from Solaris, which allows gathering 
> information like this, among many other interesting things.
> 
> 
> Stefan
> 
> --Stefan Bethke <stb@lassitu.de>   Fon +49 170 346 0140
> 


Ok. Thank you Stefan.

Best regards.
--
Robi




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