[TEST/REVIEW] CPU accounting patches
Andre Guibert de Bruet
andy at siliconlandmark.com
Fri Jan 27 19:15:17 PST 2006
On Jan 27, 2006, at 3:50 AM, Mike Jakubik wrote:
> Kevin Oberman wrote:
>> Good accounting is very important to some, but the issue of
>> dealing with reduced clock speed is almost certainly of no issue
>> when it comes to charging for computer use. I can't imagine any
>> reason someone would be paying for CPU time on a processor not
>> running "full out".
>>
>> The only time that this might be an issue is when thermal
>> management takes over. I'd hope that thermal management would
>> never kick in on a commercial compute server, but, if it did, the
>> customer should, at least, only pay for the number of seconds the
>> job would have run had it been properly cooled. (Actually, he
>> should probably pay less as his time is also being wasted.)
>
> As a user from the 2.x days, i would much rather have the great
> increase of context switching performance than super accurate cpu
> accounting that i will never use. FreeBSD needs to focus on
> performance now.
These are my exact thoughts on the matter!
Andy
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