Re: CPU bound

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От
James Cloos
Тема
Re: CPU bound
Дата
Msg-id
m362uo5uht.fsf@jhcloos.com
Ответ на
Re: CPU bound (Mladen Gogala)
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Дерево обсуждения
CPU bound Royce Ausburn <royce@inomial.com>
Re: CPU bound Craig Ringer <craig@postnewspapers.com.au>
Re: CPU bound Josh Berkus <josh@agliodbs.com>
Re: CPU bound Royce Ausburn <royce@inomial.com>
Re: CPU bound James Cloos <cloos@jhcloos.com>
Re: CPU bound Mladen Gogala <mladen.gogala@vmsinfo.com>
Re: CPU bound Jim Nasby <Jim@Nasby.net>
Re: CPU bound Mladen Gogala <mladen.gogala@vmsinfo.com>
Question: BlockSize > 8192 with FusionIO "Strange, John W" <john.w.strange@jpmchase.com>
Re: Question: BlockSize > 8192 with FusionIO Greg Smith <greg@2ndquadrant.com>
Re: Question: BlockSize > 8192 with FusionIO Merlin Moncure <mmoncure@gmail.com>
Re: Question: BlockSize > 8192 with FusionIO Scott Carey <scott@richrelevance.com>
Re: Question: BlockSize > 8192 with FusionIO Ben Chobot <bench@silentmedia.com>
Re: Question: BlockSize > 8192 with FusionIO "Strange, John W" <john.w.strange@jpmchase.com>
Re: Question: BlockSize > 8192 with FusionIO "Strange, John W" <john.w.strange@jpmchase.com>
Re: CPU bound James Cloos <cloos@jhcloos.com>
Re: CPU bound Kenneth Marshall <ktm@rice.edu>
Re: CPU bound Jeremy Harris <jgh@wizmail.org>
Re: CPU bound Mladen Gogala <mladen.gogala@vmsinfo.com>
>>>>> "MG" == Mladen Gogala  writes:

MG> Good time accounting is the most compelling reason for having a wait
MG> event interface, like Oracle. Without the wait event interface, one
MG> cannot really tell where the time is spent, at least not without
MG> profiling the database code, which is not an option for a production
MG> database.

And how exactly, given that the kernel does not know whether the CPU is
active or waiting on ram, could an application do so?

-JimC
-- 
James Cloos          OpenPGP: 1024D/ED7DAEA6
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