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Re: CPU bound

From: Mladen Gogala <mladen(dot)gogala(at)vmsinfo(dot)com>
To: James Cloos <cloos(at)jhcloos(dot)com>
Cc: Royce Ausburn <royce(at)inomial(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: CPU bound
Date: 2010-12-21 11:34:27
Message-ID: 4D1090C3.5040509@vmsinfo.com (view raw or flat)
Thread:
Lists: pgsql-performance
On 12/20/2010 10:33 AM, James Cloos wrote:
>
> 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
That particular aspect will remain hidden, it's a domain of the hardware
architecture. Nevertheless, there are things like waiting on I/O or
waiting on lock, that would be extremely useful.


-- 
Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
www.vmsinfo.com


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