From: Mladen Gogala <mladen.gogala@vmsinfo.com>
To: James Cloos <cloos@jhcloos.com>
Cc: Royce Ausburn <royce@inomial.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: CPU bound
Date: Tue, 21 Dec 2010 06:34:27 -0500
Message-ID: <4D1090C3.5040509@vmsinfo.com> (raw)
In-Reply-To: <m362uo5uht.fsf@jhcloos.com>
References: <F13DEE85-D114-4761-AD4D-924F1A741ACC@inomial.com>
<m38vzl6z17.fsf@jhcloos.com>
<4D0EFC02.7040004@vmsinfo.com>
<m362uo5uht.fsf@jhcloos.com>
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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To: pgsql-performance@postgresql.org
Cc: mladen.gogala@vmsinfo.com, cloos@jhcloos.com, royce@inomial.com
Subject: Re: CPU bound
In-Reply-To: <4D1090C3.5040509@vmsinfo.com>
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