Re: Wierd context-switching issue on Xeon

Hi Tom,

You still have an account on my Unixware Bi-Xeon hyperthreded machine.
Feel free to use it for your tests.
On Mon, 19 Apr 2004, Tom Lane wrote:

> Date: Mon, 19 Apr 2004 20:53:09 -0400
> From: Tom Lane <tgl@sss.pgh.pa.us>
> To: josh@agliodbs.com
> Cc: Joe Conway <mail@joeconway.com>, scott.marlowe <scott.marlowe@ihs.com>,
>      Bruce Momjian <pgman@candle.pha.pa.us>, lutzeb@aeccom.com,
>      pgsql-performance@postgresql.org, Neil Conway <neilc@samurai.com>
> Subject: Re: [PERFORM] Wierd context-switching issue on Xeon
>
> I wrote:
> > Here is a test case.
>
> Hmmm ... I've been able to reproduce the CS storm on a dual Athlon,
> which seems to pretty much let the Xeon per se off the hook.  Anybody
> got a multiple Opteron to try?  Totally non-Intel CPUs?
>
> It would be interesting to see results with non-Linux kernels, too.
>
>             regards, tom lane
>
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