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(at)sss(dot)pgh(dot)pa(dot)us>
> To: josh(at)agliodbs(dot)com
> Cc: Joe Conway <mail(at)joeconway(dot)com>, scott.marlowe <scott(dot)marlowe(at)ihs(dot)com>,
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, lutzeb(at)aeccom(dot)com,
> pgsql-performance(at)postgresql(dot)org, Neil Conway <neilc(at)samurai(dot)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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