Re: Wierd context-switching issue on Xeon

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(dot)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: Wierd context-switching issue on Xeon
Date: 2004-04-20 00:53:09
Message-ID: 1931.1082422389@sss.pgh.pa.us
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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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