Date: Wed, 17 Nov 2004 02:50:52 -0500 From: Joe Marcus Clarke <marcus@marcuscom.com> To: John Baldwin <jhb@FreeBSD.org> Cc: Robert Watson <rwatson@FreeBSD.org> Subject: Re: 6-CURRENT unbelievably slow? Message-ID: <419B02DC.3060508@marcuscom.com> In-Reply-To: <200411161105.43475.jhb@FreeBSD.org> References: <Pine.NEB.3.96L.1041110212739.85487A-100000@fledge.watson.org> <200411151424.49790.jhb@FreeBSD.org> <4199AEC8.1070608@marcuscom.com> <200411161105.43475.jhb@FreeBSD.org>
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John Baldwin wrote:
|>Yes, this patch makes a world of difference. The interrupt storm is
|>still there, but the ata0 (irq 14) rate is down to 1480 per second, and
|>the interrupt load is only ~2%. Thanks.
|
|
| Can you tweak it a bit and see if it works even better if you put an
#if 0
| around the lines that read:
|
| + if (count > hz) {
| + storming = 0;
| + count = 0;
| + } else
| + count++;
Removing these lines brings the storm down to ~978 per second, so yes,
this is better. Thanks.
Joe
- --
PGP Key : http://www.marcuscom.com/pgp.asc
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