Date: Tue, 16 Nov 2004 11:32:48 -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: <419A2BB0.7090302@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:
| On Tuesday 16 November 2004 02:39 am, Joe Marcus Clarke wrote:
|
|>John Baldwin wrote:
|>| On Thursday 11 November 2004 05:37 pm, Kris Kennaway wrote:
|>|>On Thu, Nov 11, 2004 at 01:39:09PM +0100, Alexander@Leidinger.net wrote:
|>|>>Zitat von Joe Marcus Clarke <marcus@freebsd.org>:
|>|>>>I noticed the interrupt storm detection line in dmesg. In previous
|>|>>>builds, this worked, but it doesn't seem to be taking effect anymore.
|>|>>
|>|>>AFAIK the interrupt storm detection was removed (at least partially).
|>|>
|>|>s/removed/fixed so it doesn't give so many false positives/
|>|>
|>|>(at least partially) ;-)
|>|>
|>|>Talk to jhb..
|>|
|>| Please try this patch out and let me know if it does any better:
|>
|>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++;
|
|
Sure. I'll give this a shot as soon as my current package build is
done. Thanks.
Joe
- --
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