Date: Wed, 2 May 2007 10:56:34 -0400 From: John Baldwin <jhb@freebsd.org> To: Darren Reed <darrenr@hub.freebsd.org> Cc: cvs-src@freebsd.org, Nate Lawson <njl@freebsd.org>, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/kern kern_intr.c src/sys/sys interrupt.h Message-ID: <200705021056.34887.jhb@freebsd.org> In-Reply-To: <20070502070707.GA68774@hub.freebsd.org> References: <200705020615.l426FDo7015874@repoman.freebsd.org> <20070502070707.GA68774@hub.freebsd.org>
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On Wednesday 02 May 2007 03:07:07 am Darren Reed wrote: > On Wed, May 02, 2007 at 06:15:13AM +0000, Nate Lawson wrote: > > njl 2007-05-02 06:15:13 UTC > > > > FreeBSD src repository > > > > Modified files: (Branch: RELENG_6) > > sys/kern kern_intr.c > > sys/sys interrupt.h > > Log: > > MFC: rate-check the interrupt storm message and bump the counter 500 -> 1000 > > Is this number, "500" or "1000" somehow "magical" for modern hardware? > > If I had a 500MHZ, 1GHz, 1.5GHz, 2GHz, 2.5GHz machines, each with the > appropriate architecture, what would the correct value for this be? > Is i always 1000 or should it be calculated? It's a SWAG and tunable for machines where it doesn't work. In practice the old setting seemed to be a bit too trigger-happy as I know my printer always triggered it, for example. -- John Baldwin
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