Date: Tue, 01 Apr 2003 17:59:55 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Mike Silbersack <silby@silby.com> Cc: hackers@freebsd.org Subject: Re: "Expensive timeout(9) function..." Message-ID: <36448.1049212795@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 01 Apr 2003 09:54:04 MDT." <20030401095201.O1612@odysseus.silby.com>
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In message <20030401095201.O1612@odysseus.silby.com>, Mike Silbersack writes: > > >On Tue, 1 Apr 2003, Yar Tikhiy wrote: > >> Thanks for your explanation! >> >> I hope this little thread will draw the attention of the >> responsible or interested parties to the warnings ;-) >> >> -- >> Yar > >The _tick routines are not easy to fix, FWIW. MII access functions are >quite time consuming almost any way you look at it. I'm not sure the _tick functions should even be called from a timeout(). In many ways it seems preferable to me to have then run sequentially from a single thread, possibly via a task-queue. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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