Messages in this thread | | | Date | Thu, 24 Apr 2003 02:12:50 -0700 | From | William Lee Irwin III <> | Subject | Re: [ANNOUNCE] desc.c -- dump the i386 descriptor tables |
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wli wrote: >> Spiffy; this should help debug various things.
On Thu, Apr 24, 2003 at 05:06:58AM -0400, Chuck Ebbert wrote: > I forgot to mention: try comparing 2.2, 2.4 and 2.5. > Also, this is what I've been using to look at interrupt entry > point alignment. On 2.4 for sure, and probably on 2.5 you have > a 1-in-8 chance of getting a pathologically badly aligned timer > handler on 32-byte cacheline machines every time you compile > (IRQ 0 entry address & 0x1f == 0x1c.) OTOH the pagefault handler > has come up 8-byte aligned every time but I didn't look at the > source to see if it's coded that way.
I had more in mind using it to verify the correctness of per-node IDT stuff than checking optimality in general, but it does look very handy.
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