Re: tlb misses

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 when a tlb miss happens, will the access bit of pte entry of the page be
affected??

 Thanks

On Mon, 28 Jul 2003 bellucda@tiscali.it wrote:

>
> >-- Messaggio Originale --
> >Date:	Mon, 28 Jul 2003 10:56:25 -0400 (EDT)
> >From:	"Raghu R. Arur" <rra2002@aria.ncl.cs.columbia.edu>
> >To:	Ed L Cashin <ecashin@uga.edu>
> >cc:	"Raghu R. Arur" <rra2002@cs.columbia.edu>,
> >	kernelnewbies@nl.linux.org
> >Subject: Re: tlb misses
> >
> >
> >
>  So is there no way that i can account for tlb misses. For my purpose i
> need to catch the tlb misses. Is there no way in x86 to catch the tlb
> misses. Is there a documentation about the tlbs anywhere. I searched thru
> intel documentation, but dint g
> >t any useful info.
>
> IMHO i don't think is possible to account tlb misses.
>
> anyway, linux pagefault handler isn't invoked on tlb misses.
>
>
>
> On Mon, 28 Jul 2003, Ed L Cashin wrote:
>
> > "Raghu R. Arur" <rra2002@cs.columbia.edu> writes:
> >
> > >  hi,
> > >
> > >   How are tlb misses handled in linux?
> >
> > In x86 the hardware handles the miss by
> >ooking up the translation in
> > the page tables, starting with the pgd pointer stored in cr3.
> >
> > > are tlb misses accounted as minor faults ??
> >
> > In the above case, I don't think so, since the page fault handler
> > isn't invoked.
> >
> > --
> > --Ed
> >L Cashin            |   PGP public key:
> >   ecashin@uga.edu        |   http://noserose.net/e/pgp/
> >
> --
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>
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