Re: interrupt numbers

["Terry Tree" <terry.tree@xxxxxxxxx>]

I take it everyone else is just as lost as me on how answer this one ?

-Terry

On 4/5/06, Terry Tree <terry.tree@xxxxxxxxx> wrote:
> Anyone know where DragonFly stands in this regard ?
>
> -Terry
>
> From: Paolo Pisati <p.pisati@xxxxxxxxxxxxxx>
> To: current@xxxxxxxxxxx
> Message-ID: <20060405003358.GA83600@xxxxxx>
> Mime-Version: 1.0
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: inline
> User-Agent: Mutt/1.4.2.1i
> X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at krisma.oltrelinux.com
> Cc: Luigi Rizzo <rizzo@xxxxxxxx>
> Subject: Interesting data on network interrupt - part II
> X-BeenThere: freebsd-current@xxxxxxxxxxx
> X-Mailman-Version: 2.1.5
> Precedence: list
> List-Id: Discussions about the use of FreeBSD-current
>         <freebsd-current.freebsd.org>
> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
>         <mailto:freebsd-current-request@xxxxxxxxxxx?subject=unsubscribe>
> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
> List-Post: <mailto:freebsd-current@xxxxxxxxxxx>
> List-Help: <mailto:freebsd-current-request@xxxxxxxxxxx?subject=help>
> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
>         <mailto:freebsd-current-request@xxxxxxxxxxx?subject=subscribe>
> Sender: owner-freebsd-current@xxxxxxxxxxx
> Errors-To: owner-freebsd-current@xxxxxxxxxxx
>
> Hi,
>
> i updated my work on interrupt profiling with sone new
> experiments.
>
> In total we have now:
>
> -FreeBSD 4 PIC (no asm part)
> -FreeBSD 7 APIC
> -FreeBSD 7 PIC
> -FreeBSD 7 PREE APIC
> -FreeBSD 7 APIC JHB
>
> Some quick comments:
>
> -PIC is much slower in masking interrupt (7k in PIC vs 3k in APIC)
> -PREE let new thread save less than 500 ticks of 'queue' while
>  preempted threads are often resumed after a lot
> -JHB patch shaved 2.5k ticks in interrupt masking op
>
> For graphs, data and more comments:
>
> http://mercurio.sm.dsi.unimi.it/~pisati/interrupt/
>
> bye
> --
>
> Paolo
>
> "le influenze esterne sono troppe, il mondo reale non e' mica
> quello fatato dei komunisti :-p" - Anonymous Lumbard
>