I take it everyone else is just as lost as me on how answer this one ? -Terry
On 4/5/06, Terry Tree <[EMAIL PROTECTED]> wrote: > Anyone know where DragonFly stands in this regard ? > > -Terry > > From: Paolo Pisati <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Message-ID: <[EMAIL PROTECTED]> > 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 <[EMAIL PROTECTED]> > Subject: Interesting data on network interrupt - part II > X-BeenThere: [email protected] > 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:[EMAIL PROTECTED]> > List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current> > List-Post: <mailto:[email protected]> > List-Help: <mailto:[EMAIL PROTECTED]> > List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, > <mailto:[EMAIL PROTECTED]> > Sender: [EMAIL PROTECTED] > Errors-To: [EMAIL PROTECTED] > > 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 >
