On Wed, Dec 05, 2007 at 04:03:29PM +0100 Philipp Wuensche mentioned: > Adrian Chadd wrote: > > On 05/12/2007, Philipp Wuensche <[EMAIL PROTECTED]> wrote: > > > >> As I understand it, and correct me if I'm wrong, polling helps against > >> high interrupt rates but for that intel gigabit cards have interrupt > >> moderation. We don't have a problem with interrupts (20% CPU) at the > >> moment but with system (100% CPU) as you can see in the system > >> monitoring graphs. Interrupts sometimes peak at, but usually are under, > >> the 2k interrupts/sec limit. > > > > Begin by reading up on the hardware profiling support (hwpmc, pmc, > > etc) and see if you can get some system and process-specific profiling > > information. > > Oh interesting stuff, I definitely have to take a look into that. Nice. >
You can find a good tutorial on hwpmc by Robert Watson here: http://lists.freebsd.org/pipermail/freebsd-current/2006-February/061096.html -- Stanislav Sedov ST4096-RIPE _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[EMAIL PROTECTED]"