On 6/7/07, Andrew Thompson <thompsa_at_freebsd.org> wrote: > On Thu, Jun 07, 2007 at 12:10:31PM +0300, Abdullah Ibn Hamad Al-Marri wrote: > > Hello Guys, > > > > Almost all cases polling(4) adds additional latency. > > There are some cases that polling(4) helps a little but most cases it > > wouldn't. > > > > So why not remove it or switch to adaptive polling as em(4) instead of > > resorting to polling? > > Are you just talking about em(4) or removing polling for all drivers? It > is helpful in some cases, for example I run FreeBSD on a Nortel > contivity 1010 box where interrupts do not work on the fxp interface and > yet its quite usable with polling mode. > > Its not enabled by default so its up to the user if they want to make > use of it. > > > cheers, > Andrew I mean can't we use better handeling for nics which is better than current polling(4)? -- Regards, -Abdullah Ibn Hamad Al-Marri Arab Portal http://www.WeArab.Net/Received on Thu Jun 07 2007 - 07:36:20 UTC
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