Subject: Re: soc zfs: taskqueue / workqueue
To: None <rmind@NetBSD.org>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 07/11/2007 14:12:48
> Daniel Carosone <dan@geek.com.au> wrote:
> > As well as the instance examples from freebsd, we've talked before
> > about per-cpu workqueues each with a cpu-bound lwp processing jobs
> > from it, for running things like est frequency changes.
> > 
> > If you wanted to run something on all cpu's, you could either insert a
> > task on all those queues, or arrange for the task to run on the first,
> > and add itself to the next cpu's workqueue each time, depending on the
> > nature of what you wanted to run.
> Since kthreads could be per-CPU, workqueue(9) interface could be adopted too.
> I am not sure about having some per-CPU kthreads (created at mi_cpu_attach())
> as general worker-threads - would this be reasonable?
> 
> http://www.netbsd.org/~rmind/workqueue.diff  (not tested)
> Comments?
> 
> -- 
> Best regards,
> Mindaugas
> www.NetBSD.org

Trying 204.152.190.12...
Requesting http://www.netbsd.org/~rmind/workqueue.diff
ftp: Error retrieving file - `404 Not Found'

YAMAMOTO Takashi