Date: Sat, 9 Sep 2006 08:33:14 +0800 From: David Xu <davidxu@freebsd.org> To: freebsd-hackers@freebsd.org Cc: John Giacomoni <John.Giacomoni@colorado.edu> Subject: Re: pin/bind a pthread to a processor? Message-ID: <200609090833.14856.davidxu@freebsd.org> In-Reply-To: <57213DB3-3D5A-4B11-AB29-5696DC4B3AC2@colorado.edu> References: <57213DB3-3D5A-4B11-AB29-5696DC4B3AC2@colorado.edu>
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On Saturday 09 September 2006 04:18, John Giacomoni wrote: > Is it possible to bind a pthread to a processor in 5.5 or 6.1? > > I currently have a code base that uses libpthread with multiple > threads, mutexes and condition variables. > The problem I'm having is that I seem to be suffering wall-clock > timing aberrations that I believe are introduced by the scheduler. > > Thanks, > > John G > > -- > > John.Giacomoni@colorado.edu > University of Colorado at Boulder > Department of Computer Science > Engineering Center, ECCR 1B50 > 430 UCB > Boulder, CO 80303-0430 > USA I don't think we have such API allowing you to bind a thread to a specific CPU, I had implemented such an API for DragonFlyBSD, but its 1:1 threading is not mature yet. David Xu
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