Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Adam Migus
> > > On Tue, 28 Jan 2003, Adam Migus wrote: > >> Yes, just to be more explicit. What I want to do is get >> the >> 'real' difference a second processor makes. ie. If I run >> GENERIC I'm not incurring the overhead associated with >> SMP/APIC. >> I want to use the same kernel making as small a

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Wilko Bulte
On Tue, Jan 28, 2003 at 12:33:32PM -0500, Andre Guibert de Bruet wrote: > > > On Tue, 28 Jan 2003, Adam Migus wrote: > > > Yes, just to be more explicit. What I want to do is get the > > 'real' difference a second processor makes. ie. If I run > > GENERIC I'm not incurring the overhead associa

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Craig Rodrigues
Hi, Does FreeBSD-SMP have anything equivalent to the processor_bind(2) call on Solaris, which binds a process to a specific processor? http://docs.sun.com/db/doc/816-0212/6m6nd4nci?a=view -- Craig Rodrigues http://home.attbi.com/~rodrigc [EMAIL PROTECTED] To Unsubscribe: send mail to [

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Andre Guibert de Bruet
On Tue, 28 Jan 2003, Adam Migus wrote: > Yes, just to be more explicit. What I want to do is get the > 'real' difference a second processor makes. ie. If I run > GENERIC I'm not incurring the overhead associated with SMP/APIC. > I want to use the same kernel making as small a change as > ness

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Adam Migus
> * De: Odhiambo Washington <[EMAIL PROTECTED]> [ Data: > 2003-01-28 ] > [ Subjecte: Re: Force 1 CPU on SMP kernel? ] >> * Ceri Davies <[EMAIL PROTECTED]> [20030128 12:50]: >> wrote: >> > On Mon, Jan 27, 2003 at 11:33:02PM -0500, Adam Migus

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Juli Mallett
* De: Odhiambo Washington <[EMAIL PROTECTED]> [ Data: 2003-01-28 ] [ Subjecte: Re: Force 1 CPU on SMP kernel? ] > * Ceri Davies <[EMAIL PROTECTED]> [20030128 12:50]: wrote: > > On Mon, Jan 27, 2003 at 11:33:02PM -0500, Adam Migus wrote: > > > Hi, > > &

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread leafy
On Tue, Jan 28, 2003 at 12:53:49PM +0300, Odhiambo Washington wrote: > > > that the overhead assoicated with SMP will skew the statistics. > > > So my question is what would be the 'best' way to make an SMP > > > kernel only start/use CPU0? > > > > Yank the others ? > > > > What about building

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Odhiambo Washington
* Ceri Davies <[EMAIL PROTECTED]> [20030128 12:50]: wrote: > On Mon, Jan 27, 2003 at 11:33:02PM -0500, Adam Migus wrote: > > Hi, > > I'm doing some performance analysis on FreeBSD. I would like to > > be able to make an SMP kernel use only one CPU. Of course I > > realize running GENERIC would on

Re: Force 1 CPU on SMP kernel?

2003-01-28 Thread Ceri Davies
On Mon, Jan 27, 2003 at 11:33:02PM -0500, Adam Migus wrote: > Hi, > I'm doing some performance analysis on FreeBSD. I would like to > be able to make an SMP kernel use only one CPU. Of course I > realize running GENERIC would only use 1 CPU but the concern is > that the overhead assoicated with S

Force 1 CPU on SMP kernel?

2003-01-27 Thread Adam Migus
Hi, I'm doing some performance analysis on FreeBSD. I would like to be able to make an SMP kernel use only one CPU. Of course I realize running GENERIC would only use 1 CPU but the concern is that the overhead assoicated with SMP will skew the statistics. So my question is what would be the 'bes