Subject: Re: Context switch revamp
From: David Laight <email@example.com>
Date: 09/23/2002 22:56:14
On Mon, Sep 23, 2002 at 09:40:06PM +0100, Steve Woodford wrote:
> On Mon, 23 Sep 2002, Jason R Thorpe wrote:
> > On Fri, Sep 13, 2002 at 08:33:39AM +1200, Gregory McGarry wrote:
> > > I'm keen to separate the scheduler and the context switching
> > > functionality.
> > However ... I think this is the wrong time to make this change (and, sigh,
> > I see this email is a little late -- you've already checked it in). There
> > are a couple of reasons for this:
> > 3. There have been reports of some problems with the code as
> > currently in the tree.
> I would also recommend that this is backed out for now. I've submitted a
> PR about the problem it causes, at least on i386. See kern/18387.
One difference if that 'curproc' is set much earlier in the process
This alone might be responsible for the perceived increase in system
cpu % reported by top.
David Laight: firstname.lastname@example.org