Per CPU cpu-statistics under SMP

[Marco van Tol]

On Tue, Apr 18, 2006 at 06:38:26PM -0400, John Baldwin wrote:
> On Tuesday 18 April 2006 18:15, Marco van Tol wrote:

[...]

> > I'm trying to apply the patch. Tried it to both todays current and todays
> > RELENG_6, but both have failing hunks in sys/kern/kern_clock.c.
> > The rest succeeds.
> > 
> > I can do two things:
> > - Try to manually patch it against todays current.
> > - re-checkout todays RELENG_6, and download the relevant files from the
> >   cvsweb interface from the date you posted the patch from that days
> >   CURRENT.  Then try to apply the patch.
> > 
> > For the latter it may break the kernelbuild, but I'm very tempted to try
> > that one ahead of the manual patching attempt. ;)
> > 
> > I'll keep you posted on how far I'm getting with this.  Guess I should have
> > gone straight to current the day you posted the patch.  Sorry.
> 
> Ah, hmm.  On 6.x we don't have per-thread stat ticks yet, which is
> probably why it is failing.  It also isn't safe to move sched_lock
> down either on 6.x.  You can still apply the rest of the patch by
> hand, just leave the 'mtx_lock_spin(&sched_lock)' where it is and
> change all the 'cp_time[FOO]++' to 'PCPU_LAZY_INC(cp_time[FOO])'.

OK, thanks.

What I will do is replace my gentoo partition with a BSD current partition
so I don't loose my workstation as it were, and use that to work on this.

Will let you know how that goes.  Thanks.

Marco

-- 
Als de redding het hoogst is, is de nood nabij!