Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [discuss] Re: 2.6.19-rc5: known regressions (v3) | Date | Thu, 16 Nov 2006 08:04:31 +0100 |
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On Thursday 16 November 2006 06:05, Andrew Morton wrote: > On Thu, 16 Nov 2006 04:21:09 +0100 > Andi Kleen <ak@suse.de> wrote: > > > > > > > If it's really true that oprofile is simply busted then that's a serious > > > problem and we should find some way of unbusting it. If that means just > > > adding a dummy "0" entry which always returns zero or something like that, > > > then fine. > > > > That could be probably done. > > I'm told that this is exactly what it was doing before it got changed.
Hmm, ok perhaps that can be arranged again.
The trouble is that I want to use this performance counter for other purposes too, so we would run into trouble again if oprofile keeps stealing it.
> > > But we can't just go and bust it. > > > > It just did something unbelievable broken before. > > What did it do?
Silently kill the nmi watchdog.
> > > I would say it busted > > itself. > > It gave profiles, which was fairly handy.
I'm sure it can be fixed there. Ok ok I keep sounding like a sysfs maintainer now @)
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