Re: lockmeter

[Martin J. Bligh]

Christoph Hellwig wrote:
> On Sun, Jan 28, 2007 at 08:52:25AM -0800, Martin J. Bligh wrote:
> > Mmm. not wholly convinced that's true. Whilst i don't have lockmeter
> > stats to hand, the heavy time in __d_lookup seems to indicate we may
> > still have a problem to me. I guess we could move the spinlocks out
> > of line again to test this fairly easily (or get lockmeter upstream).
>
> We definitly should get lockmeter in.  Does anyone volunteer for doing
> the cleanup and merged?

On second thoughts .. I don't think it'd actually work for this since
the locks aren't global. Not that it shouldn't be done anyway, but ...

ISTR we still thought dcache scalability was a significant problem last
time anyone looked at it seriously - just never got fixed. Dipankar?
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