Re: 2.4.20-rc2 strange L1 cache values

From: Dave Jones (davej@codemonkey.org.uk)
Date: Wed Nov 20 2002 - 14:29:15 EST

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On Wed, Nov 20, 2002 at 08:23:04PM +0100, Steffen Persvold wrote:

> The original poster reported on 2.4.20-rc2 (which reports 0K), not 2.4.18.
> The output I provided was from .18 and that clearly says 'L1 I cache:12K'.
> Here are some 'sniplets' of my 2.4.18 dmesg :
> CPU: L1 I cache: 12K, L1 D cache: 8K

My bad. Yes, earlier kernels did confuse the two.
the 12K actually means the trace cache holds 12,000 uops
rather than you have 12KB of cache.

The only bug is the reporting unit.

> Ok, since this is now fixed (with your patch), I really don't care about
> earlier kernels anyway (however some of my customer might have if it was
> an issue). Do you know if your patch is going into 2.4.20 release (it's a
> rather small and useful patch) ?

I've resubmitted it to Marcelo, but it still didn't show up..

Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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