Re: [PATCH v2 1/2] time/timekeeping: Fix possible inconsistencies in _COARSE clockids

[Miroslav Lichvar]

On Tue, Apr 01, 2025 at 08:34:23AM +0200, Thomas Gleixner wrote:
> On Mon, Mar 31 2025 at 16:53, Miroslav Lichvar wrote:
> > Mult reduction	Updates/sec	Skew before	Skew after
> > 16		4		0.004		0.009
> > 16		16		0.011		0.069
> > 16		64		0.020		0.117
> > 64		4		0.013		0.012
> > 64		16		0.030		0.107
> > 64		64		0.058		0.879
> 
> Hrm.
> 
> Can you try the delta patch below?

It seems to improve the worst cases, but overall it's still
a regression.

Mult reduction	Updates/sec	Skew
16		4		0.012
16		16		0.014
16		64	        0.033
64		4		0.012
64		16		0.105
64		64		0.138

Thanks,

-- 
Miroslav Lichvar