Re: VFS hot tracking: How to calculate data temperature?

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On Fri, Nov 09, 2012 at 09:12:10AM +0800, Zhi Yong Wu wrote:
> On Fri, Nov 2, 2012 at 12:04 PM, Zhi Yong Wu <zwu.kernel@xxxxxxxxx> wrote:
> > HI, guys
> >
> >    VFS hot tracking currently show result as below, and it is very
> > strange and not nice.
> >
> > inode #279, reads 0, writes 1, avg read time 18446744073709551615,
> > avg write time 5251566408153596, temp 109
> >
> > Do anyone know if there is one simpler but effective way to calculate
> > data temperature?
> 
>  inode 279, reads 0, writes 1, temp 109
> 
>  Since we have got no better way, and avg read/write times are
> mid-stage value, i want to show it as above format, do you think of
> it?

Looks good to me.

Regards,
Zheng
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