Re: [RFC][PATCH] sard changes for 2.5.34

From: Rik van Riel (riel@conectiva.com.br)
Date: Thu Sep 12 2002 - 15:38:27 EST


On Thu, 12 Sep 2002, Andrew Morton wrote:

> Looks like we can take the disk stats out of kernel_stat, move all
> the vm-related things out of kernel_stat into struct page_state and
> what's left of kernel_stat?
>
> unsigned int per_cpu_user[NR_CPUS],
> per_cpu_nice[NR_CPUS],
> per_cpu_system[NR_CPUS];

[ insert idle and iowait stats here ;) ]

> unsigned int irqs[NR_CPUS][NR_IRQS];
>
> And that's good, because "kernel statistics" was clearly too
> broad a concept. The above is just one concept: interrupts and
> scheduler things.

Absolutely agreed, this makes things much more manageable.

Btw, how about accounting for the number of syscalls made,
like some other Unix systems do ? ;)

> I'm not sure that I want to add 14 more fields to /proc/meminfo.
> So a new /proc/vmstat may appear. We would then have:
>
> /proc/stat scheduler things
> /proc/diskstat disk things
> /proc/vmstat vm things

Sounds fair, current procps doesn't support the new /proc/stat
fields anyway. Let me know what stuff will look like and I'll
get procps into gear.

regards,

Rik

-- 
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/ http://distro.conectiva.com/

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