Re: [patch] swapin rlimit

Paul Jackson
2005-11-04T10:06:34Z

Ingo wrote:
> Seriously, while nr_swapped_in_pages ought to be OK, i think there is a
> generic problem with /proc based stats.
>
> System instrumentation people are already complaining about how costly
> /proc parsing is. If you have to get some nontrivial stat from all
> threads in the system, and if Linux doesnt offer that counter or summary
> by default, it gets pretty expensive.

Agreed.

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Paul Jackson <pj@sgi.com> 1.925.600.0401