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DateTue, 14 May 2002 11:19:26 -0700
From"Martin J. Bligh" <>
SubjectRe: [RFC][PATCH] iowait statistics
>> This appears to be global across all cpu's. Maybe nr_iowait_tasks
>> should be accounted on a per-cpu basis, where
>
> While your proposal should work, somehow I doubt it's worth
> the complexity. It's just a statistic to help sysadmins ;)

Depends how often you're going to end up bouncing that cacheline
around ... do you do this for every IO?

M.

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