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    SubjectRe: [RFC][PATCH] iowait statistics
    On Tue, 14 May 2002, William Lee Irwin III wrote:
    > On Mon, May 13, 2002 at 10:19:26PM -0300, Rik van Riel wrote:
    > > 2) if no process is running, the timer interrupt adds a jiffy
    > > to the iowait time
    > [...]
    > > 4) on SMP systems the iowait time can be overestimated, no big
    > > deal IMHO but cheap suggestions for improvement are welcome
    > 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 ;)


    "You're one of those condescending OLS attendants"
    "Here's a nickle kid. Go buy yourself a real t-shirt"

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