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    SubjectRe: [PATCH 1/3] writeback: Account for time spent congestion_waited
    On Thu, Aug 26, 2010 at 04:14:14PM +0100, Mel Gorman wrote:
    > There is strong evidence to indicate a lot of time is being spent in
    > congestion_wait(), some of it unnecessarily. This patch adds a
    > tracepoint for congestion_wait to record when congestion_wait() occurred
    > and how long was spent.
    >
    > Signed-off-by: Mel Gorman <mel@csn.ul.ie>
    Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

    I think that's enough to add tracepoint until solving this issue at least.

    --
    Kind regards,
    Minchan Kim


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