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@xxxxxxxxx> Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx> I think that's enough to add tracepoint until solving this issue at least. -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>