On Mon, 2010-06-14 at 12:17 +0100, Mel Gorman wrote: > This patch adds a trace event for when page reclaim queues a page for IO and > records whether it is synchronous or asynchronous. Excessive synchronous > IO for a process can result in noticeable stalls during direct reclaim. > Excessive IO from page reclaim may indicate that the system is seriously > under provisioned for the amount of dirty pages that exist. > > Signed-off-by: Mel Gorman <mel@xxxxxxxxx> Acked-by: Larry Woodman <lwoodman@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
