| Subject | Re: [PATCH 01/12] tracing, vmscan: Add trace events for kswapd wakeup, sleeping and direct reclaim | From | Larry Woodman <> | Date | Mon, 14 Jun 2010 17:01:04 -0400 |
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On Mon, 2010-06-14 at 12:17 +0100, Mel Gorman wrote: > This patch adds two trace events for kswapd waking up and going asleep for > the purposes of tracking kswapd activity and two trace events for direct > reclaim beginning and ending. The information can be used to work out how > much time a process or the system is spending on the reclamation of pages > and in the case of direct reclaim, how many pages were reclaimed for that > process. High frequency triggering of these events could point to memory > pressure problems. > > Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Larry Woodman <lwoodman@redhat.com>
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