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From: Rik van Riel on 14 Jun 2010 11:50
On 06/14/2010 07:17 AM, 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(a)csn.ul.ie>

Acked-by: Rik van Riel <riel(a)redhat.com>

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