Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint

From: Hillf Danton
Date: Thu Dec 29 2016 - 02:50:15 EST

On Wednesday, December 28, 2016 11:30 PM Michal Hocko wrote:
> From: Michal Hocko <mhocko@xxxxxxxx>
> Our reclaim process has several tracepoints to tell us more about how
> things are progressing. We are, however, missing a tracepoint to track
> active list aging. Introduce mm_vmscan_lru_shrink_active which reports
> the number of scanned, rotated, deactivated and freed pages from the
> particular node's active list.
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>