Re: [PATCH 7/7] mm, vmscan: add mm_vmscan_inactive_list_is_low tracepoint

From: Hillf Danton
Date: Thu Dec 29 2016 - 03:25:17 EST

On Wednesday, December 28, 2016 11:31 PM Michal Hocko wrote:
> From: Michal Hocko <mhocko@xxxxxxxx>
> Currently we have tracepoints for both active and inactive LRU lists
> reclaim but we do not have any which would tell us why we we decided to
> age the active list. Without that it is quite hard to diagnose
> active/inactive lists balancing. Add mm_vmscan_inactive_list_is_low
> tracepoint to tell us this information.
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>