Messages in this thread | | | Date | Thu, 26 Apr 2018 14:35:14 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH cgroup/for-4.17 2/2] Subject: cgroup: Limit event generation frequency |
| |
On Fri, Mar 23, 2018 at 12:47:53PM -0700, Tejun Heo wrote: > ".events" files generate file modified event to notify userland of > possible new events. Some of the events can be quite bursty > (e.g. memory high event) and generating notification each time is > costly and pointless. > > This patch implements a event rate limit mechanism. If a new > notification is requested before 10ms has passed since the previous > notification, the new notification is delayed till then. > > As this only delays from the second notification on in a given close > cluster of notifications, userland reactions to notifications > shouldn't be delayed at all in most cases while avoiding notification > storms. > > Signed-off-by: Tejun Heo <tj@kernel.org>
Applied 1-2 to cgroup/for-4.18.
Thanks.
-- tejun
| |