On Sun, 7 Jun 2015 11:41:15 +0530 Raghavendra KT <raghavendra.kt@xxxxxxxxxxxxxxxxxx> wrote: > On Tue, May 12, 2015 at 7:04 PM, Vladimir Davydov > <vdavydov@xxxxxxxxxxxxx> wrote: > > Hi, > > > > This patch set introduces a new user API for tracking user memory pages > > that have not been used for a given period of time. The purpose of this > > is to provide the userspace with the means of tracking a workload's > > working set, i.e. the set of pages that are actively used by the > > workload. Knowing the working set size can be useful for partitioning > > the system more efficiently, e.g. by tuning memory cgroup limits > > appropriately, or for job placement within a compute cluster. > > > > ---- USE CASES ---- > > > > The unified cgroup hierarchy has memory.low and memory.high knobs, which > > are defined as the low and high boundaries for the workload working set > > size. However, the working set size of a workload may be unknown or > > change in time. With this patch set, one can periodically estimate the > > amount of memory unused by each cgroup and tune their memory.low and > > memory.high parameters accordingly, therefore optimizing the overall > > memory utilization. > > > > Hi Vladimir, > > Thanks for the patches, I was able test how the series is helpful to determine > docker container workingset / idlemem with these patches. (tested on ppc64le > after porting to a distro kernel). And what were the results of your testing? The more details the better, please. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
