On Tue, Sep 03, 2019 at 09:51:20PM -0700, Daniel Colascione wrote: > On Tue, Sep 3, 2019 at 9:45 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > > > On Tue, Sep 3, 2019 at 1:09 PM Joel Fernandes (Google) > > <joel@xxxxxxxxxxxxxxxxx> wrote: > > > > > > Useful to track how RSS is changing per TGID to detect spikes in RSS and > > > memory hogs. Several Android teams have been using this patch in various > > > kernel trees for half a year now. Many reported to me it is really > > > useful so I'm posting it upstream. > > It's also worth being able to turn off the per-task memory counter > caching, otherwise you'll have two levels of batching before the > counter gets updated, IIUC. I prefer to keep split RSS accounting turned on if it is available. I think discussing split RSS accounting is a bit out of scope of this patch as well. Any improvements on that front can be a follow-up. Curious, has split RSS accounting shown you any issue with this patch? thanks, - Joel