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Miller" , Matyas Hurtik , Simon Horman , Neal Cardwell , Wei Wang , netdev@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Meta kernel team References: <20251016013116.3093530-1-shakeel.butt@linux.dev> <59163049-5487-45b4-a7aa-521b160fdebd@cdn77.com> Content-Language: en-US From: Daniel Sedlak In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CTCH: RefID="str=0001.0A2D0333.68F24F79.0006,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0"; Spam="Unknown"; VOD="Unknown" X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 06884100017 X-Stat-Signature: ypxkggx8m5xy5wh3cxiik1hnpd4mo5pw X-Rspam-User: X-HE-Tag: 1760710525-753577 X-HE-Meta: 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 j2jTRub0 p27NDkmAsDCCDIiff9An3N/FAqXr4Eem3OivUp9iTOTwmSUOxPAR4jV1CgMyWv0i9gUELt7mfSKsM2L/FfCE96NXAvs5owtAxTckNx8nVSBmWbb6frmcLRhz28/d+rY1Ht0xa7aueMJgUNotifyPNTOOweCy5waMaKPcRnpLv+z0OQtzsjoC9a53s06XM8ea9spycj7K1GBiw6Ps9oixOGLxWFA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 10/16/25 6:02 PM, Shakeel Butt wrote: > On Thu, Oct 16, 2025 at 12:42:19PM +0200, Daniel Sedlak wrote: >> On 10/16/25 3:31 AM, Shakeel Butt wrote: >> I am curious how the future work will unfold. If you need help with future >> developments I can help you, we have hundreds of servers where this >> throttling is happening. > > I think first thing I would like to know if this patch is a good start > for your use-case of observability and debugging.What else do you need > for sufficient support for your use-case? Yes, it is a good start, we can now hook this easily into our monitoring system and detect affected servers more easily. > I imagine that would be > tracepoints to extract more information on the source of the throttling. > If you don't mind, can you take a stab at that? We have some tracepoints that we have used for debugging this. We would like to upstream them, if that makes sense to you? Thanks! Daniel