From: Daniel Sedlak <daniel.sedlak@cdn77.com>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>, Tejun Heo <tj@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Kuniyuki Iwashima <kuniyu@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Willem de Bruijn <willemb@google.com>,
Jakub Kicinski <kuba@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Matyas Hurtik <matyas.hurtik@cdn77.com>,
Simon Horman <horms@kernel.org>,
Neal Cardwell <ncardwell@google.com>,
Wei Wang <weibunny@meta.com>,
netdev@vger.kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Meta kernel team <kernel-team@meta.com>
Subject: Re: [PATCH] memcg: net: track network throttling due to memcg memory pressure
Date: Fri, 17 Oct 2025 16:15:18 +0200 [thread overview]
Message-ID: <209038ea-e4fa-423c-a488-a86194cd5b04@cdn77.com> (raw)
In-Reply-To: <pwy7qfx3afnadkjtemftqyrufhhexpw26srxfeilel5uhbywtt@cjvaean56txc>
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
next prev parent reply other threads:[~2025-10-17 14:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-16 1:31 Shakeel Butt
2025-10-16 1:40 ` Roman Gushchin
2025-10-16 5:46 ` Kuniyuki Iwashima
2025-10-16 15:19 ` Shakeel Butt
2025-10-16 10:42 ` Daniel Sedlak
2025-10-16 16:02 ` Shakeel Butt
2025-10-17 14:15 ` Daniel Sedlak [this message]
2025-10-17 21:21 ` Shakeel Butt
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