From: Tejun Heo <tj@kernel.org>
To: Daniel Sedlak <daniel.sedlak@cdn77.com>
Cc: "Shakeel Butt" <shakeel.butt@linux.dev>,
"Michal Koutný" <mkoutny@suse.com>,
"Kuniyuki Iwashima" <kuniyu@google.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Simon Horman" <horms@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
"Neal Cardwell" <ncardwell@google.com>,
"David Ahern" <dsahern@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Yosry Ahmed" <yosry.ahmed@linux.dev>,
linux-mm@kvack.org, netdev@vger.kernel.org,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Michal Hocko" <mhocko@kernel.org>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"Muchun Song" <muchun.song@linux.dev>,
cgroups@vger.kernel.org,
"Matyas Hurtik" <matyas.hurtik@cdn77.com>
Subject: Re: [PATCH v3] memcg: expose socket memory pressure in a cgroup
Date: Thu, 24 Jul 2025 14:44:59 -1000 [thread overview]
Message-ID: <aILTi2-iZ1ge3D8n@slm.duckdns.org> (raw)
In-Reply-To: <486bfabc-386c-4fdc-8903-d56ce207951f@cdn77.com>
On Thu, Jul 24, 2025 at 10:43:27AM +0200, Daniel Sedlak wrote:
...
> Currently, we know the following information:
>
> - we know when the pressure starts
> - and we know when the pressure ends if not rearmed (start time + HZ)
>
> From that, we should be able to calculate a similar triplet to the pressure
> endpoints in the cgroups (cpu|io|memory|irq).pressure. That is, how much %
> of time on average was spent under pressure for avg10, avg60, avg300 i.e.
> average pressure over the past 10 seconds, 60 seconds, and 300 seconds,
> respectively. (+ total time spent under pressure)
Let's just add the cumulative duration that socket pressure was present.
Thanks.
--
tejun
next prev parent reply other threads:[~2025-07-25 0:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-22 7:11 Daniel Sedlak
2025-07-22 7:17 ` Eric Dumazet
2025-07-22 7:27 ` Daniel Sedlak
2025-07-22 8:57 ` Michal Koutný
2025-07-22 17:50 ` Shakeel Butt
2025-07-22 18:27 ` Kuniyuki Iwashima
2025-07-22 18:41 ` Waiman Long
2025-07-22 18:49 ` Kuniyuki Iwashima
2025-07-22 19:05 ` Shakeel Butt
2025-07-22 19:58 ` Kuniyuki Iwashima
2025-07-22 20:11 ` Shakeel Butt
2025-07-22 22:10 ` Kuniyuki Iwashima
2025-07-23 8:38 ` Michal Koutný
2025-07-23 8:58 ` Daniel Sedlak
2025-07-23 17:54 ` Shakeel Butt
2025-07-24 8:43 ` Daniel Sedlak
2025-07-25 0:44 ` Tejun Heo [this message]
2025-07-28 11:29 ` Daniel Sedlak
2025-07-30 0:15 ` Tejun Heo
2025-07-23 8:41 ` Daniel Sedlak
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