From: Tejun Heo <tj@kernel.org>
To: Matyas Hurtik <matyas.hurtik@cdn77.com>
Cc: "Michal Koutný" <mkoutny@suse.com>,
"Daniel Sedlak" <daniel.sedlak@cdn77.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>,
"Kuniyuki Iwashima" <kuniyu@google.com>,
"David Ahern" <dsahern@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Shakeel Butt" <shakeel.butt@linux.dev>,
"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
Subject: Re: [PATCH v4] memcg: expose socket memory pressure in a cgroup
Date: Wed, 20 Aug 2025 09:03:11 -1000 [thread overview]
Message-ID: <aKYb7_xshbtFbXjb@slm.duckdns.org> (raw)
In-Reply-To: <e65222c1-83f9-4d23-b9af-16db7e6e8a42@cdn77.com>
Hello,
On Wed, Aug 20, 2025 at 06:51:07PM +0200, Matyas Hurtik wrote:
...
> And the read side:
> total_duration = 0;
> for (; !mem_cgroup_is_root(memcg); memcg = parent_mem_cgroup(memcg))
> total_duration += atomic_long_read(&memcg->socket_pressure_duration);
> Would that work?
This doesn't make sense to me. Why would a child report the numbers from its
ancestors?
Thanks.
--
tejun
next prev parent reply other threads:[~2025-08-20 19:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-05 6:44 [PATCH v4] memcg: expose socket memory pressure in a cgroup Daniel Sedlak
2025-08-05 15:54 ` Kuniyuki Iwashima
2025-08-05 23:02 ` Shakeel Butt
2025-08-06 19:20 ` Kuniyuki Iwashima
2025-08-06 21:54 ` Shakeel Butt
2025-08-06 22:01 ` Kuniyuki Iwashima
2025-08-06 23:34 ` Shakeel Butt
2025-08-06 23:40 ` Kuniyuki Iwashima
2025-08-06 23:51 ` Shakeel Butt
2025-08-07 10:22 ` Daniel Sedlak
2025-08-07 20:52 ` Shakeel Butt
2025-08-14 16:27 ` Matyas Hurtik
2025-08-14 17:31 ` Shakeel Butt
2025-08-14 17:43 ` Shakeel Butt
2025-08-07 10:42 ` Daniel Sedlak
2025-08-09 18:32 ` Tejun Heo
2025-08-11 21:31 ` Shakeel Butt
2025-08-13 12:03 ` Michal Koutný
2025-08-13 18:03 ` Tejun Heo
2025-08-20 16:51 ` Matyas Hurtik
2025-08-20 19:03 ` Tejun Heo [this message]
2025-08-20 19:31 ` Shakeel Butt
2025-08-20 20:37 ` Matyas Hurtik
2025-08-20 21:34 ` Shakeel Butt
2025-08-21 18:44 ` Matyas Hurtik
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