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From: "tj@kernel.org" <tj@kernel.org>
To: "Yakunin, Dmitry (Nebius)" <zeil@nebius.com>
Cc: "cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	NB-Core Team <NB-CoreTeam@nebius.com>,
	"hannes@cmpxchg.org" <hannes@cmpxchg.org>,
	"mhocko@kernel.org" <mhocko@kernel.org>,
	Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
	Andrey Ryabinin <arbn@yandex-team.com>
Subject: Re: [RFC PATCH 1/3] cgroup: list all subsystem states in debugfs files
Date: Mon, 11 Sep 2023 08:55:50 -1000	[thread overview]
Message-ID: <ZP9itivlZQIb5wZ0@mtj.duckdns.org> (raw)
In-Reply-To: <20230911075437.74027-2-zeil@nebius.com>

On Mon, Sep 11, 2023 at 07:55:15AM +0000, Yakunin, Dmitry (Nebius) wrote:
> +static void mem_cgroup_css_dump(struct cgroup_subsys_state *css,
> +				struct seq_file *m)
> +{
> +	struct mem_cgroup *memcg = mem_cgroup_from_css(css);
> +
> +	seq_printf(m, "mem_id=%u memory=%lu memsw=%lu kmem=%lu tcpmem=%lu shmem=%lu",
> +		   mem_cgroup_id(memcg),
> +		   page_counter_read(&memcg->memory),
> +		   page_counter_read(&memcg->memsw),
> +		   page_counter_read(&memcg->kmem),
> +		   page_counter_read(&memcg->tcpmem),
> +		   memcg_page_state(memcg, NR_SHMEM));
> +}

Can you please take a look at drgn (https://github.com/osandov/drgn) and see
whether that satifies your needs? We can easily add drgn scripts under tools
directory too (e.g. iocost already does that).

Thanks.

-- 
tejun


  reply	other threads:[~2023-09-11 18:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-11  7:55 [RFC PATCH 0/3] Helpers for debugging dying cgroups Yakunin, Dmitry (Nebius)
2023-09-11  7:55 ` [RFC PATCH 1/3] cgroup: list all subsystem states in debugfs files Yakunin, Dmitry (Nebius)
2023-09-11 18:55   ` tj [this message]
2023-09-13 10:33     ` Dmitry Yakunin
2023-09-11 22:16   ` Yosry Ahmed
2023-09-13 10:35     ` Dmitry Yakunin
2023-09-11  7:55 ` [RFC PATCH 2/3] proc/kpagecgroup: report also inode numbers of offline cgroups Yakunin, Dmitry (Nebius)
2023-09-11  7:55 ` [RFC PATCH 3/3] tools/mm/page-types: add flag for showing inodes " Yakunin, Dmitry (Nebius)

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