linux-kernel - Re: [PATCH v3 1/2] mm: memcg: print out cgroup ino in the memcg tracepoints

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Message-ID: <20231125041107.wgpskqegywpt7l2o@google.com>
Date:   Sat, 25 Nov 2023 04:11:07 +0000
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Dmitry Rokosov <ddrokosov@...utedevices.com>
Cc:     rostedt@...dmis.org, mhiramat@...nel.org, hannes@...xchg.org,
        mhocko@...nel.org, roman.gushchin@...ux.dev, muchun.song@...ux.dev,
        mhocko@...e.com, akpm@...ux-foundation.org, kernel@...rdevices.ru,
        rockosov@...il.com, cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v3 1/2] mm: memcg: print out cgroup ino in the memcg tracepoints

On Thu, Nov 23, 2023 at 10:39:36PM +0300, Dmitry Rokosov wrote:
> Sometimes, it becomes necessary to determine the memcg tracepoint event
> that has occurred. This is particularly relevant in scenarios involving
> a large cgroup hierarchy, where users may wish to trace the process of
> reclamation within a specific cgroup(s) by applying a filter.
> 
> The function cgroup_ino() is a useful tool for this purpose.
> To integrate cgroup_ino() into the existing memcg tracepoints, this
> patch introduces a new tracepoint template for the begin() and end()
> events.
> 
> Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>

Acked-by: Shakeel Butt <shakeelb@...gle.com>