From: Shakeel Butt <shakeel.butt@linux.dev>
To: Thomas Ballasi <tballasi@linux.microsoft.com>
Cc: akpm@linux-foundation.org, axelrasmussen@google.com,
david@kernel.org, hannes@cmpxchg.org, linux-mm@kvack.org,
linux-trace-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com,
mhiramat@kernel.org, mhocko@kernel.org, rostedt@goodmis.org,
weixugc@google.com, yuanchu@google.com,
zhengqi.arch@bytedance.com
Subject: Re: [PATCH v7 3/3] mm: vmscan: add PIDs to vmscan tracepoints
Date: Mon, 23 Feb 2026 11:42:34 -0800 [thread overview]
Message-ID: <aZys_tvQinYNNpOk@linux.dev> (raw)
In-Reply-To: <20260223171544.4750-4-tballasi@linux.microsoft.com>
On Mon, Feb 23, 2026 at 09:15:44AM -0800, Thomas Ballasi wrote:
> The changes aims at adding additionnal tracepoints variables to help
> debuggers attribute them to specific processes.
>
> The PID field uses in_task() to reliably detect when we're in process
Where is this in_task() check happening? Also this patch is changing
tracepoints for memory reclaim which never happens in any context other than
process context, so we don't need __event_in_irq() checks for these tracepoints.
next prev parent reply other threads:[~2026-02-23 19:42 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-08 18:14 [PATCH 0/2] mm: vmscan: add PID and cgroup ID " Thomas Ballasi
2025-12-08 18:14 ` [PATCH 1/2] mm: vmscan: add cgroup IDs " Thomas Ballasi
2025-12-08 18:14 ` [PATCH 2/2] mm: vmscan: add PIDs " Thomas Ballasi
2025-12-10 3:09 ` Steven Rostedt
2025-12-16 14:02 ` [PATCH v2 0/2] mm: vmscan: add PID and cgroup ID " Thomas Ballasi
2025-12-16 14:02 ` [PATCH v2 1/2] mm: vmscan: add cgroup IDs " Thomas Ballasi
2025-12-16 18:50 ` Shakeel Butt
2025-12-17 22:21 ` Steven Rostedt
2025-12-16 14:02 ` [PATCH v2 2/2] mm: vmscan: add PIDs " Thomas Ballasi
2025-12-16 18:03 ` Steven Rostedt
2025-12-29 10:54 ` Thomas Ballasi
2025-12-29 18:29 ` Steven Rostedt
2025-12-29 21:36 ` Steven Rostedt
2026-01-05 16:04 ` [PATCH v3 0/2] mm: vmscan: add PID and cgroup ID " Thomas Ballasi
2026-01-05 16:04 ` [PATCH v3 1/2] mm: vmscan: add cgroup IDs " Thomas Ballasi
2026-01-05 22:46 ` Shakeel Butt
2026-01-07 18:14 ` Shakeel Butt
2026-01-07 18:32 ` Andrew Morton
2026-01-07 20:35 ` Shakeel Butt
2026-01-07 1:56 ` build error on CONFIG_MEMCG=n "error: invalid use of undefined type 'struct mem_cgroup'" Harry Yoo
2026-01-07 2:17 ` Andrew Morton
2026-01-05 16:04 ` [PATCH v3 2/2] mm: vmscan: add PIDs to vmscan tracepoints Thomas Ballasi
2026-01-06 2:06 ` [PATCH v3 0/2] mm: vmscan: add PID and cgroup ID " Andrew Morton
2026-01-06 2:21 ` Steven Rostedt
2026-01-15 12:38 ` [PATCH v4 0/3] " Thomas Ballasi
2026-01-15 12:38 ` [PATCH v4 1/3] tracing: Add __event_in_*irq() helpers Thomas Ballasi
2026-01-15 12:38 ` [PATCH v4 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints Thomas Ballasi
2026-01-15 12:38 ` [PATCH v4 3/3] mm: vmscan: add PIDs " Thomas Ballasi
2026-01-22 18:25 ` [PATCH v5 0/3] mm: vmscan: add PID and cgroup ID " Thomas Ballasi
2026-01-22 18:25 ` [PATCH v5 1/3] tracing: Add __event_in_*irq() helpers Thomas Ballasi
2026-01-22 18:25 ` [PATCH v5 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints Thomas Ballasi
2026-01-27 23:43 ` Shakeel Butt
2026-01-22 18:25 ` [PATCH v5 3/3] mm: vmscan: add PIDs " Thomas Ballasi
2026-01-22 18:52 ` [PATCH v5 0/3] mm: vmscan: add PID and cgroup ID " Andrew Morton
2026-02-13 18:15 ` [PATCH v6 " Thomas Ballasi
2026-02-13 18:15 ` [PATCH v6 1/3] tracing: Add __event_in_*irq() helpers Thomas Ballasi
2026-02-16 16:13 ` Usama Arif
2026-02-17 0:54 ` Steven Rostedt
2026-02-13 18:15 ` [PATCH v6 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints Thomas Ballasi
2026-02-13 18:15 ` [PATCH v6 3/3] mm: vmscan: add PIDs " Thomas Ballasi
2026-02-16 16:02 ` Usama Arif
2026-02-23 17:15 ` [PATCH v7 0/3] mm: vmscan: add PID and cgroup ID " Thomas Ballasi
2026-02-23 17:15 ` [PATCH v7 1/3] tracing: Add __event_in_*irq() helpers Thomas Ballasi
2026-02-23 19:33 ` Shakeel Butt
2026-02-23 17:15 ` [PATCH v7 2/3] mm: vmscan: add cgroup IDs to vmscan tracepoints Thomas Ballasi
2026-02-23 19:34 ` Shakeel Butt
2026-02-23 17:15 ` [PATCH v7 3/3] mm: vmscan: add PIDs " Thomas Ballasi
2026-02-23 19:42 ` Shakeel Butt [this message]
2026-02-23 23:30 ` Masami Hiramatsu
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