linux-kernel - Re: [PATCH] coredump debugging: add a tracepoint to report the coredumping

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Message-ID: <20240221124832.14a10f80@gandalf.local.home>
Date: Wed, 21 Feb 2024 12:48:32 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Wen Yang <wenyang.linux@...mail.com>
Cc: Oleg Nesterov <oleg@...hat.com>, Masami Hiramatsu <mhiramat@...nel.org>,
 Ingo Molnar <mingo@...nel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, Mel Gorman <mgorman@...hsingularity.net>,
 Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] coredump debugging: add a tracepoint to report the
 coredumping

On Wed, 21 Feb 2024 23:45:58 +0800
Wen Yang <wenyang.linux@...mail.com> wrote:

> Thank you Oleg, thank you Steven，
> 
> We could first put trace_sched_process_exit() aside and take a look at 
> these three patches:
> 
> 2d4bcf886e42f0f4846a3d9bdc3a90d278903a2e ("exit: Remove 
> profile_task_exit & profile_munmap")
> 
> 586b58cac8b4683eb58a1446fbc399de18974e40 (“exit: Move preemption fixup 
> up, move blocking operations down”)
> 
> And the original: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
> 
> 
> Could we add a new TP similar to profile_task_exit()?

I have no problem with adding that. But others may have other opinions on
the subject matter.

-- Steve