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

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Message-ID: <20240223092630.49b9d367@gandalf.local.home>
Date: Fri, 23 Feb 2024 09:26:30 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Oleg Nesterov <oleg@...hat.com>, wenyang.linux@...mail.com, Masami
 Hiramatsu <mhiramat@...nel.org>, Ingo Molnar <mingo@...nel.org>, 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 Mon, 19 Feb 2024 13:01:16 -0500
Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:

> Between "sched_process_exit" and "sched_process_free", the task can still be
> observed by a trace analysis looking at sched and signal events: it's a zombie at
> that stage.

Looking at the history of this tracepoint, it was added in 2008 by commit
0a16b60758433 ("tracing, sched: LTTng instrumentation - scheduler").
Hmm, LLTng? I wonder who the author was?

  Author: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>

 :-D

Mathieu, I would say it's your call on where the tracepoint can be located.
You added it, you own it!

-- Steve