linux-kernel - Re: [PATCH 24/36] printk: Remove trace_.*

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Message-ID: <CA+_sPaoJGrXhNPCs2dKf2J7u07y1xYrRFZBUtkKwzK9GqcHSuQ@mail.gmail.com>
Date:   Thu, 9 Jun 2022 20:30:58 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Petr Mladek <pmladek@...e.com>, ink@...assic.park.msu.ru,
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Subject: Re: [PATCH 24/36] printk: Remove trace_.*_rcuidle() usage

My emails are getting rejected... Let me try web-interface

Kudos to Petr for the questions and thanks to PeterZ for the answers.

On Thu, Jun 9, 2022 at 7:02 PM Peter Zijlstra <peterz@...radead.org> wrote:
> This is the tracepoint used to spool all of printk into ftrace, I
> suspect there's users, but I haven't used it myself.

I'm somewhat curious whether we can actually remove that trace event.