linux-kernel - Re: a question about how to debug this case in ftrace

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Message-ID: <9fdbd9b0-d7d1-472a-98af-4fc927ce6e02@189.cn>
Date: Thu, 27 Jun 2024 10:26:19 +0800
From: Song Chen <chensong_2000@....cn>
To: Steven Rostedt <rostedt@...dmis.org>,
 John Ogness <john.ogness@...utronix.de>, Andrew Halaney <ahalaney@...hat.com>
Cc: Derek Barbosa <debarbos@...hat.com>, pmladek@...e.com,
 senozhatsky@...omium.org, linux-rt-users@...r.kernel.org,
 linux-kernel@...r.kernel.org, williams@...hat.com, jlelli@...hat.com
Subject: Re: a question about how to debug this case in ftrace

It works, many thanks.

BR

Song

在 2024/6/26 22:50, Steven Rostedt 写道:
> On Wed, 26 Jun 2024 16:26:05 +0800
> Song Chen <chensong_2000@....cn> wrote:
> 
>> not really, sounds like it meets my expectation of merging logs either
>> way, "printk:console ftrace event" in cmdline? I searched it in code or
>> google, no luck.
> 
> Try adding:
> 
>    trace_event=console
> 
> -- Steve
>