linux-kernel - Re: [PATCH 22/22] man2: Add uprobe syscall page

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Message-ID: <6rauz4mwgjpcmdbpny3pnh632t3wbequxni2iqdvs3bmjbzqzt@7cykilsvoggn>
Date: Tue, 22 Apr 2025 22:45:31 +0200
From: Alejandro Colomar <alx@...nel.org>
To: Jiri Olsa <olsajiri@...il.com>
Cc: Oleg Nesterov <oleg@...hat.com>, Peter Zijlstra <peterz@...radead.org>, 
	Andrii Nakryiko <andrii@...nel.org>, bpf@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, x86@...nel.org, Song Liu <songliubraving@...com>, 
	Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, 
	Hao Luo <haoluo@...gle.com>, Steven Rostedt <rostedt@...dmis.org>, 
	Masami Hiramatsu <mhiramat@...nel.org>, Alan Maguire <alan.maguire@...cle.com>, 
	David Laight <David.Laight@...lab.com>, Thomas Weißschuh <thomas@...ch.de>, 
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 22/22] man2: Add uprobe syscall page

Hi Jiri,

On Tue, Apr 22, 2025 at 04:01:56PM +0200, Jiri Olsa wrote:
> > > +is an alternative to breakpoint instructions
> > > +for triggering entry uprobe consumers.
> > 
> > What are breakpoint instructions?
> 
> it's int3 instruction to trigger breakpoint (on x86_64)

I guess it's something that people who do that stuff understand.
I don't, but I guess your intended audience will be okay with it.  :)

> > The pages are almost identical.  Should we document both pages in the
> > same page?
> 
> great, I was wondering this was an option, looks much better
> should we also add uprobe link, like below?

Yep, sure.  Thanks for the reminder!


Have a lovely night!
Alex

-- 
<https://www.alejandro-colomar.es/>

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