linux-kernel - Re: [PATCH v4 01/24] ring-buffer: Introduce ring-buffer remotes

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Message-ID: <20250508100523.750dfbaa@gandalf.local.home>
Date: Thu, 8 May 2025 10:05:23 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Vincent Donnefort <vdonnefort@...gle.com>
Cc: mhiramat@...nel.org, mathieu.desnoyers@...icios.com,
 linux-trace-kernel@...r.kernel.org, maz@...nel.org, oliver.upton@...ux.dev,
 joey.gouly@....com, suzuki.poulose@....com, yuzenghui@...wei.com,
 kvmarm@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 jstultz@...gle.com, qperret@...gle.com, will@...nel.org,
 kernel-team@...roid.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 01/24] ring-buffer: Introduce ring-buffer remotes

On Thu, 8 May 2025 10:10:40 +0100
Vincent Donnefort <vdonnefort@...gle.com> wrote:

> > Hmm, I wonder if this would be worth adding to the user interface?  
> 
> Would trace-cmd have any use for those fields? That said, even if it does not at
> the moment, it would mean the meta-page has a single version between
> kern/user-space and hyp/kern which is probably better?

I was thinking that it's better to have the consistency than user space
using it. I'm not sure how much overhead it has for the normal buffer to
update those fields.

-- Steve