linux-kernel - Re: [RFC PATCH 0/7] Trace events to pstore

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Message-ID: <20220701124628.36009f4a@gandalf.local.home>
Date:   Fri, 1 Jul 2022 12:46:28 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Nachammai Karuppiah <nachukannan@...il.com>,
        Ingo Molnar <mingo@...hat.com>,
        Frank Rowand <frowand.list@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Brian Norris <computersforpeace@...il.com>
Subject: Re: [RFC PATCH 0/7] Trace events to pstore

On Fri, 1 Jul 2022 12:37:35 -0400
Joel Fernandes <joel@...lfernandes.org> wrote:

> I am curious how this came on your radar after 2 years, did someone
> tell you to prioritize improving performance of ftrace on pstore? I
> could probably make time to work on it more if someone has a usecase
> for this or something.

I'm looking into ways to extract the ftrace ring buffer from crashes, and
it was brought up that pstore was used before.

-- Steve