linux-kernel - Re: [PATCH v2 1/3] timekeeping: Introduce fast accessor to clock tai

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Message-ID: <87czhjemnn.ffs@tglx>
Date:   Thu, 14 Apr 2022 16:59:24 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Kurt Kanzenbach <kurt@...utronix.de>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Jonathan Corbet <corbet@....net>
Cc:     Richard Cochran <richardcochran@...il.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kurt Kanzenbach <kurt@...utronix.de>
Subject: Re: [PATCH v2 1/3] timekeeping: Introduce fast accessor to clock tai

On Thu, Apr 14 2022 at 11:18, Kurt Kanzenbach wrote:
> Introduce fast/NMI safe accessor to clock tai for tracing. The Linux kernel
> tracing infrastructure has support for using different clocks to generate
> timestamps for trace events. Especially in TSN networks it's useful to have TAI
> as trace clock, because the application scheduling is done in accordance to the
> network time, which is based on TAI. With a tai trace_clock in place, it becomes
> very convenient to correlate network activity with Linux kernel application
> traces.

Steven, this is available for you to pull via:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip tai-for-tracing

It's a single tagged commit on top of 5.18-rc2

Thanks,

        tglx