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Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and boot clock

From Ingo Molnar <mingo@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and boot clock
Date 2016-11-29 08:30 +0100
Message-ID <sIL1w-5fn-19@gated-at.bofh.it> (permalink)
References <sICKB-89o-17@gated-at.bofh.it> <sICKC-89o-63@gated-at.bofh.it>
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* John Stultz <john.stultz@linaro.org> wrote:

> +	  boot: This is the boot clock (CLOCK_BOOTTIME) and is based on the
> +		fast monotonic clock, but also accounts for time spent in
> +		suspend. Since the clock access is designed for use in
> +		tracing in the suspend path, some side effects are possible
> +		if clock is accessed after the suspend time is accounted before
> +		the fast mono clock is updated. In this case, the clock update
> +		appears to happen slightly sooner than it normally would have.
> +		Also on 32-bit systems, its possible that the 64-bit boot offset
> +		sees a partial update. These effects are rare and post
> +		processing should be able to handle them. See comments on
> +		ktime_get_boot_fast_ns function for more information.

s/its possible/it's possible
s/comments on ktime_get_boost_fast_ns function/comments in the ktime_get_boost_fast_ns() function

Thanks,

	Ingo

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Thread

[GIT PULL][PATCH 0/7] Timekeeping changes for 4.10 (take 2) John Stultz <john.stultz@linaro.org> - 2016-11-28 23:40 +0100
  [PATCH 3/7] timekeeping: clocksource_cyc2ns: Document intended range limitation John Stultz <john.stultz@linaro.org> - 2016-11-28 23:40 +0100
    [tip:timers/core] timekeeping/clocksource_cyc2ns: Document intended  range limitation tip-bot for Chris Metcalf <tipbot@zytor.com> - 2016-11-29 18:20 +0100
  [PATCH 5/7] timekeeping: Add a fast and NMI safe boot clock John Stultz <john.stultz@linaro.org> - 2016-11-28 23:40 +0100
    [tip:timers/core] timekeeping: Add a fast and NMI safe boot clock tip-bot for Joel Fernandes <tipbot@zytor.com> - 2016-11-29 18:20 +0100
  [PATCH 7/7] trace: Update documentation for mono, mono_raw and boot clock John Stultz <john.stultz@linaro.org> - 2016-11-28 23:40 +0100
    Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and  boot clock Steven Rostedt <rostedt@goodmis.org> - 2016-11-29 00:10 +0100
    Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and  boot clock Ingo Molnar <mingo@kernel.org> - 2016-11-29 08:30 +0100
      Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and  boot clock Thomas Gleixner <tglx@linutronix.de> - 2016-11-29 17:20 +0100
      Re: [PATCH 7/7] trace: Update documentation for mono, mono_raw and  boot clock Joel Fernandes <joelaf@google.com> - 2016-11-29 17:20 +0100
    [tip:timers/core] trace: Update documentation for mono, mono_raw  and boot clock tip-bot for Joel Fernandes <tipbot@zytor.com> - 2016-11-29 18:20 +0100

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