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Groups > linux.kernel > #1531969
| 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> |
| Organization | linux.* mail to news gateway |
* 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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[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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