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SubjectRe: [RFC PATCH 16/23] watchdog/hardlockup: Add an HPET-based hardlockup detector
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Hi,

On 06/12/2018 05:57 PM, Ricardo Neri wrote:
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c40c7b7..6e79833 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -828,6 +828,16 @@ config HARDLOCKUP_DETECTOR_PERF
> bool
> select SOFTLOCKUP_DETECTOR
>
> +config HARDLOCKUP_DETECTOR_HPET
> + bool "Use HPET Timer for Hard Lockup Detection"
> + select SOFTLOCKUP_DETECTOR
> + select HARDLOCKUP_DETECTOR
> + depends on HPET_TIMER && HPET
> + help
> + Say y to enable a hardlockup detector that is driven by an High-Precision
> + Event Timer. In addition to selecting this option, the command-line
> + parameter nmi_watchdog option. See Documentation/admin-guide/kernel-parameters.rst

The "In addition ..." thing is a broken (incomplete) sentence.

> +
> #
> # Enables a timestamp based low pass filter to compensate for perf based
> # hard lockup detection which runs too fast due to turbo modes.


--
~Randy

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