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
