Re: [PATCHv11 2/4] genirq: Provide a snapshot mechanism for interrupt statistics

[Bitao Hu <yaoma@xxxxxxxxxxxxxxxxx>]

Hi,

On 2024/3/6 00:57, Thomas Gleixner wrote:
> > diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
> > index 2531f3496ab6..a28e5ac5fc79 100644
> > --- a/kernel/irq/Kconfig
> > +++ b/kernel/irq/Kconfig
> > @@ -108,6 +108,10 @@ config GENERIC_IRQ_MATRIX_ALLOCATOR
> >    config GENERIC_IRQ_RESERVATION_MODE
> >           bool
> >
> > +# Snapshot for interrupt statistics
> > +config GENERIC_IRQ_STAT_SNAPSHOT
> > +       bool
> > +
> >    # Support forced irq threading
> >    config IRQ_FORCED_THREADING
> >           bool
> > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> > index 49f652674bd8..899b69fcb598 100644
> > --- a/lib/Kconfig.debug
> > +++ b/lib/Kconfig.debug
> > @@ -1032,6 +1032,7 @@ config SOFTLOCKUP_DETECTOR
> >    config SOFTLOCKUP_DETECTOR_INTR_STORM
> >           bool "Detect Interrupt Storm in Soft Lockups"
> >           depends on SOFTLOCKUP_DETECTOR && IRQ_TIME_ACCOUNTING
> > +       select GENERIC_IRQ_STAT_SNAPSHOT
>
> This goes into the patch which adds the lockup detector parts.

OK, I will implement this in the next version.

Best Regards,
	Bitao Hu