Re: [PATCH v5 2/4] sched: Add helper kstat_cpu_softirqs_sum()

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On Tue, Nov 08, 2022 at 08:00:56PM +0530, Mukesh Ojha wrote:
> Hi,
> 
> On 11/4/2022 7:41 PM, Zhen Lei wrote:
> > Similar to kstat_cpu_irqs_sum(), it counts the sum of all software
> > interrupts on a specified CPU.
> > 
> > Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
> > ---
> >   include/linux/kernel_stat.h | 11 +++++++++++
> >   1 file changed, 11 insertions(+)
> > 
> > diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
> > index 90e2fdc17d79ff8..898076e173a928a 100644
> > --- a/include/linux/kernel_stat.h
> > +++ b/include/linux/kernel_stat.h
> > @@ -67,6 +67,17 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu)
> >          return kstat_cpu(cpu).softirqs[irq];
> >   }
> 
> One header comment would have been good.

No argument, except that the other functions in this file are also quite
innocent of header comments.  :-/

I have no idea what the maintainer(s) of this code would think of a
separate patch supplying the header comments.

> > +static inline unsigned int kstat_cpu_softirqs_sum(int cpu)
> > +{
> > +	int i;
> > +	unsigned int sum = 0;
> > +
> > +	for (i = 0; i < NR_SOFTIRQS; i++)
> > +		sum += kstat_softirqs_cpu(i, cpu);
> > +
> > +	return sum;
> > +}
> > +
> >   /*
> >    * Number of interrupts per specific IRQ source, since bootup
> >    */
> 
> LGTM.
> Reviewed-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>

Applied all three, thank you!

							Thanx, Paul



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