Hi Pavan, On Monday 23 Nov 2020 at 15:47:57 (+0530), Pavankumar Kondeti wrote: > When the sum of the utilization of CPUs in a power domain is zero,
s/power/performance > return the energy as 0 without doing any computations. > > Signed-off-by: Pavankumar Kondeti <pkond...@codeaurora.org> > --- > include/linux/energy_model.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h > index b67a51c..8810f1f 100644 > --- a/include/linux/energy_model.h > +++ b/include/linux/energy_model.h > @@ -103,6 +103,9 @@ static inline unsigned long em_cpu_energy(struct > em_perf_domain *pd, > struct em_perf_state *ps; > int i, cpu; > > + if (!sum_util) > + return 0; > + > /* > * In order to predict the performance state, map the utilization of > * the most utilized CPU of the performance domain to a requested Makes sense to me, so with nit above: Acked-by: Quentin Perret <qper...@google.com> Thanks! Quentin
