On Sat, Nov 28, 2020 at 3:21 AM Pavankumar Kondeti <[email protected]> wrote: > > When the sum of the utilization of CPUs in a power domain is zero, > return the energy as 0 without doing any computations. > > Acked-by: Quentin Perret <[email protected]> > Reviewed-by: Dietmar Eggemann <[email protected]> > Signed-off-by: Pavankumar Kondeti <[email protected]> > --- > 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 > --
Applied as 5.11 material, thanks!
