| Message ID | 1539102302-9057-6-git-send-email-thara.gopinath@linaro.org (mailing list archive) |
|---|---|
| State | RFC, archived |
| Headers | show |
| Series | Introduce thermal pressure | expand |
Hi Thara, On Tue, 9 Oct 2018 at 18:25, Thara Gopinath <thara.gopinath@linaro.org> wrote: > > Introduce support in CFS periodic tick to trigger the process of > computing average thermal pressure for a cpu. > > Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> > --- > kernel/sched/fair.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index b39fb59..7deb1d0 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -21,6 +21,7 @@ > * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra > */ > #include "sched.h" > +#include "thermal.h" > > #include <trace/events/sched.h> > > @@ -9557,6 +9558,8 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) > > if (static_branch_unlikely(&sched_numa_balancing)) > task_tick_numa(rq, curr); > + > + update_periodic_maxcap(rq); You have to call update_periodic_maxcap() in update_blocked_averages() too Otherwise, the thermal pressure will not always be updated correctly for tickless system > } > > /* > -- > 2.1.4 >
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b39fb59..7deb1d0 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -21,6 +21,7 @@ * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra */ #include "sched.h" +#include "thermal.h" #include <trace/events/sched.h> @@ -9557,6 +9558,8 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) if (static_branch_unlikely(&sched_numa_balancing)) task_tick_numa(rq, curr); + + update_periodic_maxcap(rq); } /*
Introduce support in CFS periodic tick to trigger the process of computing average thermal pressure for a cpu. Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> --- kernel/sched/fair.c | 3 +++ 1 file changed, 3 insertions(+)