[Patch v4 3/6] sched/fair: Enable CFS periodic tick to update thermal pressure

Thara Gopinath
2019-10-22T20:34:37Z

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 | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 682a754..4f9c2cb 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>

@@ -7574,6 +7575,8 @@ static void update_blocked_averages(int cpu)
done = false;

update_blocked_load_status(rq, !done);
+
+ trigger_thermal_pressure_average(rq);
rq_unlock_irqrestore(rq, &rf);
}

@@ -9933,6 +9936,8 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued)

update_misfit_status(curr, rq);
update_overutilized_status(task_rq(curr));
+
+ trigger_thermal_pressure_average(rq);
}

/*
--
2.1.4