[RFC PATCH 5/7] sched/fair: Enable CFS periodic tick to update thermal pressure

From: Thara Gopinath
Date: Tue Oct 09 2018 - 12:25:18 EST


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@xxxxxxxxxx>
---
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);
}

/*
--
2.1.4