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

From: Thara Gopinath <thara.gopinath@linaro.org>
To: linux-kernel@vger.kernel.org, mingo@redhat.com,
	peterz@infradead.org, rui.zhang@intel.com
Cc: gregkh@linuxfoundation.org, rafael@kernel.org,
	amit.kachhap@gmail.com, viresh.kumar@linaro.org,
	javi.merino@kernel.org, edubezval@gmail.com,
	daniel.lezcano@linaro.org, linux-pm@vger.kernel.org,
	quentin.perret@arm.com, ionela.voinescu@arm.com,
	vincent.guittot@linaro.org
Subject: [RFC PATCH 5/7] sched/fair: Enable CFS periodic tick to update thermal pressure
Date: Tue,  9 Oct 2018 12:25:00 -0400	[thread overview]
Message-ID: <1539102302-9057-6-git-send-email-thara.gopinath@linaro.org> (raw)
In-Reply-To: <1539102302-9057-1-git-send-email-thara.gopinath@linaro.org>

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);
 }
 
 /*
-- 
2.1.4

