ANDROID: sched/rt: add schedtune accounting

This patch adds schedtune enqueue/dequeue to RT scheduling class.

Change-Id: If416e64319d62191f3aedd675d3e9a21fe2102fb
Signed-off-by: Joel Fernandes <joelaf@google.com>

Author: Joel Fernandes

kernel/sched/rt.c

@@ -9,6 +9,7 @@
 #include <linux/irq_work.h>
 
 #include "walt.h"
+#include "tune.h"
 
 int sched_rr_timeslice = RR_TIMESLICE;
 
@@ -1321,6 +1322,8 @@ enqueue_task_rt(struct rq *rq, struct task_struct *p, int flags)
 
 	if (!task_current(rq, p) && p->nr_cpus_allowed > 1)
 		enqueue_pushable_task(rq, p);
+
+	schedtune_enqueue_task(p, cpu_of(rq));
 }
 
 static void dequeue_task_rt(struct rq *rq, struct task_struct *p, int flags)
@@ -1332,6 +1335,7 @@ static void dequeue_task_rt(struct rq *rq, struct task_struct *p, int flags)
 	walt_dec_cumulative_runnable_avg(rq, p);
 
 	dequeue_pushable_task(rq, p);
+	schedtune_dequeue_task(p, cpu_of(rq));
 }
 
 /*