From ec2fc31ae9bf29fdbd6a97994a7907a4d870260e Mon Sep 17 00:00:00 2001
From: elektroschmock <elektroschmock78@googlemail.com>
Date: Fri, 22 Jun 2018 12:58:16 +0200
Subject: [PATCH] sanders: Run ActivityManager and RenderThread as SCHED_FIFO

by setting sys.use_fifo_ui=1
This is only usable on homogenous CPUs

Reference:
https://source.android.com/devices/tech/debug/jank_jitter

Change-Id: I9793b45b631cf8b6db43219fe5d2a3a023ab64bf
---
 vendor_prop.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vendor_prop.mk b/vendor_prop.mk
index 517dda2..b969b5a 100644
--- a/vendor_prop.mk
+++ b/vendor_prop.mk
@@ -296,3 +296,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
 PRODUCT_PROPERTY_OVERRIDES += \
     persist.vendor.qti.inputopts.enable=true \
     persist.vendor.qti.inputopts.movetouchslop=0.6
+
+# UI thread scheduling
+PRODUCT_PROPERTY_OVERRIDES += \
+    sys.use_fifo_ui=1