Snap for 5180536 from 3fcc4c6f8756843271b3f68df4b52f72532f4e66 to pi-platform-release

Change-Id: I0dcde20fde09a1e5943a2acd254d912f812dcf39
diff --git a/scripts/perf-setup/b4s4-setup.sh b/scripts/perf-setup/b4s4-setup.sh
new file mode 100755
index 0000000..7bf714f
--- /dev/null
+++ b/scripts/perf-setup/b4s4-setup.sh
@@ -0,0 +1,68 @@
+#!/system/bin/sh
+#
+# Copyright (C) 2018 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# performance test setup for b4/s4 devices
+
+stop thermal-engine
+stop perfd
+stop vendor.thermal-engine
+stop vendor.perfd
+
+cpubase=/sys/devices/system/cpu
+gov=cpufreq/scaling_governor
+
+cpu=6
+top=8
+
+# Enable golden cores at max frequency.
+# 300000 652800 825600 979200 1132800 1363200 1536000 1747200 1843200 1996800 2016000
+# 300000 576000 748800 998400 1209600 1324800 1516800 1612800 1708800
+while [ $((cpu < $top)) -eq 1 ]; do
+  echo 1 > $cpubase/cpu${cpu}/online
+  echo performance > $cpubase/cpu${cpu}/$gov
+  S=`cat $cpubase/cpu${cpu}/cpufreq/scaling_cur_freq`
+  echo "setting cpu $cpu to max at $S kHz"
+  cpu=$(($cpu + 1))
+done
+
+cpu=0
+top=6
+
+# Disable silver cores.
+while [ $((cpu < $top)) -eq 1 ]; do
+  echo "disable cpu $cpu"
+  echo 0 > $cpubase/cpu${cpu}/online
+  cpu=$(($cpu + 1))
+done
+
+echo "disable GPU bus split"
+echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split
+echo "enable GPU force clocks on"
+echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
+echo "set GPU idle timer to 10000"
+echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer
+
+# 0 381 762 1144 1720 2086 2597 3147 3879 5161 5931 6881
+echo performance > /sys/class/devfreq/soc:qcom,gpubw/governor
+echo -n "set GPU bus frequency to max at "
+cat /sys/class/devfreq/soc:qcom,gpubw/cur_freq
+
+# 180000000 267000000 355000000 430000000
+echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
+echo 0 > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
+echo 0 > /sys/class/kgsl/kgsl-3d0/min_pwrlevel
+echo -n "set GPU frequency to max at "
+cat /sys/class/kgsl/kgsl-3d0/devfreq/cur_freq