From dd8c08f3ee2633e9b7392b2f870492f97ea9c986 Mon Sep 17 00:00:00 2001
From: Thara Gopinath <thara.gopinath@linaro.org>
Date: Mon, 20 Sep 2021 11:10:12 -0400
Subject: Initial commit with scripts and dhrystone binary

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
 bin/dhrystone                | Bin 0 -> 4884472 bytes
 dhrystone-performance-opp.sh |  92 +++++++++++++++++++++++++++++++++++++++++++
 record-temp.sh               |  44 +++++++++++++++++++++
 3 files changed, 136 insertions(+)
 create mode 100755 bin/dhrystone
 create mode 100755 dhrystone-performance-opp.sh
 create mode 100755 record-temp.sh

diff --git a/bin/dhrystone b/bin/dhrystone
new file mode 100755
index 0000000..a24ec03
Binary files /dev/null and b/bin/dhrystone differ
diff --git a/dhrystone-performance-opp.sh b/dhrystone-performance-opp.sh
new file mode 100755
index 0000000..7ad9a13
--- /dev/null
+++ b/dhrystone-performance-opp.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+#CPU_BASE=cpu4
+#CPU_GROUP=$(cat /sys/devices/system/cpu/$CPU_BASE/cpufreq/related_cpus)
+#NR_CPUS=$(echo $CPU_GROUP | wc -w)
+#CPU_GROUP=$(echo $CPU_GROUP | tr ' ' ',')
+MSG=10000
+
+OUTPUT_FILE="dhry-output"
+rm -Rf $OUTPUT_FILE
+
+#Check if workload cpu and stat cpu are valid
+if [ "$#" -ne  "2" ];
+then
+	echo "Please specify workload cpu and stat collection cpu"
+	exit 1
+fi
+WORK_CPU=$1
+STAT_CPU=$2
+if [ "$WORK_CPU" -lt "0" ] || [ "$WORK_CPU" -gt "7" ];
+then
+	echo "Invalid workload cpu. Enter cpu number between 0 and 7"
+	exit 1
+fi
+if [ "$STAT_CPU" -lt "0" ] || [ "$STAT_CPU" -gt "7" ];
+then
+	echo "Invalid stat collection cpu. Enter cpu number between 0 and 7"
+	exit 1
+fi
+
+#WORK_CPU=$(echo "cpu"$WORK_CPU)
+
+echo "Workload cpu is: $WORK_CPU; Stat Collection cpu is: $STAT_CPU"
+# Check we are root
+if [ "$(id -u)" != "0" ]; then
+   echo "Script needs the root privilege"
+   exit 1
+fi
+
+# Check the userspace governor exists
+cat /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_available_governors | grep -q userspace
+RET=$?
+if [ "$RET" != "0" ];
+then
+    echo "No 'userspace' governor available"
+    exit 1
+fi
+
+# Check the dhrystone binary is accessible
+#DHRYSTONE=$(which dhrystone)
+#if [ "$DHRYSTONE" == "" ]; then
+#    echo "No dhrystone program found"
+#    exit 1
+#fi
+
+DHRYSTONE="bin/dhrystone"
+
+# Grab all the frequencies
+FREQUENCIES=$(cat /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_available_frequencies)
+
+# Save the old governor
+OLD_GOVERNOR=$(cat /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_governor)
+
+#Change governor to userspace
+echo userspace > /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_governor
+
+
+# Run test pinning to WORK_CPU
+
+echo
+echo "Testing one process pinned to cpu $WORK_CPU"
+echo
+
+for i in $FREQUENCIES;
+do
+     echo "Testing at frequency: "$i
+     echo "##### Testing at frequency: $i #####" >> $OUTPUT_FILE
+     echo $i > /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_setspeed
+     taskset -c $STAT_CPU ./record-temp.sh $WORK_CPU >> $OUTPUT_FILE &
+     pid=$!
+     taskset -c $WORK_CPU $DHRYSTONE -t 1 -l $MSG >> $OUTPUT_FILE
+     echo >> $OUTPUT_FILE
+     kill $pid
+     sleep 1
+     echo >> $OUTPUT_FILE
+     echo >> $OUTPUT_FILE
+done
+
+# Set back the previous governor
+echo $OLD_GOVERNOR > /sys/devices/system/cpu/cpu$WORK_CPU/cpufreq/scaling_governor
+
+echo "Testing Done. Results Available in "$OUTPUT_FILE
diff --git a/record-temp.sh b/record-temp.sh
new file mode 100755
index 0000000..a2478e4
--- /dev/null
+++ b/record-temp.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+tzone_array=( "$@" )
+OUTPUT_DIR="output"
+
+trap 'gather_results' EXIT
+gather_results()
+{
+	for tzone in ${tzone_array[@]}
+	do
+		echo "Thermal Zone "$tzone":"
+		FILE="$OUTPUT_DIR/temp_tzone_$tzone"
+		awk 'BEGIN 	{ total = 0
+				  count=0 
+			  	}
+				{ if(max== "" || $1 > max) {max=$1}
+				  total=total+$1
+				  count++
+				}
+			END 	{ avg=total/count
+			print ("Max Temp: " max, "Avg Temp: " avg)
+				}' $FILE
+	done
+	exit
+}
+
+mkdir -p $OUTPUT_DIR
+
+for tzone in ${tzone_array[@]}
+do
+	FILE="$OUTPUT_DIR/temp_tzone_$tzone"
+	rm -Rf $FILE
+done
+
+while :
+do
+	for tzone in ${tzone_array[@]}
+	do
+		temp=$(cat /sys/class/thermal/thermal_zone$tzone/temp)
+		FILE="$OUTPUT_DIR/temp_tzone_$tzone"
+		echo $temp >> $FILE
+	done
+	sleep 1
+done
-- 
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