[RESEND PATCH V2 1/2] selftests: amd-pstate: Trigger speedometer benchmark and test cpus

7 Nov 2022

Add speedometer.sh trigger the speedometer testing and monitor the cpu
desire performance, frequency, load, power consumption and throughput etc.
Signed-off-by: Meng Li li.meng@amd.com
---
 tools/testing/selftests/amd-pstate/Makefile   |   2 +-
 tools/testing/selftests/amd-pstate/run.sh     |  32 +-
 .../selftests/amd-pstate/selenium_server.sh   |  15 +
 .../selftests/amd-pstate/speedometer.sh       | 349 ++++++++++++++++++
 .../selftests/amd-pstate/speedometer_web.py   | 106 ++++++
 5 files changed, 497 insertions(+), 7 deletions(-)
 create mode 100755 tools/testing/selftests/amd-pstate/selenium_server.sh
 create mode 100755 tools/testing/selftests/amd-pstate/speedometer.sh
 create mode 100755 tools/testing/selftests/amd-pstate/speedometer_web.py

diff --git a/tools/testing/selftests/amd-pstate/Makefile b/tools/testing/selftests/amd-pstate/Makefile
index 5f195ee756d6..d6171775fb61 100644
--- a/tools/testing/selftests/amd-pstate/Makefile
+++ b/tools/testing/selftests/amd-pstate/Makefile
@@ -13,6 +13,6 @@ TEST_GEN_FILES += ../../../power/x86/intel_pstate_tracer/intel_pstate_tracer.py
 endif
TEST_PROGS := run.sh
-TEST_FILES := basic.sh tbench.sh gitsource.sh
+TEST_FILES := basic.sh tbench.sh gitsource.sh speedometer.sh speedometer_web.py selenium_server.sh
include ../lib.mk
diff --git a/tools/testing/selftests/amd-pstate/run.sh b/tools/testing/selftests/amd-pstate/run.sh
index 57cad57e59c0..8283832b3858 100755
--- a/tools/testing/selftests/amd-pstate/run.sh
+++ b/tools/testing/selftests/amd-pstate/run.sh
@@ -11,6 +11,7 @@ fi
 source basic.sh
 source tbench.sh
 source gitsource.sh
+source speedometer.sh
# amd-pstate-ut only run on x86/x86_64 AMD systems.
 ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/')
@@ -21,6 +22,7 @@ FUNC=all
 OUTFILE=selftest
 OUTFILE_TBENCH="$OUTFILE.tbench"
 OUTFILE_GIT="$OUTFILE.gitsource"
+OUTFILE_SPEEDOMETER="$OUTFILE.speedometer"
SYSFS=
 CPUROOT=
@@ -136,6 +138,9 @@ amd_pstate_all()
# gitsource
    amd_pstate_gitsource
+
+	# speedometer
+	amd_pstate_speedometer
 }
help()
@@ -146,10 +151,11 @@ help()
    [-c <all: All testing,
         basic: Basic testing,
         tbench: Tbench testing,
-	     gitsource: Gitsource testing.>]
+	     gitsource: Gitsource testing,
+	     speedometer: Speedometer testing.>]
    [-t <tbench time limit>]
    [-p <tbench process number>]
-	[-l <loop times for tbench>]
+	[-l <loop times>]
    [-i <amd tracer interval>]
    [-m <comparative test: acpi-cpufreq>]
    \n"
@@ -165,7 +171,7 @@ parse_arguments()
    			help
    			;;
-			c) # --func_type (Function to perform: basic, tbench, gitsource (default: all))
+			c) # --func_type (Function to perform: basic, tbench, gitsource, speedometer (default: all))
    			FUNC=$OPTARG
    			;;
@@ -181,7 +187,7 @@ parse_arguments()
    			PROCESS_NUM=$OPTARG
    			;;
-			l) # --tbench/gitsource-loop-times
+			l) # --tbench/gitsource/speedometer-loop-times
    			LOOP_TIMES=$OPTARG
    			;;
@@ -249,7 +255,7 @@ prerequisite()
    	fi
    else
    	case "$FUNC" in
-			"tbench" | "gitsource")
+			"tbench" | "gitsource" | "speedometer")
    			if [ "$scaling_driver" != "$COMPARATIVE_TEST" ]; then
    				echo "$0 # Skipped: Comparison test can only run on $COMPARISON_TEST driver."
    				echo "$0 # Current cpufreq scaling drvier is $scaling_driver."
@@ -258,7 +264,7 @@ prerequisite()
    			;;
*)
-				echo "$0 # Skipped: Comparison test are only for tbench or gitsource."
+				echo "$0 # Skipped: Comparison test are only for tbench, gitsource or speedometer."
    			echo "$0 # Current comparative test is for $FUNC."
    			exit $ksft_skip
    			;;
@@ -284,6 +290,10 @@ prerequisite()
    	"gitsource")
    		command_perf
    		;;
+
+		"speedometer")
+			command_perf
+			;;
    esac
SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`
@@ -335,6 +345,10 @@ do_test()
    		amd_pstate_gitsource
    		;;
+		"speedometer")
+			amd_pstate_speedometer
+			;;
+
    	*)
    		echo "Invalid [-f] function type"
    		help
@@ -364,6 +378,12 @@ pre_clear_dumps()
    		rm -rf gitsource_*.png
    		;;
+		"speedometer")
+			rm -rf $OUTFILE.log
+			rm -rf $OUTFILE.backup_governor.log
+			rm -rf speedometer_*.png
+			;;
+
    	*)
    		;;
    esac
diff --git a/tools/testing/selftests/amd-pstate/selenium_server.sh b/tools/testing/selftests/amd-pstate/selenium_server.sh
new file mode 100755
index 000000000000..d2cb5aeaea3f
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/selenium_server.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+# Before test speedometer benchmark, this script trigger selenium server.
+
+selenium_server_name="selenium-server.jar"
+selenium_server_url="https://github.com/SeleniumHQ/selenium/releases/download/selenium-4.3.0/sele..."
+
+if [ ! -f $selenium_server_name ]; then
+	printf "Download selenium server, please wait a moment ...\n\n"
+	wget -O $selenium_server_name $selenium_server_url
+fi
+
+printf "Run selenium server standalone ...\n\n"
+java -jar $selenium_server_name standalone --port 9515
diff --git a/tools/testing/selftests/amd-pstate/speedometer.sh b/tools/testing/selftests/amd-pstate/speedometer.sh
new file mode 100755
index 000000000000..04539876a094
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/speedometer.sh
@@ -0,0 +1,349 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+# Testing and monitor the cpu frequency and performance when
+# this script trigger speedometer test.
+
+# protect against multiple inclusion
+if [ $FILE_SPEEDOMETER ]; then
+	return 0
+else
+	FILE_SPEEDOMETER=DONE
+fi
+
+speedometer_governors=("ondemand" "schedutil")
+
+# $1: governor, $2: round, $3: des-perf, $4: freq, $5: load, $6: goal, $7: time $8: energy, $9: PPW
+store_csv_speedometer()
+{
+	echo "$1, $2, $3, $4, $5, $6, $7, $8, $9" | tee -a $OUTFILE_SPEEDOMETER.csv > /dev/null 2>&1
+}
+
+# clear some special lines
+clear_csv_speedometer()
+{
+	if [ -f $OUTFILE_SPEEDOMETER.csv ]; then
+		sed -i '/Comprison(%)/d' $OUTFILE_SPEEDOMETER.csv
+		sed -i "/$(scaling_name)/d" $OUTFILE_SPEEDOMETER.csv
+	fi
+}
+
+# find string $1 in file csv and get the number of lines
+get_lines_csv_speedometer()
+{
+	if [ -f $OUTFILE_SPEEDOMETER.csv ]; then
+		return `grep -c "$1" $OUTFILE_SPEEDOMETER.csv`
+	else
+		return 0
+	fi
+}
+
+pre_clear_speedometer()
+{
+	post_clear_speedometer
+	rm -rf speedometer_*.png
+	clear_csv_speedometer
+}
+
+post_clear_speedometer()
+{
+	rm -rf results/tracer-speedometer*
+	rm -rf $OUTFILE_SPEEDOMETER*.log
+	rm -rf $OUTFILE_SPEEDOMETER*.result
+}
+
+# $1: governor, $2: loop
+run_speedometer()
+{
+	local_host="`hostname --fqdn`"
+	local_ip=`host $local_host 2>/dev/null | awk '{print $NF}'`
+
+	echo "Launching amd pstate tracer for $1 #$2 tracer_interval: $TRACER_INTERVAL"
+	./amd_pstate_trace.py -n tracer-speedometer-$1-$2 -i $TRACER_INTERVAL > /dev/null 2>&1 &
+
+	echo "Run speedometer for $1 #$2"
+	perf stat -a --per-socket -I 1000 -e power/energy-pkg/ > $OUTFILE_SPEEDOMETER-perf-$1-$2.log 2>&1 & pid_perf=$!
+	./speedometer_web.py -i $local_ip -n $OUTFILE_SPEEDOMETER-web-$1-$2.log
+
+	kill $pid_perf
+	for job in `jobs -p`
+	do
+		echo "Waiting for job id $job"
+		wait $job
+	done
+
+}
+
+# $1: governor, $2: loop
+parse_speedometer()
+{
+	awk '{print $5}' results/tracer-speedometer-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_SPEEDOMETER-des-perf-$1-$2.log
+	avg_des_perf=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_SPEEDOMETER-des-perf-$1-$2.log)
+	printf "Speedometer-$1-#$2 avg des perf: $avg_des_perf\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	awk '{print $7}' results/tracer-speedometer-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_SPEEDOMETER-freq-$1-$2.log
+	avg_freq=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_SPEEDOMETER-freq-$1-$2.log)
+	printf "Speedometer-$1-#$2 avg freq: $avg_freq\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	awk '{print $11}' results/tracer-speedometer-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_SPEEDOMETER-load-$1-$2.log
+	avg_load=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_SPEEDOMETER-load-$1-$2.log)
+	printf "Speedometer-$1-#$2 avg load: $avg_load\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	awk '{print $1}' $OUTFILE_SPEEDOMETER-web-$1-$2.log > $OUTFILE_SPEEDOMETER-time-$1-$2.log
+	time_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_SPEEDOMETER-time-$1-$2.log)
+	printf "Speedometer-$1-#$2 user time(s): $time_sum\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	awk '{print $2}' $OUTFILE_SPEEDOMETER-web-$1-$2.log > $OUTFILE_SPEEDOMETER-goal-$1-$2.log
+	goal_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_SPEEDOMETER-goal-$1-$2.log)
+	printf "Speedometer-$1-#$2 goal: $goal_sum\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep Joules $OUTFILE_SPEEDOMETER-perf-$1-$2.log | awk '{print $4}' > $OUTFILE_SPEEDOMETER-energy-$1-$2.log
+	en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_SPEEDOMETER-energy-$1-$2.log)
+	printf "Speedometer-$1-#$2 power consumption(J): $en_sum\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	# Permance is runs per second, denoted G/60, where G is runs per minute.
+	# It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
+	# and t is time measured in seconds(s). This means that performance per watt becomes
+	#        G/60    G/60    Gt
+	#       ----- = ----- = -----
+	#         P      E/t    60*E
+	# with unit given by runs per wattt.
+	ppw=`echo "scale=4;$goal_sum*$time_sum/($en_sum*60)" | bc | awk '{printf "%.4f", $0}'`
+	printf "Speedometer-$1 performance per watt(goal/w): $ppw\n" | tee -a $OUTFILE_SPEEDOMETER.result
+	printf "\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	driver_name=`echo $(scaling_name)`
+	store_csv_speedometer "$driver_name-$1" $2 $avg_des_perf $avg_freq $avg_load $goal_sum $time_sum $en_sum $ppw
+}
+
+# $1: governor
+loop_speedometer()
+{
+	printf "\nSpeedometer total test times is $LOOP_TIMES for $1\n\n"
+	for i in `seq 1 $LOOP_TIMES`
+	do
+		run_speedometer $1 $i
+		parse_speedometer $1 $i
+	done
+}
+
+# $1: governor
+gather_speedometer()
+{
+	printf "Speedometer test result for $1 (loops:$LOOP_TIMES)" | tee -a $OUTFILE_SPEEDOMETER.result
+	printf "\n--------------------------------------------------\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "avg des perf:" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-des-perf-$1.log
+	avg_des_perf=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-des-perf-$1.log)
+	printf "Speedometer-$1 avg des perf: $avg_des_perf\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "avg freq:" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-freq-$1.log
+	avg_freq=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-freq-$1.log)
+	printf "Speedometer-$1 avg freq: $avg_freq\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "avg load:" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-load-$1.log
+	avg_load=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-load-$1.log)
+	printf "Speedometer-$1 avg load: $avg_load\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "goal:" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-goal-$1.log
+	avg_goal=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-goal-$1.log)
+	printf "Speedometer-$1 avg goal: $avg_goal\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "user time(s):" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-time-$1.log
+	time_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_SPEEDOMETER-time-$1.log)
+	printf "Speedometer-$1 total user time(s): $time_sum\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	avg_time=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-time-$1.log)
+	printf "Speedometer-$1 avg user times(s): $avg_time\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	grep "Speedometer-$1-#" $OUTFILE_SPEEDOMETER.result | grep "power consumption(J):" | awk '{print $NF}' > $OUTFILE_SPEEDOMETER-energy-$1.log
+	en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_SPEEDOMETER-energy-$1.log)
+	printf "Speedometer-$1 total power consumption(J): $en_sum\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	avg_en=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_SPEEDOMETER-energy-$1.log)
+	printf "Speedometer-$1 avg power consumption(J): $avg_en\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	# Permance is runs per second, denoted G/60, where G is runs per minute.
+	# It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J),
+	# and t is time measured in seconds(s). This means that performance per watt becomes
+	#        G/60    G/60    Gt
+	#       ----- = ----- = -----
+	#         P      E/t    60*E
+	# with unit given by runs per wattt.
+	ppw=`echo "scale=4;$avg_goal*$avg_time/($avg_en*60)" | bc | awk '{printf "%.4f", $0}'`
+	printf "Speedometer-$1 performance per watt(goal/w): $ppw\n" | tee -a $OUTFILE_SPEEDOMETER.result
+	printf "\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+	driver_name=`echo $(scaling_name)`
+	store_csv_speedometer "$driver_name-$1" "Average" $avg_des_perf $avg_freq $avg_load $avg_goal $avg_time $avg_en $ppw
+}
+
+# $1: base scaling_driver $2: base governor $3: comparison scaling_driver $4: comparison governor
+__calc_comp_speedometer()
+{
+	base=`grep "$1-$2" $OUTFILE_SPEEDOMETER.csv | grep "Average"`
+	comp=`grep "$3-$4" $OUTFILE_SPEEDOMETER.csv | grep "Average"`
+
+	if [ -n "$base" -a -n "$comp" ]; then
+		printf "\n==================================================\n" | tee -a $OUTFILE_SPEEDOMETER.result
+		printf "Speedometer comparison $1-$2 VS $3-$4" | tee -a $OUTFILE_SPEEDOMETER.result
+		printf "\n==================================================\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		# get the base values
+		des_perf_base=`echo "$base" | awk '{print $3}' | sed s/,//`
+		freq_base=`echo "$base" | awk '{print $4}' | sed s/,//`
+		load_base=`echo "$base" | awk '{print $5}' | sed s/,//`
+		goal_base=`echo "$base" | awk '{print $6}' | sed s/,//`
+		time_base=`echo "$base" | awk '{print $7}' | sed s/,//`
+		energy_base=`echo "$base" | awk '{print $8}' | sed s/,//`
+		ppw_base=`echo "$base" | awk '{print $9}' | sed s/,//`
+
+		# get the comparison values
+		des_perf_comp=`echo "$comp" | awk '{print $3}' | sed s/,//`
+		freq_comp=`echo "$comp" | awk '{print $4}' | sed s/,//`
+		load_comp=`echo "$comp" | awk '{print $5}' | sed s/,//`
+		goal_comp=`echo "$comp" | awk '{print $6}' | sed s/,//`
+		time_comp=`echo "$comp" | awk '{print $7}' | sed s/,//`
+		energy_comp=`echo "$comp" | awk '{print $8}' | sed s/,//`
+		ppw_comp=`echo "$comp" | awk '{print $9}' | sed s/,//`
+
+		# compare the base and comp values
+		des_perf_drop=`echo "scale=4;($des_perf_comp-$des_perf_base)*100/$des_perf_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 des perf base: $des_perf_base comprison: $des_perf_comp percent: $des_perf_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		freq_drop=`echo "scale=4;($freq_comp-$freq_base)*100/$freq_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 freq base: $freq_base comprison: $freq_comp percent: $freq_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		load_drop=`echo "scale=4;($load_comp-$load_base)*100/$load_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 load base: $load_base comprison: $load_comp percent: $load_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		time_drop=`echo "scale=4;($time_comp-$time_base)*100/$time_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 time base: $time_base comprison: $time_comp percent: $time_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		goal_drop=`echo "scale=4;($goal_comp-$goal_base)*100/$goal_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 goal base: $goal_base comprison: $goal_comp percent: $goal_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		energy_drop=`echo "scale=4;($energy_comp-$energy_base)*100/$energy_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 energy base: $energy_base comprison: $energy_comp percent: $energy_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		ppw_drop=`echo "scale=4;($ppw_comp-$ppw_base)*100/$ppw_base" | bc | awk '{printf "%.4f", $0}'`
+		printf "Speedometer-$1 performance per watt base: $ppw_base comprison: $ppw_comp percent: $ppw_drop\n" | tee -a $OUTFILE_SPEEDOMETER.result
+		printf "\n" | tee -a $OUTFILE_SPEEDOMETER.result
+
+		store_csv_speedometer "$1-$2 VS $3-$4" "Comprison(%)" "$des_perf_drop" "$freq_drop" "$load_drop" "$goal_drop" "$time_drop" "$energy_drop" "$ppw_drop"
+	fi
+}
+
+# calculate the comparison(%)
+calc_comp_speedometer()
+{
+	# acpi-cpufreq-ondemand VS acpi-cpufreq-schedutil
+	__calc_comp_speedometer ${all_scaling_names[0]} ${speedometer_governors[0]} ${all_scaling_names[0]} ${speedometer_governors[1]}
+
+	# amd-pstate-ondemand VS amd-pstate-schedutil
+	__calc_comp_speedometer ${all_scaling_names[1]} ${speedometer_governors[0]} ${all_scaling_names[1]} ${speedometer_governors[1]}
+
+	# acpi-cpufreq-ondemand VS amd-pstate-ondemand
+	__calc_comp_speedometer ${all_scaling_names[0]} ${speedometer_governors[0]} ${all_scaling_names[1]} ${speedometer_governors[0]}
+
+	# acpi-cpufreq-schedutil VS amd-pstate-schedutil
+	__calc_comp_speedometer ${all_scaling_names[0]} ${speedometer_governors[1]} ${all_scaling_names[1]} ${speedometer_governors[1]}
+}
+
+# $1: file_name, $2: title, $3: ylable, $4: column
+plot_png_speedometer()
+{
+	# all_scaling_names[1] all_scaling_names[0] flag
+	#    amd-pstate           acpi-cpufreq
+	#         N                   N             0
+	#         N                   Y             1
+	#         Y                   N             2
+	#         Y                   Y             3
+	ret=`grep -c "${all_scaling_names[1]}" $OUTFILE_SPEEDOMETER.csv`
+	if [ $ret -eq 0 ]; then
+		ret=`grep -c "${all_scaling_names[0]}" $OUTFILE_SPEEDOMETER.csv`
+		if [ $ret -eq 0 ]; then
+			flag=0
+		else
+			flag=1
+		fi
+	else
+		ret=`grep -c "${all_scaling_names[0]}" $OUTFILE_SPEEDOMETER.csv`
+		if [ $ret -eq 0 ]; then
+			flag=2
+		else
+			flag=3
+		fi
+	fi
+
+	gnuplot << EOF
+		set term png
+		set output "$1"
+
+		set title "$2"
+		set xlabel "Test Cycles (round)"
+		set ylabel "$3"
+
+		set grid
+		set style data histogram
+		set style fill solid 0.5 border
+		set boxwidth 0.8
+
+		if ($flag == 1) {
+			plot \
+			"<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${speedometer_governors[0]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${speedometer_governors[0]}", \
+			"<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${speedometer_governors[1]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${speedometer_governors[1]}"
+		} else {
+			if ($flag == 2) {
+				plot \
+				"<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${speedometer_governors[0]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${speedometer_governors[0]}", \
+				"<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${speedometer_governors[1]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${speedometer_governors[1]}"
+			} else {
+				if ($flag == 3 ) {
+					plot \
+					"<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${speedometer_governors[0]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${speedometer_governors[0]}", \
+					"<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${speedometer_governors[1]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${speedometer_governors[1]}", \
+					"<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${speedometer_governors[0]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${speedometer_governors[0]}", \
+					"<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${speedometer_governors[1]}/p' $OUTFILE_SPEEDOMETER.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${speedometer_governors[1]}"
+				}
+			}
+		}
+		quit
+EOF
+}
+
+amd_pstate_speedometer()
+{
+	echo "!!!*** Please make sure to run selenium_server.sh on the server before you start testing speedometer. ***!!!"
+
+	printf "\n---------------------------------------------\n"
+	printf "*** Running speedometer                   ***"
+	printf "\n---------------------------------------------\n"
+
+	pre_clear_speedometer
+
+	get_lines_csv_speedometer "Governor"
+	if [ $? -eq 0 ]; then
+		# add titles and unit for csv file
+		store_csv_speedometer "Governor" "Round" "Des-perf" "Freq" "Load" "Goal" "Time" "Energy" "Performance Per Watt"
+		store_csv_speedometer "Unit" "" "" "GHz" "" "Runs/Minute" "s" "J" "Runs/w"
+	fi
+
+	backup_governor
+	for governor in ${speedometer_governors[*]} ; do
+		printf "\nSpecified governor is $governor\n\n"
+		switch_governor $governor
+		loop_speedometer $governor
+		gather_speedometer $governor
+	done
+	restore_governor
+
+	plot_png_speedometer "speedometer_goal.png" "Speedometer Goal" "Goal (Runs/Minute)" 6
+	plot_png_speedometer "speedometer_time.png" "Speedometer Time" "Time (s)" 7
+	plot_png_speedometer "speedometer_energy.png" "Speedometer Energy" "Energy (J)" 8
+	plot_png_speedometer "speedometer_ppw.png" "Speedometer Performance Per Watt" "Performance Per Watt (Runs/W)" 9
+
+	calc_comp_speedometer
+
+	post_clear_speedometer
+}
diff --git a/tools/testing/selftests/amd-pstate/speedometer_web.py b/tools/testing/selftests/amd-pstate/speedometer_web.py
new file mode 100755
index 000000000000..2f969e261ed6
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/speedometer_web.py
@@ -0,0 +1,106 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0-only
+# -*- coding: utf-8 -*-
+#
+""" This utility can be used to run speedometer.
+
+Prerequisites:
+    Python version 3.0.x or higher
+    chromium-browser
+    chromium-chromedriver
+    selenium
+    selenium-server
+
+    see print_help(): for Usage and Output details
+
+"""
+
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+from selenium.webdriver.remote import webelement
+from time import sleep
+import os
+import sys
+import getopt
+
+test_result = False
+ip_addr = ""
+file_name = ""
+
+def print_help():
+    print('speedometer_web.py:')
+    print('  Usage:')
+    print('    To generate speedometer test result file, parse and plot, use:')
+    print('      ./speedometer_web.py -i <ip_addr> -n <test_name>')
+
+def store_data_file(time, result_text):
+    """ Store speedometer test results """
+
+    try:
+        f_handle = open(file_name, 'a')
+        str_buffer = "%u %s" % (time, result_text)
+        f_handle.write(str_buffer)
+        f_handle.close()
+    except:
+        print('IO error', file_name)
+        return
+
+def remove_data_file():
+    """ Remove data files """
+
+    if os.path.exists(file_name):
+        os.remove(file_name)
+
+if __name__ == "__main__":
+
+    valid1 = False
+    valid2 = False
+
+    try:
+        opts, args = getopt.getopt(sys.argv[1:],"hn:i:",["help","name="])
+    except getopt.GetoptError:
+        print_help()
+        sys.exit(2)
+    for opt, arg in opts:
+        if opt == '-h':
+            print_help()
+            sys.exit()
+        elif opt in ("-i", "--ip"):
+            valid1 = True
+            ip_addr = arg
+        elif opt in ("-n", "--name"):
+            valid2 = True
+            file_name = arg
+
+    if (valid1 and valid2) :
+        chrome_options = Options()
+        chrome_options.add_argument('--no-sandbox')
+        chrome_options.add_argument('--incognito')
+
+        driver = webdriver.Remote(command_executor='http://%7B%7D:9515/wd/hub%27.format(ip_addr), options=chrome_options)
+
+        driver.get('https://browserbench.org/Speedometer2.0/')
+        sleep(1)
+
+        driver.find_element(By.XPATH,"//div[@class='buttons']/button").click()
+        for i in range(0, 200, +1):
+            print("\rRun speedometer: \033[0;31m{:2}\033[0ms".format(i), end="", flush=True)
+            sleep(1)
+            if i > 50:
+                result = driver.find_element(By.XPATH,"//div[@id='result-number']")
+                if result.text:
+                    test_result = True
+                    print("\nTest result: " + result.text)
+                    remove_data_file()
+                    store_data_file(i, result.text)
+                    break
+
+        if test_result == False:
+            print("\nTest fail, please test again!")
+
+        driver.quit()
+    else:
+        print_help()
+        sys.exit()
+
-- 
2.34.1


    

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[RESEND PATCH V2 1/2] selftests: amd-pstate: Trigger speedometer benchmark and test cpus