diff options
author | Meng Li <li.meng@amd.com> | 2022-10-31 11:49:22 +0300 |
---|---|---|
committer | Shuah Khan <skhan@linuxfoundation.org> | 2022-11-01 12:21:04 +0300 |
commit | ba2d788aa873da9c65ff067ca94665853eab95f0 (patch) | |
tree | 96e8f29b4608ad4ac34872a256f345a4392a8b23 /tools/testing/selftests/amd-pstate | |
parent | e5df326817e97799fda8add1c0f486f3539d238c (diff) | |
download | linux-ba2d788aa873da9c65ff067ca94665853eab95f0.tar.xz |
selftests: amd-pstate: Trigger tbench benchmark and test cpus
Add tbench.sh trigger the tbench testing and monitor the cpu desire
performance, frequency, load, power consumption and throughput etc.
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/amd-pstate')
-rw-r--r-- | tools/testing/selftests/amd-pstate/Makefile | 10 | ||||
-rwxr-xr-x | tools/testing/selftests/amd-pstate/run.sh | 245 | ||||
-rwxr-xr-x | tools/testing/selftests/amd-pstate/tbench.sh | 339 |
3 files changed, 583 insertions, 11 deletions
diff --git a/tools/testing/selftests/amd-pstate/Makefile b/tools/testing/selftests/amd-pstate/Makefile index 6f4c7b01e3bb..cac8dedb7226 100644 --- a/tools/testing/selftests/amd-pstate/Makefile +++ b/tools/testing/selftests/amd-pstate/Makefile @@ -4,7 +4,15 @@ # No binaries, but make sure arg-less "make" doesn't trigger "run_tests" all: +uname_M := $(shell uname -m 2>/dev/null || echo not) +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) + +ifeq (x86,$(ARCH)) +TEST_GEN_FILES += ../../../power/x86/amd_pstate_tracer/amd_pstate_trace.py +TEST_GEN_FILES += ../../../power/x86/intel_pstate_tracer/intel_pstate_tracer.py +endif + TEST_PROGS := run.sh -TEST_FILES := basic.sh +TEST_FILES := basic.sh tbench.sh include ../lib.mk diff --git a/tools/testing/selftests/amd-pstate/run.sh b/tools/testing/selftests/amd-pstate/run.sh index 35c0a0b16ad3..e7e98068a03b 100755 --- a/tools/testing/selftests/amd-pstate/run.sh +++ b/tools/testing/selftests/amd-pstate/run.sh @@ -9,16 +9,107 @@ else fi source basic.sh +source tbench.sh # amd-pstate-ut only run on x86/x86_64 AMD systems. ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/') VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}') +msg="Skip all tests:" FUNC=all OUTFILE=selftest +OUTFILE_TBENCH="$OUTFILE.tbench" + +SYSFS= +CPUROOT= +CPUFREQROOT= +MAKE_CPUS= + +TIME_LIMIT=100 +PROCESS_NUM=128 +LOOP_TIMES=3 +TRACER_INTERVAL=10 +CURRENT_TEST=amd-pstate +COMPARATIVE_TEST= # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 +all_scaling_names=("acpi-cpufreq" "amd-pstate") + +# Get current cpufreq scaling driver name +scaling_name() +{ + if [ "$COMPARATIVE_TEST" = "" ]; then + echo "$CURRENT_TEST" + else + echo "$COMPARATIVE_TEST" + fi +} + +# Counts CPUs with cpufreq directories +count_cpus() +{ + count=0; + + for cpu in `ls $CPUROOT | grep "cpu[0-9].*"`; do + if [ -d $CPUROOT/$cpu/cpufreq ]; then + let count=count+1; + fi + done + + echo $count; +} + +# $1: policy +find_current_governor() +{ + cat $CPUFREQROOT/$1/scaling_governor +} + +backup_governor() +{ + policies=$(ls $CPUFREQROOT| grep "policy[0-9].*") + for policy in $policies; do + cur_gov=$(find_current_governor $policy) + echo "$policy $cur_gov" >> $OUTFILE.backup_governor.log + done + + printf "Governor $cur_gov backup done.\n" +} + +restore_governor() +{ + i=0; + + policies=$(awk '{print $1}' $OUTFILE.backup_governor.log) + for policy in $policies; do + let i++; + governor=$(sed -n ''$i'p' $OUTFILE.backup_governor.log | awk '{print $2}') + + # switch governor + echo $governor > $CPUFREQROOT/$policy/scaling_governor + done + + printf "Governor restored to $governor.\n" +} + +# $1: governor +switch_governor() +{ + policies=$(ls $CPUFREQROOT| grep "policy[0-9].*") + for policy in $policies; do + filepath=$CPUFREQROOT/$policy/scaling_available_governors + + # Exit if cpu isn't managed by cpufreq core + if [ ! -f $filepath ]; then + return; + fi + + echo $1 > $CPUFREQROOT/$policy/scaling_governor + done + + printf "Switched governor to $1.\n" +} # All amd-pstate tests amd_pstate_all() @@ -27,8 +118,19 @@ amd_pstate_all() printf "***** Running AMD P-state Sanity Tests *****\n" printf "=============================================\n\n" + count=$(count_cpus) + if [ $count = 0 ]; then + printf "No cpu is managed by cpufreq core, exiting\n" + exit; + else + printf "AMD P-state manages: $count CPUs\n" + fi + # unit test for amd-pstate kernel driver amd_pstate_basic + + # tbench + amd_pstate_tbench } help() @@ -37,21 +139,27 @@ help() [-h <help>] [-o <output-file-for-dump>] [-c <all: All testing, - basic: Basic testing.>] + basic: Basic testing, + tbench: Tbench testing.>] + [-t <tbench time limit>] + [-p <tbench process number>] + [-l <loop times for tbench>] + [-i <amd tracer interval>] + [-m <comparative test: acpi-cpufreq>] \n" exit 2 } parse_arguments() { - while getopts ho:c: arg + while getopts ho:c:t:p:l:i:m: arg do case $arg in h) # --help help ;; - c) # --func_type (Function to perform: basic (default: all)) + c) # --func_type (Function to perform: basic, tbench (default: all)) FUNC=$OPTARG ;; @@ -59,6 +167,26 @@ parse_arguments() OUTFILE=$OPTARG ;; + t) # --tbench-time-limit + TIME_LIMIT=$OPTARG + ;; + + p) # --tbench-process-number + PROCESS_NUM=$OPTARG + ;; + + l) # --tbench-loop-times + LOOP_TIMES=$OPTARG + ;; + + i) # --amd-tracer-interval + TRACER_INTERVAL=$OPTARG + ;; + + m) # --comparative-test + COMPARATIVE_TEST=$OPTARG + ;; + *) help ;; @@ -66,6 +194,32 @@ parse_arguments() done } +command_perf() +{ + if ! command -v perf > /dev/null; then + echo $msg please install perf. >&2 + exit $ksft_skip + fi +} + +command_tbench() +{ + if ! command -v tbench > /dev/null; then + if apt policy dbench > /dev/null 2>&1; then + echo $msg apt install dbench >&2 + exit $ksft_skip + elif yum list available | grep dbench > /dev/null 2>&1; then + echo $msg yum install dbench >&2 + exit $ksft_skip + fi + fi + + if ! command -v tbench > /dev/null; then + echo $msg please install tbench. >&2 + exit $ksft_skip + fi +} + prerequisite() { if ! echo "$ARCH" | grep -q x86; then @@ -80,22 +234,80 @@ prerequisite() fi scaling_driver=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_driver) - if [ "$scaling_driver" != "amd-pstate" ]; then - echo "$0 # Skipped: Test can only run on amd-pstate driver." - echo "$0 # Please set X86_AMD_PSTATE enabled." - echo "$0 # Current cpufreq scaling drvier is $scaling_driver." - exit $ksft_skip + if [ "$COMPARATIVE_TEST" = "" ]; then + if [ "$scaling_driver" != "$CURRENT_TEST" ]; then + echo "$0 # Skipped: Test can only run on $CURRENT_TEST driver or run comparative test." + echo "$0 # Please set X86_AMD_PSTATE enabled or run comparative test." + echo "$0 # Current cpufreq scaling drvier is $scaling_driver." + exit $ksft_skip + fi + else + case "$FUNC" in + "tbench") + if [ "$scaling_driver" != "$COMPARATIVE_TEST" ]; then + echo "$0 # Skipped: Comparison test can only run on $COMPARATIVE_TEST driver." + echo "$0 # Current cpufreq scaling drvier is $scaling_driver." + exit $ksft_skip + fi + ;; + + *) + echo "$0 # Skipped: Comparison test are only for tbench." + echo "$0 # Current comparative test is for $FUNC." + exit $ksft_skip + ;; + esac fi - msg="Skip all tests:" if [ ! -w /dev ]; then echo $msg please run this as root >&2 exit $ksft_skip fi + + case "$FUNC" in + "all") + command_perf + command_tbench + ;; + + "tbench") + command_perf + command_tbench + ;; + esac + + SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'` + + if [ ! -d "$SYSFS" ]; then + echo $msg sysfs is not mounted >&2 + exit 2 + fi + + CPUROOT=$SYSFS/devices/system/cpu + CPUFREQROOT="$CPUROOT/cpufreq" + + if ! ls $CPUROOT/cpu* > /dev/null 2>&1; then + echo $msg cpus not available in sysfs >&2 + exit 2 + fi + + if ! ls $CPUROOT/cpufreq > /dev/null 2>&1; then + echo $msg cpufreq directory not available in sysfs >&2 + exit 2 + fi } do_test() { + # Check if CPUs are managed by cpufreq or not + count=$(count_cpus) + MAKE_CPUS=$((count*2)) + + if [ $count = 0 ]; then + echo "No cpu is managed by cpufreq core, exiting" + exit 2; + fi + case "$FUNC" in "all") amd_pstate_all @@ -105,6 +317,10 @@ do_test() amd_pstate_basic ;; + "tbench") + amd_pstate_tbench + ;; + *) echo "Invalid [-f] function type" help @@ -117,7 +333,15 @@ pre_clear_dumps() { case "$FUNC" in "all") - rm -rf $OUTFILE* + rm -rf $OUTFILE.log + rm -rf $OUTFILE.backup_governor.log + rm -rf *.png + ;; + + "tbench") + rm -rf $OUTFILE.log + rm -rf $OUTFILE.backup_governor.log + rm -rf tbench_*.png ;; *) @@ -128,6 +352,7 @@ pre_clear_dumps() post_clear_dumps() { rm -rf $OUTFILE.log + rm -rf $OUTFILE.backup_governor.log } # Parse arguments diff --git a/tools/testing/selftests/amd-pstate/tbench.sh b/tools/testing/selftests/amd-pstate/tbench.sh new file mode 100755 index 000000000000..49c9850341f6 --- /dev/null +++ b/tools/testing/selftests/amd-pstate/tbench.sh @@ -0,0 +1,339 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +# Testing and monitor the cpu desire performance, frequency, load, +# power consumption and throughput etc.when this script trigger tbench +# test cases. +# 1) Run tbench benchmark on specific governors, ondemand or schedutil. +# 2) Run tbench benchmark comparative test on acpi-cpufreq kernel driver. +# 3) Get desire performance, frequency, load by perf. +# 4) Get power consumption and throughput by amd_pstate_trace.py. +# 5) Analyse test results and save it in file selftest.tbench.csv. +# 6) Plot png images about performance, energy and performance per watt for each test. + +# protect against multiple inclusion +if [ $FILE_TBENCH ]; then + return 0 +else + FILE_TBENCH=DONE +fi + +tbench_governors=("ondemand" "schedutil") + +# $1: governor, $2: round, $3: des-perf, $4: freq, $5: load, $6: performance, $7: energy, $8: performance per watt +store_csv_tbench() +{ + echo "$1, $2, $3, $4, $5, $6, $7, $8" | tee -a $OUTFILE_TBENCH.csv > /dev/null 2>&1 +} + +# clear some special lines +clear_csv_tbench() +{ + if [ -f $OUTFILE_TBENCH.csv ]; then + sed -i '/Comprison(%)/d' $OUTFILE_TBENCH.csv + sed -i "/$(scaling_name)/d" $OUTFILE_TBENCH.csv + fi +} + +# find string $1 in file csv and get the number of lines +get_lines_csv_tbench() +{ + if [ -f $OUTFILE_TBENCH.csv ]; then + return `grep -c "$1" $OUTFILE_TBENCH.csv` + else + return 0 + fi +} + +pre_clear_tbench() +{ + post_clear_tbench + rm -rf tbench_*.png + clear_csv_tbench +} + +post_clear_tbench() +{ + rm -rf results/tracer-tbench* + rm -rf $OUTFILE_TBENCH*.log + rm -rf $OUTFILE_TBENCH*.result + +} + +# $1: governor, $2: loop +run_tbench() +{ + echo "Launching amd pstate tracer for $1 #$2 tracer_interval: $TRACER_INTERVAL" + ./amd_pstate_trace.py -n tracer-tbench-$1-$2 -i $TRACER_INTERVAL > /dev/null 2>&1 & + + printf "Test tbench for $1 #$2 time_limit: $TIME_LIMIT procs_num: $PROCESS_NUM\n" + tbench_srv > /dev/null 2>&1 & + perf stat -a --per-socket -I 1000 -e power/energy-pkg/ tbench -t $TIME_LIMIT $PROCESS_NUM > $OUTFILE_TBENCH-perf-$1-$2.log 2>&1 + + pid=`pidof tbench_srv` + kill $pid + + for job in `jobs -p` + do + echo "Waiting for job id $job" + wait $job + done +} + +# $1: governor, $2: loop +parse_tbench() +{ + awk '{print $5}' results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-des-perf-$1-$2.log + avg_des_perf=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-des-perf-$1-$2.log) + printf "Tbench-$1-#$2 avg des perf: $avg_des_perf\n" | tee -a $OUTFILE_TBENCH.result + + awk '{print $7}' results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-freq-$1-$2.log + avg_freq=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-freq-$1-$2.log) + printf "Tbench-$1-#$2 avg freq: $avg_freq\n" | tee -a $OUTFILE_TBENCH.result + + awk '{print $11}' results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-load-$1-$2.log + avg_load=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-load-$1-$2.log) + printf "Tbench-$1-#$2 avg load: $avg_load\n" | tee -a $OUTFILE_TBENCH.result + + grep Throughput $OUTFILE_TBENCH-perf-$1-$2.log | awk '{print $2}' > $OUTFILE_TBENCH-throughput-$1-$2.log + tp_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-throughput-$1-$2.log) + printf "Tbench-$1-#$2 throughput(MB/s): $tp_sum\n" | tee -a $OUTFILE_TBENCH.result + + grep Joules $OUTFILE_TBENCH-perf-$1-$2.log | awk '{print $4}' > $OUTFILE_TBENCH-energy-$1-$2.log + en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-energy-$1-$2.log) + printf "Tbench-$1-#$2 power consumption(J): $en_sum\n" | tee -a $OUTFILE_TBENCH.result + + # Permance is throughput per second, denoted T/t, where T is throught rendered in t seconds. + # It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J), + # and t is time measured in seconds(s). This means that performance per watt becomes + # T/t T/t T + # --- = --- = --- + # P E/t E + # with unit given by MB per joule. + ppw=`echo "scale=4;($TIME_LIMIT-1)*$tp_sum/$en_sum" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1-#$2 performance per watt(MB/J): $ppw\n" | tee -a $OUTFILE_TBENCH.result + printf "\n" | tee -a $OUTFILE_TBENCH.result + + driver_name=`echo $(scaling_name)` + store_csv_tbench "$driver_name-$1" $2 $avg_des_perf $avg_freq $avg_load $tp_sum $en_sum $ppw +} + +# $1: governor +loop_tbench() +{ + printf "\nTbench total test times is $LOOP_TIMES for $1\n\n" + for i in `seq 1 $LOOP_TIMES` + do + run_tbench $1 $i + parse_tbench $1 $i + done +} + +# $1: governor +gather_tbench() +{ + printf "Tbench test result for $1 (loops:$LOOP_TIMES)" | tee -a $OUTFILE_TBENCH.result + printf "\n--------------------------------------------------\n" | tee -a $OUTFILE_TBENCH.result + + grep "Tbench-$1-#" $OUTFILE_TBENCH.result | grep "avg des perf:" | awk '{print $NF}' > $OUTFILE_TBENCH-des-perf-$1.log + avg_des_perf=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-des-perf-$1.log) + printf "Tbench-$1 avg des perf: $avg_des_perf\n" | tee -a $OUTFILE_TBENCH.result + + grep "Tbench-$1-#" $OUTFILE_TBENCH.result | grep "avg freq:" | awk '{print $NF}' > $OUTFILE_TBENCH-freq-$1.log + avg_freq=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-freq-$1.log) + printf "Tbench-$1 avg freq: $avg_freq\n" | tee -a $OUTFILE_TBENCH.result + + grep "Tbench-$1-#" $OUTFILE_TBENCH.result | grep "avg load:" | awk '{print $NF}' > $OUTFILE_TBENCH-load-$1.log + avg_load=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-load-$1.log) + printf "Tbench-$1 avg load: $avg_load\n" | tee -a $OUTFILE_TBENCH.result + + grep "Tbench-$1-#" $OUTFILE_TBENCH.result | grep "throughput(MB/s):" | awk '{print $NF}' > $OUTFILE_TBENCH-throughput-$1.log + tp_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-throughput-$1.log) + printf "Tbench-$1 total throughput(MB/s): $tp_sum\n" | tee -a $OUTFILE_TBENCH.result + + avg_tp=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-throughput-$1.log) + printf "Tbench-$1 avg throughput(MB/s): $avg_tp\n" | tee -a $OUTFILE_TBENCH.result + + grep "Tbench-$1-#" $OUTFILE_TBENCH.result | grep "power consumption(J):" | awk '{print $NF}' > $OUTFILE_TBENCH-energy-$1.log + en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-energy-$1.log) + printf "Tbench-$1 total power consumption(J): $en_sum\n" | tee -a $OUTFILE_TBENCH.result + + avg_en=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-energy-$1.log) + printf "Tbench-$1 avg power consumption(J): $avg_en\n" | tee -a $OUTFILE_TBENCH.result + + # Permance is throughput per second, denoted T/t, where T is throught rendered in t seconds. + # It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joules(J), + # and t is time measured in seconds(s). This means that performance per watt becomes + # T/t T/t T + # --- = --- = --- + # P E/t E + # with unit given by MB per joule. + ppw=`echo "scale=4;($TIME_LIMIT-1)*$avg_tp/$avg_en" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 performance per watt(MB/J): $ppw\n" | tee -a $OUTFILE_TBENCH.result + printf "\n" | tee -a $OUTFILE_TBENCH.result + + driver_name=`echo $(scaling_name)` + store_csv_tbench "$driver_name-$1" "Average" $avg_des_perf $avg_freq $avg_load $avg_tp $avg_en $ppw +} + +# $1: base scaling_driver $2: base governor $3: comparative scaling_driver $4: comparative governor +__calc_comp_tbench() +{ + base=`grep "$1-$2" $OUTFILE_TBENCH.csv | grep "Average"` + comp=`grep "$3-$4" $OUTFILE_TBENCH.csv | grep "Average"` + + if [ -n "$base" -a -n "$comp" ]; then + printf "\n==================================================\n" | tee -a $OUTFILE_TBENCH.result + printf "Tbench comparison $1-$2 VS $3-$4" | tee -a $OUTFILE_TBENCH.result + printf "\n==================================================\n" | tee -a $OUTFILE_TBENCH.result + + # get the base values + des_perf_base=`echo "$base" | awk '{print $3}' | sed s/,//` + freq_base=`echo "$base" | awk '{print $4}' | sed s/,//` + load_base=`echo "$base" | awk '{print $5}' | sed s/,//` + perf_base=`echo "$base" | awk '{print $6}' | sed s/,//` + energy_base=`echo "$base" | awk '{print $7}' | sed s/,//` + ppw_base=`echo "$base" | awk '{print $8}' | sed s/,//` + + # get the comparative values + des_perf_comp=`echo "$comp" | awk '{print $3}' | sed s/,//` + freq_comp=`echo "$comp" | awk '{print $4}' | sed s/,//` + load_comp=`echo "$comp" | awk '{print $5}' | sed s/,//` + perf_comp=`echo "$comp" | awk '{print $6}' | sed s/,//` + energy_comp=`echo "$comp" | awk '{print $7}' | sed s/,//` + ppw_comp=`echo "$comp" | awk '{print $8}' | sed s/,//` + + # compare the base and comp values + des_perf_drop=`echo "scale=4;($des_perf_comp-$des_perf_base)*100/$des_perf_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 des perf base: $des_perf_base comprison: $des_perf_comp percent: $des_perf_drop\n" | tee -a $OUTFILE_TBENCH.result + + freq_drop=`echo "scale=4;($freq_comp-$freq_base)*100/$freq_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 freq base: $freq_base comprison: $freq_comp percent: $freq_drop\n" | tee -a $OUTFILE_TBENCH.result + + load_drop=`echo "scale=4;($load_comp-$load_base)*100/$load_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 load base: $load_base comprison: $load_comp percent: $load_drop\n" | tee -a $OUTFILE_TBENCH.result + + perf_drop=`echo "scale=4;($perf_comp-$perf_base)*100/$perf_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 perf base: $perf_base comprison: $perf_comp percent: $perf_drop\n" | tee -a $OUTFILE_TBENCH.result + + energy_drop=`echo "scale=4;($energy_comp-$energy_base)*100/$energy_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 energy base: $energy_base comprison: $energy_comp percent: $energy_drop\n" | tee -a $OUTFILE_TBENCH.result + + ppw_drop=`echo "scale=4;($ppw_comp-$ppw_base)*100/$ppw_base" | bc | awk '{printf "%.4f", $0}'` + printf "Tbench-$1 performance per watt base: $ppw_base comprison: $ppw_comp percent: $ppw_drop\n" | tee -a $OUTFILE_TBENCH.result + printf "\n" | tee -a $OUTFILE_TBENCH.result + + store_csv_tbench "$1-$2 VS $3-$4" "Comprison(%)" "$des_perf_drop" "$freq_drop" "$load_drop" "$perf_drop" "$energy_drop" "$ppw_drop" + fi +} + +# calculate the comparison(%) +calc_comp_tbench() +{ + # acpi-cpufreq-ondemand VS acpi-cpufreq-schedutil + __calc_comp_tbench ${all_scaling_names[0]} ${tbench_governors[0]} ${all_scaling_names[0]} ${tbench_governors[1]} + + # amd-pstate-ondemand VS amd-pstate-schedutil + __calc_comp_tbench ${all_scaling_names[1]} ${tbench_governors[0]} ${all_scaling_names[1]} ${tbench_governors[1]} + + # acpi-cpufreq-ondemand VS amd-pstate-ondemand + __calc_comp_tbench ${all_scaling_names[0]} ${tbench_governors[0]} ${all_scaling_names[1]} ${tbench_governors[0]} + + # acpi-cpufreq-schedutil VS amd-pstate-schedutil + __calc_comp_tbench ${all_scaling_names[0]} ${tbench_governors[1]} ${all_scaling_names[1]} ${tbench_governors[1]} +} + +# $1: file_name, $2: title, $3: ylable, $4: column +plot_png_tbench() +{ + # all_scaling_names[1] all_scaling_names[0] flag + # amd-pstate acpi-cpufreq + # N N 0 + # N Y 1 + # Y N 2 + # Y Y 3 + ret=`grep -c "${all_scaling_names[1]}" $OUTFILE_TBENCH.csv` + if [ $ret -eq 0 ]; then + ret=`grep -c "${all_scaling_names[0]}" $OUTFILE_TBENCH.csv` + if [ $ret -eq 0 ]; then + flag=0 + else + flag=1 + fi + else + ret=`grep -c "${all_scaling_names[0]}" $OUTFILE_TBENCH.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 '/${all_scaling_names[0]}-${tbench_governors[0]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${tbench_governors[0]}", \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${tbench_governors[1]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${tbench_governors[1]}" + } else { + if ($flag == 2) { + plot \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${tbench_governors[0]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${tbench_governors[0]}", \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${tbench_governors[1]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${tbench_governors[1]}" + } else { + if ($flag == 3 ) { + plot \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${tbench_governors[0]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${tbench_governors[0]}", \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[0]}-${tbench_governors[1]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[0]}-${tbench_governors[1]}", \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${tbench_governors[0]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${tbench_governors[0]}", \ + "<(sed -n -e 's/,//g' -e '/${all_scaling_names[1]}-${tbench_governors[1]}/p' $OUTFILE_TBENCH.csv)" using $4:xtic(2) title "${all_scaling_names[1]}-${tbench_governors[1]}" + } + } + } + quit +EOF +} + +amd_pstate_tbench() +{ + printf "\n---------------------------------------------\n" + printf "*** Running tbench ***" + printf "\n---------------------------------------------\n" + + pre_clear_tbench + + get_lines_csv_tbench "Governor" + if [ $? -eq 0 ]; then + # add titles and unit for csv file + store_csv_tbench "Governor" "Round" "Des-perf" "Freq" "Load" "Performance" "Energy" "Performance Per Watt" + store_csv_tbench "Unit" "" "" "GHz" "" "MB/s" "J" "MB/J" + fi + + backup_governor + for governor in ${tbench_governors[*]} ; do + printf "\nSpecified governor is $governor\n\n" + switch_governor $governor + loop_tbench $governor + gather_tbench $governor + done + restore_governor + + plot_png_tbench "tbench_perfromance.png" "Tbench Benchmark Performance" "Performance" 6 + plot_png_tbench "tbench_energy.png" "Tbench Benchmark Energy" "Energy (J)" 7 + plot_png_tbench "tbench_ppw.png" "Tbench Benchmark Performance Per Watt" "Performance Per Watt (MB/J)" 8 + + calc_comp_tbench + + post_clear_tbench +} |