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X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/4/22 09:27, Limonciello, Mario wrote: > On 8/4/2022 00:44, Meng Li wrote: >> 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 >> --- >>   tools/testing/selftests/amd-pstate/Makefile  |  10 +- >>   tools/testing/selftests/amd-pstate/run.sh    | 217 ++++++++++- >>   tools/testing/selftests/amd-pstate/tbench.sh | 358 +++++++++++++++++++ >>   3 files changed, 576 insertions(+), 9 deletions(-) >>   create mode 100755 tools/testing/selftests/amd-pstate/tbench.sh >> >> 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 dfacbec063c0..aa264e96a6e6 100755 >> --- a/tools/testing/selftests/amd-pstate/run.sh >> +++ b/tools/testing/selftests/amd-pstate/run.sh >> @@ -9,6 +9,7 @@ else >>   fi >>     source basic.sh >> +source tbench.sh >>     # amd-pstate-ut only run on x86/x86_64 AMD systems. >>   ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/') >> @@ -16,9 +17,107 @@ VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}') >>     FUNC=all >>   OUTFILE=selftest >> +OUTFILE_TBENCH="$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 >> +} >> + >> +# $1: policy >> +backup_governor() >> +{ >> +    local cur_gov=$(find_current_governor $1) >> + >> +    printf "Governor backup done for $1: $cur_gov\n" >> +    echo "$1 $cur_gov" >> $OUTFILE.backup_governor.log >> +} >> + >> +restore_governor() >> +{ >> +    i=0; >> + >> +    policies=$(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 >> +        _switch_governor $policy $governor >> +        printf "Governor restored for $policy to $governor\n" >> +    done >> +} >> + >> +# $1: policy, $2: governor >> +_switch_governor() >> +{ >> +    echo $2 > $CPUFREQROOT/$1/scaling_governor >> +} >> + >> +for_each_policy() >> +{ >> +    policies=$(ls $CPUFREQROOT| grep "policy[0-9].*") >> +    for policy in $policies; do >> +        $@ $policy >> +    done >> +} >> + >> +# $1: governor, $2: policy >> +switch_governor() >> +{ >> +    local filepath=$CPUFREQROOT/$2/scaling_available_governors >> + >> +    # Exit if cpu isn't managed by cpufreq core >> +    if [ ! -f $filepath ]; then >> +        return; >> +    fi >> + >> +    # switch governor >> +    _switch_governor $2 $1 >> + >> +    printf "Switched governor for $2 to $1\n" >> +} >>     # All amd-pstate tests >>   amd_pstate_all() >> @@ -27,8 +126,19 @@ amd_pstate_all() >>       printf "***** Running AMD P-state Sanity Tests  *****\n" >>       printf "=============================================\n\n" >>   +    count=$(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 >>   } >>     helpme() >> @@ -37,21 +147,27 @@ helpme() >>       [-h ] >>       [-o ] >>       [-c > -         basic: Basic testing.>] >> +         basic: Basic testing, >> +         tbench: Tbench testing.>] >> +    [-t ] >> +    [-p ] >> +    [-l ] >> +    [-i ] >> +    [-m ] >>       \n" >>       exit 2 >>   } >>     parse_arguments() >>   { >> -    while getopts ho:c: arg >> +    while getopts ho:c:t:p:l:i:m: arg >>       do >>           case $arg in >>               h) # --help >>                   helpme >>                   ;; >>   -            c) # --func_type (Function to perform: basic (default: all)) >> +            c) # --func_type (Function to perform: basic, tbench (default: all)) >>                   FUNC=$OPTARG >>                   ;; >>   @@ -59,6 +175,26 @@ 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 >> +                ;; >> + >>               *) >>                   helpme >>                   ;; >> @@ -80,10 +216,28 @@ 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 # 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 # 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 or gitsource." >> +                echo "$0 # Current comparative test is for $FUNC." >> +                exit $ksft_skip >> +                ;; >> +        esac >>       fi >>         msg="Skip all tests:" >> @@ -91,10 +245,44 @@ prerequisite() >>           echo $msg please run this as root >&2 >>           exit $ksft_skip >>       fi >> + >> +    if [ ! -f perf ] ; then >> +        echo $msg please build perf under directory tools/perf and copy it to directory amd-pstate. >&2 >> +        exit $ksft_skip >> +    fi >> + >> +    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 >> @@ -104,6 +292,10 @@ do_test() >>               amd_pstate_basic >>               ;; >>   +        "tbench") >> +            amd_pstate_tbench >> +            ;; >> + >>           *) >>               echo "Invalid [-f] function type" >>               helpme >> @@ -116,7 +308,15 @@ 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 >>               ;; >>             *) >> @@ -127,6 +327,7 @@ 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..161b78fc12d7 >> --- /dev/null >> +++ b/tools/testing/selftests/amd-pstate/tbench.sh >> @@ -0,0 +1,358 @@ >> +#!/bin/sh >> +# SPDX-License-Identifier: GPL-2.0 >> + >> +# Testing and monitor the cpu frequency and performance when >> +# this script trigger tbench test. >> + >> +# protect against multiple inclusion >> +if [ $FILE_TBENCH ]; then >> +    return 0 >> +else >> +    FILE_TBENCH=DONE >> +fi >> + >> +tbench_name="dbench-4.0" >> +tbench_tar="$tbench_name.tar.gz" >> +tbench_url="https://ftp.samba.org/pub/pub/tridge/dbench/dbench-4.0.tar.gz" > > Since you already store tbench_name and tbench_tar, perhaps you should just encode them into tbench_url rather than hardcoding again. > >> +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 >> + >> +} >> + >> +install_tbench() >> +{ >> +    if [ ! -d $tbench_name ]; then > > tbench is also available in the repositories for common major distros. > What about before falling to downloading and compiling it you first try to grab package from apt/yum? > > Something similar to this: > > if apt policy tbench 2>&1 1>/dev/null; >     sudo apt install tbench > elif yum list available | grep tbench 2>&1 1>/dev/null; >     sudo yum install tbench > else >     #do existing/install with wget/curl. > fi > It may be worth adding a check to see if tbench (and the perf tools) are already installed. -Nathan >> +        printf "Download tbench, please wait a moment ...\n\n" >> +        wget -O $tbench_tar $tbench_url > /dev/null 2>&1 >> + >> +        printf "Tar tbench ...\n\n" >> +        tar -xzf $tbench_tar >> + >> +        printf "Compile and install tbench ...\n\n" >> +        cd $tbench_name >> +        ./autogen.sh >> +        ./configure > /dev/null 2>&1 >> +        make > /dev/null 2>&1 >> +        make install > /dev/null 2>&1 >> +        cd .. >> +    fi >> +} >> + >> +# $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" >> +    cd $tbench_name >> +    ./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 >> +    cd .. >> + >> +    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 >> + >> +    install_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 >> + >> +    for_each_policy backup_governor >> +    for governor in ${tbench_governors[*]} ; do >> +        printf "\nSpecified governor is $governor\n\n" >> +        for_each_policy 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 >> +} >