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Commit ba2d788a authored by Meng Li's avatar Meng Li Committed by Shuah Khan
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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: default avatarMeng Li <li.meng@amd.com>
Acked-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
parent e5df3268
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Showing with 583 additions and 11 deletions
tools/testing/selftests/amd-pstate/Makefile
View file @ ba2d788a
......@@ -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
tools/testing/selftests/amd-pstate/run.sh
View file @ ba2d788a
......@@ -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 "$0 # Please set X86_AMD_PSTATE enabled."
if [ "$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
......
tools/testing/selftests/amd-pstate/tbench.sh 0 → 100755
View file @ ba2d788a
#!/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
}
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