87 lines
3.2 KiB
Bash
87 lines
3.2 KiB
Bash
#!/bin/bash
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# usage:
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## both quoted and unquoted commands work~
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## measure_performance my_command -with -args
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## measure_performance "my_command -with -args"
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# todo: calculate human readable sizes for mem, r and w
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# todo: batch mode
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## loop through list of commands supplied by a file
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## output da actual log for dis one ig lmao idk
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### log results to a file named after the input file
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### log format csv with titles
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# glooboos
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poll_seconds=5
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logfile=/tmp/sillylog.tmp # can beee a temp fiel
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input="$@" # da command as a string or as args
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duration_microseconds=0
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duration_seconds=0
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test_cmd=""
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start_seconds=$(date +%s)
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# throw a fit if no args supplied
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if [ -z "$1" ]; then
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echo 'USAGE: measure_performance "string_command-with -args"'
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exit 1
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fi
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# maek sure da log fileee DIESASDRGVWERT
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if [ -f "$logfile" ]; then
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rm -f "$logfile"
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fi
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measure_performance () {
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# use microseconds for timing for ONE MILLION DOLLARS more times resolution
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start_unixmicroseconds=$(date +"%s%6N") # get start microseconds fast as possible before run
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# run the command with pidstart (-e)
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eval "pidstat -h -H -d -r -u -I $poll_seconds -e $test_cmd >> \"$logfile\""
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ret=$? # get da return code
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# calculate durations
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end_unixmicroseconds=$(date +"%s%6N") # get dis fast for accuracy
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duration_microseconds=$(($end_unixmicroseconds - $start_unixmicroseconds))
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duration_seconds=$(($duration_microseconds / 1000000)) # seconds = microseconds / 1,000,000
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if [ -z "$1" ]; then
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echo "testing your gay littel command: $test_cmd"
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# parse and show infos
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cat "$logfile" | sed '/^#\|^$\|^Linux/d' | tr -s ' ' ',' | awk -F, '{ cpup += $8; memk += $13; memp += $14; rkbs += $15; wkbs += $15 } END { print "\nCPU:",cpup/NR,"\nMemory Usage (KiB):",memk/NR,"\nMemory Usage %:",memp/NR,"\nKiB Read Per Second:",rkbs/NR,"\nKiB Written Per Second:",wkbs/NR }'
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# nao add da rest
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echo -e "Duration Seconds: $duration_seconds\nDuration Microseconds: $duration_microseconds\nReturn Code: $ret"
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else
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elapsed_seconds=$((`date +%s` - $start_seconds))
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# parse and appand dem 2 da csv
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cat "$logfile" | sed '/^#\|^$\|^Linux/d' | tr -s ' ' ',' | awk -F, "{cpup+= \$8;memk+=\$13;memp +=\$14;rkbs+=\$15;wkbs+=\$16 } END {print \"$position\",\",\",cpup/NR,\",\",memk/NR,\",\",memp/NR,\",\",rkbs/NR,\",\",wkbs/NR,\",\",\"$duration_microseconds\",\",\",\"$test_cmd\",\",\",\"$ret\",\",\",\"$elapsed_seconds\"}" | tr -d ' ' | tee -a "$csv_file"
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fi
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}
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# main
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## if oneshot mode
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if [ ! -f "$input" ]; then
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test_cmd="$@"
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measure_performance
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## if batch mode
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else
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# settans
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results_log=$1.csv # todo: do file ext trickery
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len=$(wc -l "$input" | awk '{print $1}') # num of lines in da fiel
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count=1
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csv_file="${input%.*}.csv"
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if [ -f "$csv_file" ]; then
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rm -f "$csv_file"
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fi
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# add da csv headers to the results fiel
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echo "Position,CPU %,Memory (KiB),Memory %,KiB Read/Second,KiB Written/Second,Duration Microseconds,Command,Return Code,Seconds Elapsed" | tee "$csv_file"
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cat "$input" | \
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while read line; do
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test_cmd="$line"
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position="$count/$len"
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measure_performance batch
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count=$(($count + 1))
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done
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fi |