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https://github.com/fleetdm/fleet
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33 lines
784 B
Bash
33 lines
784 B
Bash
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#!/bin/bash
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DB_DIR=$1
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# Generate gnuplot commands to render CPU and memory data points
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# from a cpu_and_mem.dat file under $DB_DIR.
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cat <<EOF > gnuplot_commands.txt
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set xdata time
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set timefmt "%H:%M:%S"
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set format x "%H:%M"
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set xtics rotate by -45
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set terminal jpeg
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set ylabel '% CPU'
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set yrange [0:800]
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set ytics nomirror
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set y2label 'Memory (MB)'
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set y2range [0:5000]
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set y2tics 0, 500
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set output '$DB_DIR/cpu_and_mem.jpg'
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plot '$DB_DIR/cpu_and_mem.dat' using 1:2 axis x1y1 with linespoints linetype -1 linecolor rgb 'blue' linewidth 1 title '% CPU', \
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'$DB_DIR/cpu_and_mem.dat' using 1:3 axis x1y2 with linespoints linetype -1 linecolor rgb 'red' linewidth 1 title 'Memory (MB)'
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EOF
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gnuplot < gnuplot_commands.txt
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rm gnuplot_commands.txt
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open $DB_DIR/cpu_and_mem.jpg
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