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monitor memory and cpu usage of a single process
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PID=$1 | |
echo "Monitoring CPU usage of process with PID ${PID}" | |
ps -ef | grep $PID | |
OUTPUT_FOLDER=~/.process_stats | |
mkdir -p ${OUTPUT_FOLDER} | |
MEM_STATS=${OUTPUT_FOLDER}/mem_${PID}.txt | |
CPU_STATS=${OUTPUT_FOLDER}/cpu_${PID}.txt | |
echo "" > $MEM_STATS | |
echo "" > $CPU_STATS | |
echo "CPU stats will be stored in ${CPU_STATS}" | |
echo "Memory stats will be stored in ${MEM_STATS}" | |
keep_running="yes" | |
trap 'keep_running="no"' 2 | |
while [ ${keep_running} == "yes" ]; do | |
ps -p ${PID} -o %cpu= >> ${CPU_STATS}; | |
# percentage memory: | |
# ps -p ${PID} -o %mem= >> ${MEM_STATS}; | |
ps -p ${PID} -o rss= >> ${MEM_STATS}; | |
sleep 1 | |
done | |
echo "Done monitoring CPU usage of process with PID ${PID}" | |
MEM_PNG=${OUTPUT_FOLDER}/procplot.mem.${PID}.png | |
CPU_PNG=${OUTPUT_FOLDER}/procplot.cpu.${PID}.png | |
# Plot | |
gnuplot<<<"set term png; set output \"${MEM_PNG}\" ; plot \"${MEM_STATS}\" with boxes" | |
gnuplot<<<"set term png; set output \"${CPU_PNG}\" ; plot \"${CPU_STATS}\" with boxes" | |
open ${CPU_PNG} ${MEM_PNG} |
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