How can I measure the actual memory usage of an application or process?

Question

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How do you measure the memory usage of an application or process in Linux?

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Answer 1

Note: this works 100% well only when memory consumption increases

If you want to monitor memory usage by given process (or group of processed sharing common name, e.g. google-chrome, you can use my bash-script:

while true; do ps aux | awk ‚{print $5, $11}’ | grep chrome | sort -n > /tmp/a.txt; sleep 1; diff /tmp/{b,a}.txt; mv /tmp/{a,b}.txt; done;

this will continuously look for changes and print them.