Starts a process and log it's memory use while it's running.

measure-memory.sh

#!/bin/bash

# Measure the memory usage of process with PID

# Execute whatever's given on the command-line
$* > /dev/null &

sleep 1

# Monitor it
PID=$!
FILENAME=${1}_${PID}_`date --iso`.txt
ITERATION=1
STATUS_FILE=/proc/${PID}/status

if [[ -e $STATUS_FILE ]]; then
	echo RUNNING!
	echo -n > $FILENAME
fi

while [[ -e $STATUS_FILE ]]; do
	VmSize=`awk '/VmSize/ {print $2}' $STATUS_FILE` 

	echo $ITERATION $VmSize >> $FILENAME
	echo -n .

	let ITERATION++
	sleep 10
done

kill -9 $PID