mem_monitor.sh

#!/bin/bash

TARGET_FILE="/tmp/gdfuse.mem.log"
PROCESS_NAME=${1:-"google-drive-ocamlfuse"}
PID=$(ps -C "$PROCESS_NAME" -o pid=)
PID=${PID## }

if [[ -e "$TARGET_FILE" ]]
then
  rm "$TARGET_FILE"
fi

if [[ -n "$PID" ]]
then
  STATM="/proc/$PID/statm"
  while [[ -e "$STATM" ]]
  do
    TIMESTAMP=$(date +%T)
    STATM_CONTENT=$(cat "$STATM")
    echo "[$TIMESTAMP] $STATM_CONTENT" >> $TARGET_FILE
    sleep 5
  done
else
  echo "Error: Cannot get $PROCESS_NAME PID"
fi