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collect memory information(free command and /proc/meminfo), and output in CSV format.
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#!/usr/bin/bash | |
#--------------------- | |
# Copyright 2017 N.Fujita | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
#--------------------- | |
#NAME: collect memory information(free command and /proc/meminfo), and output in CSV format. | |
#SYNOPSIS: ./collect_mem.sh | |
#DESCRIPTION: | |
# Collect memory information from free command and /proc/meminfo. | |
# And, collected information is outputted to a file in CSV format. | |
# Exit with "Ctrl+c". | |
# *You can modify the collect interval with "INTERAL" variable. | |
#--------------------- | |
LANG=C | |
PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin: | |
export LANG PATH | |
umask 022 | |
LOGFILE_BASE="./meminfo" | |
LOGFILE="${LOGFILE_BASE}.`date '+%Y%m%d%H%M%S'`.csv" | |
INTERVAL=3 | |
# Write header | |
echo -n '"DATE","TIME"' > ${LOGFILE} | |
echo -n ',"free-mem-total(kb)","free-mem-used(kb)","free-mem-free(kb)","free-mem-share(kb)","free-mem-buff/cache(kb)","available(kb)"' >> ${LOGFILE} | |
echo -n ',"free-swap-total(kb)","free-swap-used(kb)","free-swap-free(kb)"' >> ${LOGFILE} | |
awk ' | |
{ | |
printf ",\"%s(%s)\"",$1,$3 | |
} | |
END{ | |
printf "\n" | |
}' /proc/meminfo >> ${LOGFILE} | |
# Measure memory data(meminfo and free command) | |
while true | |
do | |
# Write free command result | |
free | awk ' | |
BEGIN{ | |
printf strftime("%Y/%m/%d, %H:%M:%S") | |
} | |
/^(Mem|Swap)/{ | |
for(i=2; i<= NF; i++){ | |
printf ",%d",$i | |
} | |
} | |
' >> ${LOGFILE} | |
# Write meminfo data | |
awk ' | |
{ | |
printf ",%d",$2 | |
} | |
END{ | |
printf "\n" | |
}' /proc/meminfo >> ${LOGFILE} | |
# Interval | |
sleep ${INTERVAL} | |
done | |
exit 0 |
Hi @Noppy! on line 23 "*You can modify the collect interval with "INTERAL" variable." You mean INTERVAL, correct?
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Add ".csv" extension at the output file name.