89 lines
2.2 KiB
Bash
Executable file
89 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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if [[ -z $OUTPUT_DIR ]] ; then
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source scan-dmidecode
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fi
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cat /proc/meminfo > $OUTPUT_DIR/meminfo
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MEM_RESERVED=256 #MB
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MEM_AVAILABLE=`cat /proc/meminfo \
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| grep '^MemAvailable' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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#echo "MEM_AVAILABLE: $MEM_AVAILABLE"
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#MEM_AVAILABLE=
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if [[ -z $MEM_AVAILABLE ]] ; then
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MEM_FREE=`cat /proc/meminfo \
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| grep '^MemFree:' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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MEM_BUFF=`cat /proc/meminfo \
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| grep '^Buffers:' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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MEM_RECL=`cat /proc/meminfo \
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| grep '^SReclaimable:' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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MEM_SHM=`cat /proc/meminfo \
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| grep '^Shmem:' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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MEM_CACH=`cat /proc/meminfo \
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| grep '^Cached:' \
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| grep 'kB' \
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| cut -d ':' -f 2 \
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| sed 's/[^0-9]\+//g'`
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if [[ -z $MEM_FREE ]] ; then
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echo "Error: Could not parse /proc/meminfo for MemFree" >&2
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exit 4
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fi
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if [[ -z $MEM_BUFF ]] ; then
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echo "Error: Could not parse /proc/meminfo for Buffers" >&2
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exit 5
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fi
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if [[ -z $MEM_RECL ]] ; then
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echo "Could not parse /proc/meminfo for SReclaimable" >&2
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MEM_RECL=0
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fi
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if [[ -z $MEM_SHM ]] ; then
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echo "Could not parse /proc/meminfo for Shmem" >&2
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MEM_SHM=0
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fi
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if [[ -z $MEM_CACH ]] ; then
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echo "Error: Could not parse /proc/meminfo for Cached" >&2
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exit 6
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fi
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echo "MEM_FREE: $MEM_FREE"
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echo "MEM_BUFF: $MEM_BUFF"
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echo "MEM_RECL: $MEM_RECL"
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echo "MEM_SHM: $MEM_SHM"
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echo "MEM_CACH: $MEM_CACH"
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# MEM_AVAILABLE=$(( MEM_FREE + MEM_BUFF + MEM_CACH ))
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# echo "MEM_AVAILABLE: $MEM_AVAILABLE"
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MEM_AVAILABLE=$(( MEM_FREE + MEM_RECL - MEM_SHM + MEM_CACH ))
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# echo "MEM_AVAILABLE: $MEM_AVAILABLE"
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fi
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echo "MEM_AVAILABLE: $MEM_AVAILABLE"
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if [[ -z $MEM_AVAILABLE ]] ; then
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echo "Error: Could not parse /proc/meminfo for available memory" >&2
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exit 2
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fi
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MEM_TESTABLE=$(( MEM_AVAILABLE - (MEM_RESERVED * 1024) ))
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if (( $MEM_TESTABLE < 1024 )) ; then
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echo "Testable memory $MEM_TESTABLE lower than 1 MB. Exiting" >&2
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exit 3
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fi
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export MEM_TESTABLE
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echo "$MEM_AVAILABLE kB available in system"
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echo "$MEM_TESTABLE kB usable for memtester"
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