mirror of
https://github.com/Foltik/dotfiles
synced 2024-11-24 12:26:05 -05:00
76 lines
2.2 KiB
Plaintext
76 lines
2.2 KiB
Plaintext
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#!/bin/bash
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# First argument is source (mem/swap), second is output value
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# Check /proc/meminfo for possible instances
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INSTANCE="${BLOCK_INSTANCE:-mem;free}"
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SOURCE=$(echo "${INSTANCE}" | awk -F ';' '{print $1}')
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DISPLAY=$(echo "${INSTANCE}" | awk -F ';' '{print $2}')
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if [[ "${SOURCE}" = "mem" ]]; then
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URGENT_VALUE=90
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elif [[ "${SOURCE}" = "swap" ]]; then
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URGENT_VALUE=50
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fi
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if [[ "${DISPLAY}" = "" ]]; then
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DISPLAY="free"
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fi
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ONE_KB=1024
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ONE_MB=$(echo "${ONE_KB}*1024" | bc -l)
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ONE_GB=$(echo "${ONE_MB}*1024" | bc -l)
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ONE_TB=$(echo "${ONE_GB}*1024" | bc -l)
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# Grep the value and remove KB so we can calculate with it later
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#MEMINFO=$(cat /proc/meminfo | grep "${INSTANCE}" | awk -F ':' '{print $2}' | tr -d ' kB')
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MEMORY_INFOS=$(cat /proc/meminfo)
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SOURCE_TOTAL=$(echo "${MEMORY_INFOS}" | grep -i "${SOURCE}total" | awk -F ':' '{print $2}' | tr -d ' kB')
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if [[ "${SOURCE_TOTAL}" -le 0 ]]; then
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exit
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fi
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if [[ "${SOURCE}" = "mem" ]]; then
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SOURCE_FREE_KEY="available"
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elif [[ "${SOURCE}" = "swap" ]]; then
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SOURCE_FREE_KEY="free"
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fi
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SOURCE_FREE=$(echo "${MEMORY_INFOS}" | grep -i "${SOURCE}${SOURCE_FREE_KEY}" | awk -F ':' '{print $2}' | tr -d ' kB')
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SOURCE_USED=$(echo "scale=0; ${SOURCE_TOTAL}-${SOURCE_FREE}" | bc -l)
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SOURCE_PERC=$(echo "scale=0; (${SOURCE_USED}*100)/${SOURCE_TOTAL}" | bc -l)
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if [[ "${DISPLAY}" = "free" ]]; then
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MEMINFO="${SOURCE_FREE}"
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elif [[ "${DISPLAY}" = "used" ]]; then
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MEMINFO="${SOURCE_USED}"
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elif [[ "${DISPLAY}" = "total" ]]; then
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MEMINFO="${SOURCE_TOTAL}"
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elif [[ "${DISPLAY}" = "perc" ]]; then
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MEMINFO="${SOURCE_PERC}%"
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fi
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if [[ "${DISPLAY}" != "perc" ]]; then
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# Convert KB meminfo to bytes
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MEMINFO=$(echo "${MEMINFO}*${ONE_KB}" | bc -l)
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if [[ "${MEMINFO}" -ge "${ONE_TB}" ]]; then
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MEMINFO=$(echo "scale=3;${MEMINFO}/${ONE_TB}" | bc -l)"tb"
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elif [[ "${MEMINFO}" -ge "${ONE_GB}" ]]; then
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MEMINFO=$(echo "scale=2;${MEMINFO}/${ONE_GB}" | bc -l)"gb"
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elif [[ "${MEMINFO}" -ge "${ONE_MB}" ]]; then
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MEMINFO=$(echo "scale=1;${MEMINFO}/${ONE_MB}" | bc -l)"mb"
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else
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MEMINFO=$(echo "scale=0;${MEMINFO}/${ONE_KB}" | bc -l)"kb"
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fi
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fi
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echo "${MEMINFO}"
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echo "${MEMINFO}"
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echo ""
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if [[ "${SOURCE_PERC}" -gt "${URGENT_VALUE}" ]]; then
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exit 33
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fi
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