46 lines
1.3 KiB
Bash
Executable file
46 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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get_percent()
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{
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case $(uname -s) in
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Linux)
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# percent=$(free -m | awk 'NR==2{printf "%.1f%%\n", $3*100/$2}')
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used_mem=$(free -g | grep Mem: | awk '{mem += $3} END {print mem}')
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total_mem=$(free -h | grep Mem: | awk '{mem += $2} END {print mem}')
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if (( $used_mem == 0 )); then
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memory_usage=$(free -m | grep Mem: | awk '{mem += $3} END {print mem}')
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echo $memory_usage\M\B/$total_mem\G\B
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else
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memory_usage=$(free -g | grep Mem: | awk '{mem += $3} END {print mem}')
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echo $memory_usage\G\B/$total_mem\G\B
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fi
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;;
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Darwin)
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# percent=$(ps -A -o %mem | awk '{mem += $1} END {print mem}')
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# Get used memory blocks with vm_stat, multiply by 4096 to get size in bytes, then convert to MiB
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used_mem=$(vm_stat | grep ' active\|wired ' | sed 's/[^0-9]//g' | paste -sd ' ' - | awk '{printf "%d\n", ($1+$2) * 4096 / 1048576}')
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total_mem=$(system_profiler SPHardwareDataType | grep "Memory:" | awk '{print $2 $3}')
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if (( $used_mem < 1024 )); then
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echo $used_mem\M\B/$total_mem
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else
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memory=$(($used_mem/1024))
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echo $memory\G\B/$total_mem
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fi
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;;
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CYGWIN*|MINGW32*|MSYS*|MINGW*)
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# TODO - windows compatability
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;;
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esac
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}
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main()
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{
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ram_percent=$(get_percent)
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echo "RAM $ram_percent"
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sleep 10
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}
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#run main driver
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main
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