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Fix reporting negative memory usage on MacOS

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Christopher Sardegna 2020-07-23 10:45:49 -04:00 committed by GitHub
parent 60c2017fb0
commit 633ab4776b
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1 changed files with 3 additions and 2 deletions
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5
scripts/ram_info.sh
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@ -1,4 +1,4 @@
#!/usr/bin/env bash 2#!/usr/bin/env bash
get_percent() get_percent()
{ {
@ -18,7 +18,8 @@ get_percent()
Darwin) Darwin)
# percent=$(ps -A -o %mem | awk '{mem += $1} END {print mem}') # percent=$(ps -A -o %mem | awk '{mem += $1} END {print mem}')
used_mem=$(top -l 1 -s 0 | grep PhysMem | sed 's/[a-z]//g; s/[A-Z]//g; s/[()]//g' | awk '{printf "%d\n", $2-$3-$5}') # Get used memory blocks with vm_stat, multiply by 4096 to get size in bytes, then convert to MiB
used_mem=$(vm_stat | grep ' active\|wired ' | sed 's/[^0-9]//g' | paste -sd ' ' - | awk '{printf "%d\n", ($1+$2) * 4096} / 1048576')
total_mem=$(system_profiler SPHardwareDataType | grep "Memory:" | awk '{print $2 $3}') total_mem=$(system_profiler SPHardwareDataType | grep "Memory:" | awk '{print $2 $3}')
if (( $used_mem < 1024 )); then if (( $used_mem < 1024 )); then
echo $used_mem\M\B/$total_mem echo $used_mem\M\B/$total_mem