mirror of
https://github.com/tomasriveral/nixos.git
synced 2026-08-12 02:28:37 +02:00
81 lines
1.9 KiB
Nix
81 lines
1.9 KiB
Nix
{
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writeShellApplication,
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ripgrep,
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gawkInteractive,
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iproute2,
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coreutils,
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procps,
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upower,
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...
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}:
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writeShellApplication {
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name = "QS-sysinfo";
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runtimeInputs = [
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ripgrep
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gawkInteractive
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iproute2
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coreutils
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procps
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upower
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];
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text = ''
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# Pad CPU, MEM, DISK to 2 chars (right-aligned)
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cpu=$(awk '/^cpu /{printf("%.0f", ($2+$4)*100/($2+$4+$5))}' /proc/stat)
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cpu=$(printf "%2s" "$cpu")
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sum=0
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count=0
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for f in /sys/class/hwmon/hwmon*/temp*_input; do
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if [ -r "$f" ]; then
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val=$(cat "$f" 2>/dev/null) || continue
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sum=$((sum + val))
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count=$((count + 1))
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fi
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done
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temp=$(( sum / count / 1000 ))
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sum=0
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count=0
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for f in /sys/class/hwmon/hwmon*/fan*_input; do
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if [ -r "$f" ]; then
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val=$(cat "$f" 2>/dev/null) || continue
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sum=$((sum + val))
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count=$((count + 1))
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fi
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done
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fan=$(( sum / count ))
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fan=$(printf "%4s" "$fan")
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mem=$(free | awk '/Mem:/ {printf("%.0f",$3/$2*100)}')
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mem=$(printf "%2s" "$mem")
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disk=$(df / | awk 'NR==2 {gsub("%",""); print $5}')
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disk=$(printf "%2s" "$disk")
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# Pad POWER to 5 chars (XX.XX)
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power=$(upower -b | awk -F: '/energy-rate/ {gsub(/^[ \t]+/, "", $2); split($2,a," "); printf("%.2f", a[1])}')
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power=$(printf "%5s" "$power")
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# network calculations
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iface=$(ip route get 1.1.1.1 | awk '{print $5; exit}')
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rx1=$(cat "/sys/class/net/$iface/statistics/rx_bytes")
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tx1=$(cat "/sys/class/net/$iface/statistics/tx_bytes")
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sleep 1
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rx2=$(cat "/sys/class/net/$iface/statistics/rx_bytes")
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tx2=$(cat "/sys/class/net/$iface/statistics/tx_bytes")
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down_speed=$(( (rx2 - rx1) / 1024 ))
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up_speed=$(( (tx2 - tx1) / 1024 ))
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# Output JSON
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echo "{\"cpu\":\"$cpu\",\"temp\":\"$temp\",\"fan\":\"$fan\",\"mem\":\"$mem\",\"disk\":\"$disk\",\"power\":\"$power\",\"down\":\"$down_speed\",\"up\":\"$up_speed\"}"
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'';
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}
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