41 lines
1.3 KiB
Bash
41 lines
1.3 KiB
Bash
#!/bin/sh
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# Send HTTP header for plain text content
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echo "Content-Type: text/plain"
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echo ""
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# Read first CPU statistics
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read cpu user nice system idle iowait irq softirq steal guest guest_nice < /proc/stat
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# Record first total usage time and idle time
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prev_total=$((user+nice+system+idle+iowait+irq+softirq+steal))
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prev_idle=$idle
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# Wait for a short time to capture CPU usage
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sleep 0.5
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# Read second CPU statistics
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read cpu user nice system idle iowait irq softirq steal guest guest_nice < /proc/stat
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# Calculate second total usage time
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total=$((user+nice+system+idle+iowait+irq+softirq+steal))
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idle=$idle
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# Calculate time differences
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total_diff=$((total-prev_total))
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idle_diff=$((idle-prev_idle))
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# Calculate CPU usage percentage
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cpu_usage=$(awk -v total_diff="$total_diff" -v idle_diff="$idle_diff" 'BEGIN{printf "%.1f", (total_diff-idle_diff)*100/total_diff}')
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# Get memory information
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mem_info=$(free -m | grep "Mem:")
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mem_total=$(echo "$mem_info" | awk '{print $2}')
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mem_used=$(echo "$mem_info" | awk '{print $3}')
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mem_usage=$(awk "BEGIN {printf \"%.1f\", ($mem_used * 100) / $mem_total}")
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# Output results
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echo "CPU Usage: $cpu_usage"
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echo "Memory Usage: $mem_usage"
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echo "Memory Total: $((mem_total * 1024 * 1024))"
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echo "Memory Used: $((mem_used * 1024 * 1024))" |