添加 simpleadmin/www/cgi-bin/get_system_stats

add get_system_stats

simpleadmin/www/cgi-bin/get_system_stats

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Send HTTP header for plain text content
+echo "Content-Type: text/plain"
+echo ""
+
+# Read first CPU statistics
+read cpu user nice system idle iowait irq softirq steal guest guest_nice < /proc/stat
+
+# Record first total usage time and idle time
+prev_total=$((user+nice+system+idle+iowait+irq+softirq+steal))
+prev_idle=$idle
+
+# Wait for a short time to capture CPU usage
+sleep 0.5
+
+# Read second CPU statistics
+read cpu user nice system idle iowait irq softirq steal guest guest_nice < /proc/stat
+
+# Calculate second total usage time
+total=$((user+nice+system+idle+iowait+irq+softirq+steal))
+idle=$idle
+
+# Calculate time differences
+total_diff=$((total-prev_total))
+idle_diff=$((idle-prev_idle))
+
+# Calculate CPU usage percentage
+cpu_usage=$(awk -v total_diff="$total_diff" -v idle_diff="$idle_diff" 'BEGIN{printf "%.1f", (total_diff-idle_diff)*100/total_diff}')
+
+# Get memory information
+mem_info=$(free -m | grep "Mem:")
+mem_total=$(echo "$mem_info" | awk '{print $2}')
+mem_used=$(echo "$mem_info" | awk '{print $3}')
+mem_usage=$(awk "BEGIN {printf \"%.1f\", ($mem_used * 100) / $mem_total}")
+
+# Output results
+echo "CPU Usage: $cpu_usage"
+echo "Memory Usage: $mem_usage"
+echo "Memory Total: $((mem_total * 1024 * 1024))"
+echo "Memory Used: $((mem_used * 1024 * 1024))"