更新监控系统资源脚本

moniter.sh

@@ -1,7 +1,84 @@
 #!/bin/bash
-while true; do
+
+# 设置颜色变量
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# 获取CPU核心数
+CPU_CORES=$(nproc)
+
+# 清屏并显示标题
+header() {
     clear
-    echo "CPU 使用率: $(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}')%"
+    echo -e "${BLUE}=============================================${NC}"
-    echo "内存使用率: $(free -m | awk 'NR==2{printf "%.2f%%\n", $3 * 100/$2 }')"
+    echo -e "${BLUE}    Ubuntu 系统资源监控 (CPU & 内存)         ${NC}"
-    sleep 1
+    echo -e "${BLUE}=============================================${NC}"
+    echo -e "CPU 核心数: ${CPU_CORES}   刷新间隔: 5秒"
+    echo -e "${BLUE}---------------------------------------------${NC}"
+}
+
+# 获取CPU使用率
+get_cpu_usage() {
+    # 获取总体CPU使用率
+    CPU_USAGE=$(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}')
+    
+    # 获取每个核心的使用率
+    CORE_USAGE=$(mpstat -P ALL 1 1 | awk '/Average:/ && $2 ~ /[0-9]/ {print "Core "$2": "$3"%"}')
+    
+    # 获取负载平均值
+    LOAD_AVG=$(uptime | awk -F 'load average: ' '{print $2}')
+}
+
+# 获取内存使用情况
+get_mem_usage() {
+    # 获取内存使用率
+    MEM_USAGE=$(free -m | awk 'NR==2{printf "%.2f%%\n", $3 * 100/$2 }')
+    
+    # 获取详细内存信息
+    MEM_TOTAL=$(free -m | awk 'NR==2{print $2 "MB"}')
+    MEM_USED=$(free -m | awk 'NR==2{print $3 "MB"}')
+    MEM_FREE=$(free -m | awk 'NR==2{print $4 "MB"}')
+    
+    # 获取交换空间信息
+    SWAP_TOTAL=$(free -m | awk 'NR==3{print $2 "MB"}')
+    SWAP_USED=$(free -m | awk 'NR==3{print $3 "MB"}')
+}
+
+# 显示CPU信息
+show_cpu_info() {
+    echo -e "${GREEN}CPU 使用率: ${RED}${CPU_USAGE}%${NC}"
+    echo -e "${GREEN}系统负载: ${YELLOW}${LOAD_AVG}${NC}"
+    echo -e "${GREEN}各核心使用率:${NC}"
+    echo -e "${CORE_USAGE}"
+}
+
+# 显示内存信息
+show_mem_info() {
+    echo -e "${GREEN}内存使用率: ${RED}${MEM_USAGE}${NC}"
+    echo -e "${GREEN}内存总量: ${YELLOW}${MEM_TOTAL}${NC}  ${GREEN}已用: ${RED}${MEM_USED}${NC}  ${GREEN}空闲: ${YELLOW}${MEM_FREE}${NC}"
+    echo -e "${GREEN}交换空间: ${YELLOW}${SWAP_TOTAL}${NC}  ${GREEN}已用: ${RED}${SWAP_USED}${NC}"
+}
+
+# 显示进程信息
+show_process_info() {
+    echo -e "${BLUE}---------------------------------------------${NC}"
+    echo -e "${GREEN}占用CPU最多的进程:${NC}"
+    ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head -n 6
+    echo -e "${BLUE}---------------------------------------------${NC}"
+    echo -e "${GREEN}占用内存最多的进程:${NC}"
+    ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem | head -n 6
+}
+
+# 主循环
+while true; do
+    header
+    get_cpu_usage
+    get_mem_usage
+    show_cpu_info
+    show_mem_info
+    show_process_info
+    sleep 5
 done