脚本内容
以下是一个包含依赖项说明和安装步骤的脚本：
#!/bin/bash# 创建日志文件
LOG_FILE="performance_test.log"
echo "System Performance Test Log" > $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
echo "Date: $(date)" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE# 系统信息
echo "System Information:" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
uname -a >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE# 检查并安装必要的工具
echo "Checking and installing necessary tools..." >> $LOG_FILE
sudo apt update >> $LOG_FILE 2>&1
sudo apt install -y sysbench >> $LOG_FILE 2>&1# CPU 性能测试
echo "CPU Performance Test:" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
echo "Running sysbench CPU test..." >> $LOG_FILE
sysbench cpu --cpu-max-prime=20000 run >> $LOG_FILE 2>&1
echo "-----------------------------------" >> $LOG_FILE# 内存使用情况
echo "Memory Usage:" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
free -h >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE# 磁盘 I/O 测试
echo "Disk I/O Test:" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
echo "Running dd disk write test..." >> $LOG_FILE
dd if=/dev/zero of=/tmp/output bs=8k count=10k oflag=dsync 2>> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE# 系统负载
echo "System Load:" >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILE
uptime >> $LOG_FILE
echo "-----------------------------------" >> $LOG_FILEecho "Performance test completed. Results saved to $LOG_FILE"
依赖项说明
此脚本需要以下依赖项：
sysbench：用于 CPU 性能测试。coreutils：包含free和dd命令，用于内存和磁盘 I/O 测试。procps：包含uptime命令，用于查看系统负载。
安装依赖项
在运行脚本之前，请确保安装了所有必要的依赖项。你可以通过以下命令安装这些依赖项：
sudo apt update
sudo apt install -y sysbench coreutils procps
使用方法
-
保存脚本：
将上述脚本内容保存为一个文件，例如performance_test.sh。 -
赋予脚本执行权限：
chmod +x performance_test.sh -
安装依赖项：
sudo apt update sudo apt install -y sysbench coreutils procps -
运行脚本：
./performance_test.sh -
查看日志文件：
脚本运行完成后，查看日志文件的内容：cat performance_test.log
示例输出
运行脚本后，日志文件的内容可能如下所示：
System Performance Test Log
-----------------------------------
Date: 2025年 11月 10日 星期一 14:40:56 CST
-----------------------------------
System Information:
-----------------------------------
Linux raspberrypi 6.12.47+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.12.47-1+rpt1 (2025-09-16) aarch64 GNU/Linux
-----------------------------------
Checking and installing necessary tools...
-----------------------------------
...
-----------------------------------
CPU Performance Test:
-----------------------------------
Running sysbench CPU test...
sysbench 1.0.20 (using system LuaJIT 2.1.1723681758)Running the test with following options:
Number of threads: 1
Initializing random number generator from current timePrime numbers limit: 20000Initializing worker threads...Threads started!CPU speed:events per second: 119.70General statistics:total time: 10.0070stotal number of events: 1199Latency (ms):min: 8.31avg: 8.34max: 10.9695th percentile: 8.43sum: 10002.75Threads fairness:events (avg/stddev): 1199.0000/0.00execution time (avg/stddev): 10.0028/0.00-----------------------------------
Memory Usage:
-----------------------------------total used free shared buff/cache available
内存： 906Mi 270Mi 279Mi 84Mi 498Mi 635Mi
交换： 905Mi 0B 905Mi
-----------------------------------
Disk I/O Test:
-----------------------------------
Running dd disk write test...
输入了 10240+0 块记录
输出了 10240+0 块记录
83886080 字节 (84 MB, 80 MiB) 已复制，0.300482 s，279 MB/s
-----------------------------------
System Load:
-----------------------------------14:41:06 up 9 min, 3 users, load average: 0.79, 0.35, 0.19
-----------------------------------