jprofiler9.2入门教程

JProfiler9入门教程

JProfiler简介 .............................................................................................................................................................. 2 JProfiler安装及配置 .................................................................................................................................................. 2

window下安装及配置 ....................................................................................................................................... 2 Linux下安装及配置 ........................................................................................................................................ 15 JProfiler监控方式介绍 ............................................................................................................................................ 17

1.等待模式 ....................................................................................................................................................... 17 2.非等待模式 ................................................................................................................................................... 17 3.离线模式 ....................................................................................................................................................... 17 创建监视本地Tomcat的工程（等待模式） ......................................................................................................... 18 创建监视远程Tomcat的工程（等待模式） ......................................................................................................... 24 创建监视远程Tomcat的工程（非等待模式） ..................................................................................................... 24 创建监视远程Java程序的工程 ............................................................................................................................. 25 Jprofiler分析视图简介 ............................................................................................................................................ 26

遥测（Telemetries） ........................................................................................................................................ 26 实时内存视图（Live memory） ..................................................................................................................... 27 堆遍历视图(Heap walker)................................................................................................................................ 28 CPU视图(CPU views) ..................................................................................................................................... 30 线程视图(Threads) ........................................................................................................................................... 30 锁视图(Monitor＆locks) .................................................................................................................................. 31 数据库快照对比(Databases) ............................................................................................................................ 31 Java探针(JEE&Probes) ................................................................................................................................... 31 Mbeans .............................................................................................................................................................. 31 案例分析 .................................................................................................................................................................. 32

内存泄漏查找 .................................................................................................................................................. 36 线程阻塞 .......................................................................................................................................................... 43 查看占用CPU较多的方法 ............................................................................................................................. 44 检测sql语句的执行效率 ................................................................................................................................ 44 帮助手册 .................................................................................................................................................................. 45

JProfiler简介

JProfiler 是一个非常优秀的的 JVM 性能分析工具，可监视本地和远程的 JVM，适用于各种操作系统。 常用的功能有：

1、 监视堆内存占用情况和创建对象实例的数量，找出内存泄露的根源。 2、 监视占用 CPU 较多的方法 3、 监视线程的阻塞与死锁 4、 监视 GC 的耗时。

JProfiler安装及配置

window下安装及配置

安装：

1) 从官网下载JProfiler安装包 jprofiler_windows-x64_9_2.exe 2) 双击运行

3) 选择“Customize installation” Next 4) 选择 “I accept the agreement” Next 5) 点击browser选择安装目录 Next 6) 选择“Window x86 32 and 64 bit” Next

7) 一路默认 Next 直到出现“License information”弹框，选择 Yes 选项 Next

8) 选择 Enter license key >Single or evaluation license (Name、Company随便写License key 输入以下任一注册码) Next

L-Larry_Lau@163.com#23874-hrwpdp1sh1wrn#0620

L-Larry_Lau@163.com#36573-fdkscp15axjj6#25257 L-Larry_Lau@163.com#5481-ucjn4a16rvd98#6038 L-Larry_Lau@163.com#99016-hli5ay1ylizjj#27215 L-Larry_Lau@163.com#40775-3wle0g1uin5c1#0674

9)IDE Integration 非必选项，根据需要选择。若监控属于非等待模式，可以忽略不选 Next

10)一路默认Next 直到完成安装

初始化配置：

1）安装后直接运行或者双击运行 Jprofiler

2）出现配置导向（快捷键 shift+F1）选择“Profile an application server,locally or remotely”

3）Choose wizard 选择需要监控的应用服务器，本实例选择tomcat6.x

4）Local or remote 选择Jprofiler应用监控本地还是远程服务器，若为远程，则远程主机也需 要安装和客户端相同版本的Jprofiler 本实例选择监控远程Linux服务器，配置如下图