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JProfiler (产品编号：10743)

JProfiler是唯一一款获过奖的Java剖析器，被誉为“最好的Java剖析/测试工具”

标签：Java 测试优化

开发商： ej-technologies

当前版本： v10.0.4

产品类型：软件

产品功能：测试分析/

平台语言：AV

开源水平：不提供源码

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关于本产品的分类与介绍仅供参考，具体以商家网站介绍为准。

JProfiler——最好的Java剖析/测试工具

JDJ（Java Developer's Journal）杂志在Java开发界长期以来享有盛誉，是Java界每月主要信息与深入评论的源头。它每年一度的读者选择奖也有较大的权威性，被誉为软件行业的奥斯卡奖

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工作模式

本地会话实时分析模式

Profiler能够根据用户定义的启动方式进行设置。用户即刻便能从设置好的JVM中看到实时数据。用户还可以无需自定义，直接从多个IDE插件中选择进行配置。

远程会话实时分析模式

通过Java开始命令行的方式修改VM参数，用户可使用JProfiler GUI的连接监听Java应用程序。该设置程序不但可以在本地计算机上运行，还可以在网络中作为某个设置程序的附加程序使用。JProfiler的帮助文件，可以帮助用户安装和设置应用程序服务器。

离线分析模式

用户无需通过JProfiler GUI连接应用程序即可对之进行设置。在离线设置模式下，用户可以使用Profiler触发系统或者JProfiler' API控制代理设置，然后保存快照。随后用户便可使用命令行导出工具或者蚂蚁任务导出工具，在JProfiler GUI或导出视图设置中打开这些快照。

快照比较

在JProfiler中，用户可以将当前的所有设置数据保存到快照中。JProfiler提供了丰富的比较功能以对比两个或者多个快照之间的差别。用户可使用编程的命令行比较工具或ant task比较工具创建对比报告。

内存分析

JProfiler动态更新视图和信息视图中可显示内存使用情况。所有的视图都有几个聚集层并且能够显示现存对象和作为垃圾回收的对象。

所有对象
显示类或在状况统计和尺码信息堆上所有对象的包。你可以标记当前值并显示差异值。
记录对象
显示类或所有已记录对象的包。你可以标记出当前值并且显示差异值。
分配访问树
显示一棵请求树或者方法、类、包或对已选择类有带注释的分配信息的J2EE组件。
分配热点
显示一个列表，包括方法、类、包或分配已选类的J2EE组件。你可以标注当前值并且显示差异值。对于每个热点都可以显示它的跟踪记录树。

堆遍历

在JProfiler的堆遍历器(Heap walker)中，你可以对堆的状况进行快照并且可以寻找感兴趣的对象。堆遍历器有五个视图：

类 Classes
显示所有类和它们的实例。
分配
为所有记录对象显示分配树和分配热点。
索引
为单个对象和“显示到垃圾回收根目录的路径”提供索引图的显示功能。还能提供合并输入视图和输出视图的功能。
数据
为单个对象显示实例和类数据。
时间
显示一个对已记录对象的解决时间的柱状图。

CPU 剖析

JProfiler 提供不同的方法来记录访问树以优化性能和细节。线程或者线程组以及线程状况可以被所有的视图选择。所有的视图都可以聚集到方法、类、包或J2EE组件等不同层上。CPU视图部分包括：

访问树
显示一个积累的自顶向下的树,树中包含所有在JVM中已记录的访问队列。JDBC,JMS和JNDI服务请求都被注释在请求树中。请求树可以根据Servlet和JSP对URL的不同需要进行拆分。
热点
显示消耗时间最多的方法的列表。对每个热点都能够显示回溯树。该热点可以按照方法请求，JDBC，JMS和JNDI服务请求以及按照URL请求来进行计算。
访问图
显示一个从已选方法、类、包或J2EE组件开始的访问队列的图。

线程剖析

对线程剖析，JProfiler提供以下视图:

线程历史
显示一个与线程活动和线程状态在一起的活动时间表.
线程监控
显示一个列表，包括所有的活动线程以及它们目前的活动状况。
固定探测图表
显示一个包含了所有在JVM里的固定的图表。、
目前使用的监测器
显示目前使用的监测器并且包括它们的关联线程。
历史检测记录
显示重大的等待事件和阻塞事件的历史记录。
监测使用状态
显示分组监测，线程和监测类的统计监测数据。

VM 遥感勘测技术

观察JVM的内部状态，JProfiler提供了不同的遥感勘测视图，如下所示:

堆
显示一个堆的使用状况和堆尺寸大小活动时间表。
对象
显示一张关于活动对象与数组的图表的活动时间表。
垃圾收集器
显示一张关于垃圾回收活动的活动时间表。
类
显示一个与已装载类的图表的活动时间表。
线程
显示一个与动态线程图表的活动时间表。

JProfiler支持平台

Windows

macOS

Linux

FreeBSD

Solaris

AIX

HP-UX

JProfiler supports the following modes of operation:

	Live profiling of a local session Once you define how your application is started, JProfiler can profile it and you immediately see live data from the profiled JVM. To eliminate the need for session configuration, you can use one of the many IDE plugins to profile the application from within your favorite IDE.
	Live profiling of a remote session By modifying the VM parameters of the java start command you can get any Java application to listen for a connection from the JProfiler GUI. The profiled application can not only run on your local computer, JProfiler can attach to a profiled application over the network. In addition, JProfiler provides numerous integration wizards for all popular application servers that help you in setting up your application for profiling.
	Offline profiling You do not have to connect with the JProfiler GUI to the profiled application in order to profile it: With offline profiling you can use JProfiler's powerful trigger system or the JProfiler API to control the profiling agent and save snapshots to disk. At a later time you can open these snapshots in the JProfiler GUI or programmatically export profiling views with the command line export tool or the export ant task.
	Snapshot comparisons In JProfiler, you can save a snapshot of all current profiling data to disk. JProfiler offers a rich comparison facility to see what has changed between two or more snapshots. Alternatively you can create comparison reports programmatically with the command line comparison tool or the comparison ant task.
	Viewing an HPROF snapshot JProfiler can open HPROF snapshots that have been taken with JVM tools such as jconsole or jmap or that have been triggerd by the -XX:+HeapDumpOnOutOfMemoryError JVM parameter.

The following list gives a high level overview of the profiling views in JProfiler:

Memory profiling

JProfiler's memory view section offers dynamically updated views on memory usage and views that show information about allocations spots. All views have several aggregation levels and can show live and garbage collected objects.

	All objects Shows classes or packages of all objects on the heap with instance counts and size information. You can mark current values and show differences.
	Recorded objects Shows classes or packages of all recorded objects. You can mark current values and show differences.
	Allocation call tree Shows a call tree or methods, classes, packages or Java EE components with annotated allocations of selected classes.
	Allocation hot spots Shows a list of methods, classes, packages or Java EE components that allocate selected classes. You can mark current values and show differences. The tree of backtraces can be shown for each hot spot.
	Class tracker Shows a timeline with a graph of instance counts for selected classes.

Heap walker

In JProfiler's heap walker you can take a snapshot of the heap and drill down to objects of interest by performing selection steps. The heap walker has five views:

	Classes Shows all classes and their instances.
	Allocations Shows allocation tree and allocation hot spots for recorded objects.
	Biggest objects Shows the objects that block the largest parts of the heap from being garbage collected. The dominator tree can be expanded in place to show these retained objects.
	References Shows a graph of references for individual objects and offers a "show path to garbage collector root" functionality. Also offers cumulated views for incoming and outgoing references.
	Data Shows instance and class data for individual objects.
	Time Shows a time-resolved histogram of recorded objects.

CPU profiling

JProfiler offers various ways to record the call tree to optimize for performance or detail. The thread or thread group as well as the thread status can be chosen for all views. All views can be aggregated on a method, class, package or Java EE component level. The CPU view section contains:

	Call tree Shows a cumulated top-down tree of all recorded call sequences in the JVM. JDBC, JMS and JNDI service calls are annotated into the call tree. The call tree can be split for different request URL to a servlet or JSP. You can mark methods for "exceptional method run recording" and see the slowest invocations separatly.
	Hot spots Shows the list of the most time consuming methods. The tree of backtraces can be shown for each hot spot. Hotspots can be calculated for method calls, JDBC, JMS and JNDI service calls, as well as for URL invocations.
	Call graph Shows a graph of call sequences starting from selected methods, classes, packages or Java EE components.
	Method statistics Shows statistical information about the distribution of call times for all methods together with a call time distribution graph, that can be used to spot outliers.
	Call tracer Shows recorded chronological traces for method calls grouped by thread, package and class.

Thread profiling

For thread profiling, JProfiler offers the following views:

	Thread history Shows a timeline with thread activity and thread status.
	Thread monitor Shows a list of all live threads with their current activity.
	Thread dumps You can take multiple threads dumps and analyze them in the thread dumps view.

Monitor profiling

For monitor profiling, JProfiler offers the following views:

	Current locking graph Shows a graph of all waiting and blocking situations in the JVM.
	Current monitors Shows the currently used monitors and their associated threads.
	Locking history graph Shows the history of recorded waiting and blocking situations as graphs.
	Monitor history Shows the history of recorded waiting and blocking events.
	Monitor usage statistics Shows statistics for monitors grouped by monitors, threads and classes of monitors.

VM telemetry

To observe the internal state of your JVM, JProfiler offers various telemetry views:

	Heap Shows a timeline with a graph of the used heap and the heap size.
	Recorded objects Shows a timeline with a graph of live objects and arrays that have been recorded.
	Recorded throughput Shows a timeline with a graph of the rates of object creation and garbage collection for recorded objects.
	GC activity Shows a timeline with a graph of garbage collector activity.
	Classes Shows a timeline with a graph of loaded classes.
	Threads Shows a timeline with a graph of active threads.
	CPU load Shows a timeline with a graph of the CPU load generated by the profiled application.

类型	标题	发布时间
版本更新	JProfiler v10.0.4 JAVA剖析器JProfiler 版本更新至v10.0.4	2017-10-19 14:33:14.000
版本更新	JProfiler v10.0.3 JProfiler版本更新至v10.0.3，新增jpcontroller快照服务器保存功能。	2017-09-08 16:13:13.000
文章	【更新】JAVA剖析器JProfiler 版本更新至v10.0.4\|附新版下载 ej-technologies 旗下JAVA剖析器JProfiler 版本更新至v10.0.4，修复了多个问题，一起来看看吧	2017-10-19 14:33:14.000
文章	【更新】Java剖析JProfiler v10.0.1发布，Profiling gradle增加新特性\|附下载 Java剖析JProfiler v10.0.1发布，Profiling gradle增加新特性。	2017-04-05 10:52:35.000

更新时间:2017-10-19 14:33:14.000 | 录入时间:2006-04-26 10:01:00.000 | 责任编辑:佚名

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登录慧都网发表评论登录

2014-10-20 10:10:19.000

非常的实用，很不错

2013-11-05 10:58:34.000

可以看到好多可爱的监控结果，比如内存堆栈的分配和使用情况、对象建立的多少情况、cpu使用的情况，还可以针对每个类或每个对象或每个线程、或每个函数对内存、cpu的使用情况，还可以看java虚拟机中自动垃圾收集的运行情况，这一切都是可爱的图形界面！还可以生成静态报告，告诉你各种线程、类、对象的调用关系、运行堆栈和每个具体单元占用的资源和时间等等，功能还是非常super的，而且好多东西还没搞懂呢，反正给我的感觉就是它能告你的东西比你想知道的还要多好多，毛主席教育我们，jprofiler是个好东东。