Profiling - Debugging

JRockit JDK

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Categories: Miscellaneous, Profiling - Debugging

Author: Oracle

Latest version: 3.1
Added 2009-11-24

The Oracle JRockit JDK provides tools, utilities, and a complete runtime environment for developing and running applications using the Java programming language. The JRockit JDK includes the Oracle JRockit Java Virtual Machine (JVM).

The JRockit JVM brings real time infrastructure capabilities with JRockit Real Time and JVM diagnostics with JRockit Mission Control.
The JRockit JVM is developed and optimized for 32 and 64-bit Intel architectures.

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Rational PurifyPlus

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Categories: Code coverage, Profiling - Debugging

Author: IBM

Latest version: 6.13
Added 2005-03-31

Set of automated runtime analysis tools for improving Linux-, UNIX- and Windows-based application reliability and performance.
Designed for Java, C, C++, and .NET applications.

Features include:
- Runtime and memory management error detection: memory corruption and leak detection.
- Application performance profiling: highlights application performance bottlenecks.
- Code coverage analysis: identifies untested code.
- Instruments code at the byte or object level.
- Server-side Java support: install PurifyPlus on your Web server to analyze Java Server Pages (JSP) and servlets.
- For software developers working with Java, Visual C++ and all VS.NET managed languages (including C# and VB.NET).
- Runs directly inside WebSphere Studio, Eclipse or Visual Studio, as well as stand-alone.
- Selective instrumentation: allows you to select which modules of an application to analyze.

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Java Execution Time Measurement Library

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Categories: Profiling - Debugging

Latest version: 0.6.2
Added 2005-07-21

Library for programmatic or declarative execution time measurement.

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JProfiler

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Categories: Profiling - Debugging

Author: ej-technologies

Latest version: 6.0
Added 2005-01-17Updated 2009-11-24

Profiler that helps you find performance bottlenecks, pin down memory leaks and resolve threading issues.

Features include:
- Memory profiling: dynamically updated views on memory usage and allocations.
- Heap walker: can take a snapshot of the heap and drill down to objects of interest by performing selection steps.
- CPU profiling: various ways to record the call tree to optimize for performance or detail.
- Thread profiling: views include Thread history, Thread monitor, Deadlock detection graph, Current monitor usage, Monitor usage history, Monitor usage statistics.
- VM telemetry: to observe the internal state of your JVM (heap, objects, garbage collector, classes, threads)
- Snapshot comparison facility
- JProfiler can be integrated into the following IDEs: Eclipse, NetBeans, IBM WSAD, IBM RAD/RSA, IntelliJ IDEA, Borland JBuilder, Oracle JDeveloper.

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JspDebug

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Categories: JSF - JSP - Tag libraries - AJAX, Profiling - Debugging

Author: Desiderata Software

Latest version: 1.0
Added 2007-02-07

Tool for debugging JSP (Java Server Pages) scripts.
Given a JSP, JspDebug will generate a Java file that's close to the JSP, and can be debugged using any IDE that has a debugger. The structure of this Java file is specially designed for ease of debugging. Once the bug has been found, the fix can be put into the original JSP. Before adding the fix to the original JSP, the Java file generated by JspDebug can also be modified to see if a particular fix will solve the problem.

Features include:
- During debugging, a String variable named _content is available. It can be examined or watched in the debugging IDE, and it will contain the JSP output until the current statement.
- Supports Servlet 2.3 and JSP 1.2

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NeoLoad

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Categories: Profiling - Debugging

Author: Neotys

Latest version: 1.0
Added 2005-03-23

Load testing tool for web applications (J2EE, ...).
By simulating a large number of users accessing your application, NeoLoad tests the robustness and the performance of the server under different loads. A test report pinpoints errors and bottlenecks, so you can focus on your slow JSP pages and code, or server configuration issues.

Through the test, NeoLoad answers these questions: How many users does my site handle? Will my site crash under load? What are the response times?

Key features:
- GUI for designing your tests (no scripting, wizards).
- Can dynamically extract links and data while the test is running to inject them in the scenario.
- Browser-based recorder: browse your application to record your scenario.
- System monitoring: get statistics from your servers (CPU, Memory, …).
- Data replacement: log in the virtual users with different accounts, submit forms changing the values.
- Data extraction: extract generated links and forms.
- Content validation: check page content under load.
- Reporting: generate a test report (HTML/PDF/XML).
- SSL: record and replay secured pages.
- IP spoofing: mandatory to test IP based load balancers.
- Written in Java and multi-platform (Windows, Linux, Solaris).
- Can generate a large amount of traffic by using additional load generators.

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JAMon

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Categories: Miscellaneous, Profiling - Debugging

Latest version: 1.0
Added 2005-05-25

The Java Application Monitor (JAMon) is a free Java API that allows developers to monitor production applications.
JAMon can be used to determine application performance bottlenecks, user/application interactions, and application scalability. JAMon gathers summary statistics such as hits, execution times (total, average, minimum, maximum, standard deviation), and simultaneous application requests. JAMon statistics are displayed in the clickable JAMon Report.

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JDebugTool

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Categories: Profiling - Debugging

Author: debugtools.com

Latest version: 3.10.4
Added 2005-03-03Updated 2007-02-07

Java debugger, built on top of the JPDA (Java Platform Debugger Architecture) standard.

Features include:
- Swing GUI
- Context sensitive help viewer
- Debug applications, applets, servlets and EJBs
- Local and remote debugging
- Run, attach and listen
- Multi-thread debugging
- Breakpoint groups
- Data tooltips
- Hot-swap classes and pop stack frames
- Save settings in projects
- Should work with any JPDA compliant JVM.
- JDK 1.5, J2SDK 1.4, and JDK 1.3 are supported.

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jBixbe

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Categories: Profiling - Debugging

Author: ds-emedia

Latest version: 1.0
Added 2006-05-23Updated 2006-09-18

Lets you debug and visualize Java applications on the conceptual level of the Unified Modeling Language (UML) at which they are designed and makes it possible to find not only simple bugs but also weaknesses and inefficiencies in application design.
jBixbe shows the big picture of your application so you can recognize classes and objects, and their relationships in UML structure diagrams and interaction with UML sequence diagrams. Different view levels support top-down debugging from design level to source code level and simplify debugging of multi-threaded applications. Source code debugging is fully integrated into the object-oriented visualization.

Features include:
- top down debugging from design to source code level
- UML sequence diagrams to display message exchange between objects
- UML structure diagrams to display object relationships and data structures
- classes, threads and source files overviews
- object references as clickable links
- drag & drop for object references
- source code debugging with breakpoints and local variable views
- Project management with auto open/save functionality
- debugging of remote Java Virtual Machines
- supports Windows and Linux

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JMeter

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Categories: Profiling - Debugging, Testing

Author: Apache Jakarta

Latest version: 2.3.4
Added 2005-01-28Updated 2008-01-26

Apache JMeter is a 100% pure Java desktop application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

Apache JMeter may be used to test performance both on static and dynamic resources (files, Servlets, Perl scripts, Java Objects, Data Bases and Queries, FTP Servers and more). It can be used to simulate a heavy load on a server, network or object to test its strength or to analyze overall performance under different load types. You can use it to make a graphical analysis of performance or to test your server/script/object behavior under heavy concurrent load.

Features include:
- Can load and performance test HTTP and FTP servers as well as arbitrary database queries (via JDBC)
- Full Swing and lightweight component support (precompiled JAR uses packages javax.swing.* )
- Full multithreading framework allows concurrent sampling by many threads and simultaneous sampling of different functions by seperate thread groups
- Caching and offline analysis/replaying of test results
- Extensible:
- Pluggable samplers allow many testing capabilities
- Several load statistics may be choosen with pluggable timers
- Data analysis and visualization plugins allow extendibility as well as personalization
- Functions can be used to provide dynamic input to a test or provide data manipulation
- Scriptable samplers (BeanShell is fully supported; and there is a sampler which supports BSF-compatible languages)

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JDbMonitor

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Categories: JDBC, Profiling - Debugging

Author: JDbMonitor

Latest version: 1.00
Added 2006-07-18

Monitors JDBC performance.
JDbMonitor is a tool to monitor and analyse database performance for Java applications.

Features include:
- Real-time monitoring of SQL execution
- Works with any application that uses JDBC
- GUI to analyse SQL performance data
- No code change required
- Suitable for monitoring production systems

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Hibernate Profiler

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Categories: Object-relational mapping, Profiling - Debugging

Author: Hibernating Rhinos

Latest version: 1.0
Added 2009-12-17

Hibernate Profiler (H Prof) is a real-time visual debugger for Hibernate.

Features include:
- Visual insight into the interaction between your database and application code
- Analysis and detection of common pitfalls when using Hibernate
- Analysis is delivered via SQL and linkable code execution
- Supports Hibernate 3.x and up
- Integration with Spring applications

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SilkPerformer

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Categories: Profiling - Debugging

Author: Borland

Latest version: 2007
Added 2007-09-12

Tool for software application performance and load testing, delivering automated software load, stress and performance testing.
With SilkPerformer, you can create load tests for thousands of users running business scenarios across a range of enterprise application environments to identify bottlenecks, and then apply diagnostics to resolve performance issues.

Features include:
- Virtual user "types" enable shared, reusable access to load testing across all major application environments
- No license requirement for "controllers" or individual "protocols" means greater access to test creation and execution for more team members across the organization
- Isolate and resolve code-level Java and .NET application performance issue, under load
- Visual script recorder and step-by-step workflow wizards
- Support for a high number of virtual users per box at either the protocol or GUI level
- Eclipse plug-in that expands test creation to Eclipse IDE users
- The Server Analysis Module maps server-side resource usage with client-side load test results
- Web Services performance testing: Borland SilkPerformer SOA Edition and .NET Explorer or Java Explorer add-ons

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YourKit Java Profiler

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Categories: Profiling - Debugging

Author: YourKit

Latest version: 10 EAP
Added 2005-10-07Updated 2011-03-28

CPU and memory profiler.

Features include:
- Analysis capabilities: CPU and memory hot spots with devoted views; snapshot comparison; memory leak detection; memory distribution reports; measuring of shallow and retained sizes of objects; reporting utility.
- On-demand profiling: enable the profiling only when you need it to avoid overhead.
- Free embedding into production: you are eligible to distribute profiling DLLs with your real-world commercial applications, free of charge.
- J2EE support: non-intrusive profiling; integration with application servers; automatic deobfuscator.
- Java 5, 6 and 7 support.
- J2ME support.
- Multi-platform and multi-processor licensing: commercial, floating, educational, open source licenses available.
- IDE integration: Eclipse, IntelliJ IDEA, NetBeans, JBuilder, JDeveloper

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