Profilers

Profilers

Cougaar memory profiler
The Cougaar memory profiler is a tool for debugging memory usage and leaks in any Java application. It features a scalable 100% Java and leaks in any Java application. It features a scalable 100% Java design that is lighter weight than existing JVMPI-based profilers.
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NetBeans Profiler
NetBeans Profiler is a project to integrate the JFluid profiling technology, which is being developed by Sun, into the NetBeans IDE. The technology, which is being developed by Sun, into the NetBeans IDE. The aim of this project is to provide a powerful and flexible profiling solution that is tightly integrated into the IDE workflow. As the size and complexity of Java applications grow, keeping their performance at the required level becomes progressively difficult. That is why we believe profiling should become a natural part of the development work cycle. To achieve that, we would like to make profiling easy-to-use and as unobtrusive as possible - and the JFluid technology that we use, with dynamic bytecode instrumentation at its heart, suits this goal perfectly.

JAMon API
The Java Application Monitor (JAMon) is a free, simple, high performance, thread safe, Java API that allows developers to easily performance, thread safe, Java API that allows developers to easily 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.

JRat
JRat is the Java Runtime Analysis Toolkit. Its purpose is to enable developers to better understand the runtime behavior of their enable developers to better understand the runtime behavior of their Java programs. The term behavior includes, but is not limited to performance profiling.

Extensible Java Profiler
Extensible Java Profiler (EJP) is an open-source profiling tool for Java with a scalable and extensible architecture, allowing its usage for Java with a scalable and extensible architecture, allowing its usage for exotic programming languages that use a Java backend.

JMemProf
JMemProf is a live Java memory profiler suitable for deployment in web containers such as JBoss, Tomcat and others. JMemProf allows you in web containers such as JBoss, Tomcat and others. JMemProf allows you to retrieve memory profile information while your application is running.

JMP
JMP is a profiler for java that can be used to trace objects usage and method timings. JMP uses the JVMPI interface to gather usage and method timings. JMP uses the JVMPI interface to gather statistics and interact with the JVM. JMP uses a GTK+ interface to show the status.

JTreeProfiler
A JVMPI based profiler for Java that collects all methods calls in a XML File and displays them in a TreeMap. in a XML File and displays them in a TreeMap.

JBoss Profiler
JBoss Profiler is a log based profiler using the JVMPI system. It uses an agent written in C that captures events from the JVM and logs uses an agent written in C that captures events from the JVM and logs them to disk. A web application running on JBoss or another machine can be used to analyze these logs through a web browser.

MessAdmin
MessAdmin is a notification system and Session administration for J2EE Web Applications, giving detailed statistics and informations on J2EE Web Applications, giving detailed statistics and informations on any Web application. It installs as a plug-in to any Java EE WebApp, and requires zero-code modification.

TomcatProbe
TomcatProbe is a real-time monitoring and management tool for Apache Tomcat. It is very easy to deploy and requires no modification to Apache Tomcat. It is very easy to deploy and requires no modification to either Tomcat or running applications. Tomcatprobe allows real-time monitoring of deployed applications and their status, active http sessions and their attributes, datasources, their details and current usage. It also shows requests that are being executed, sizes of application footprints in memory, enables on-the-fly application deployment with JSP precompilation. System information view displays Java runtime version, graphical memory usage, OS information and system properties. Quick check options allows to check usage of all resources including all datasources, file handles and memory in one click.

DJProf
DJProf is an experimental tool for profiling Java programs which employs AspectJ to insert the necessary instrumentation for profiling employs AspectJ to insert the necessary instrumentation for profiling rather than, for example, the Java Machine Profiler Interface (JVMPI). DJProf can be used to profile Java programs without modification (i.e. there is no need to recompile them for profiling) and does not require the user to have any knowledge of AspectJ.

DrMem
A simple heap profiler for Java, based on JVMPI. The profiler can be attached to a non-interactive JVM, creating heap statistics from time be attached to a non-interactive JVM, creating heap statistics from time to time.

nfraRED
nfraRED is a tool for monitoring performance of a J2EE application and diagnosing performance problems. InfraRED uses AOP to application and diagnosing performance problems. InfraRED uses AOP to weave the performance monitoring code into the application. It comes with out of the box support for AspectJ & Aspectwerkz. Salient Features: * Fully non-intrusive. No coding required by developers. * Fully non-intrusive. No coding required by developers. * Layer-wise performance statistics summary (Web, Session, JDBC etc). * API level detailed performance statistics. * Call tree views (like in other profiler tools). * JDBC API and SQL statistics. * Last invocation statistics. * Correlation of statistics across layers. * Support for centralised gathering and presentation of performance data for one or more applications in a cluster. * Remote or local collection of performance metrics. * User-friendly web GUI. * Simplified ant-based integration with application. * Support for multiple application servers * Weblogic * Jboss * Tomcat * Useful for applications with or without use of EJBs. * Export summary of performance statistics into Excel spreadsheets. * Very low overhead, Can be used in production environments. * Ability to save and reload snapshots.

Stopwatch
Stopwatch is a free, simple, highly extensible, Java API that allows developers to easily monitor whole application or any part of it. allows developers to easily monitor whole application or any part of it. By default Stopwatch generate reports about hits, execution times (total, average, minimum, maximum) as well as load but it can be easily extended to measure anything else by providing custom engine. Out of the box Stopwatch uses an in-memory HSQL database. It is able to persist collected data using a storage. There is storage provided to persist into HSQL database and custom storage can be easily integrated.

TIJmp
A small and fast memory profiler for java/6 and later. TIJjmp uses C code to talk to the jvm and it uses swing to show the the tables uses C code to talk to the jvm and it uses swing to show the the tables of information. So tijmp is written in C (using jvmti and jni) and Java. TIJmp runs in the same jvm as the program being profiled. This means that it can easily get access to all things jvmti/jni has to offer.

Java Interactive Profiler (JIP)
JIP is a high performance, low overhead code profiler for Java. Its main features are: 1. Its written entirely in Java and needs no Its main features are: 1. Its written entirely in Java and needs no native components. 2. It allows the developer to filter which classes and packages are profiled. 3. There are many options available for controlling the output of the profiler. This makes it easier to manage all of the data that can be generated. There is also an XML output option which makes it easy to manipluate the output using other programs. 4. JIP is interactive, allowing the developer to turn the profiler on and off while the JVM is running. This makes it particularly well suited for profiling web applications. 5. JIP is available under the BSD license.

Appsy
Appsy is a user experience profiling tool : - Monitor how the users actually uses your java applications, - Monitor how your java users actually uses your java applications, - Monitor how your java applications responds to the users requests. Every software need to be improved in term of quality, performance, efficiency ... With Appspy, you will get all the data you need to learn how to improve the value of your software for your users.
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