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OProfile is a low-overhead, transparent profiler for Linux, capable of instruction-grain profiling of all processes, shared libraries, the kernel and device drivers, via the hardware performance counters.
Kieker is a framework for continuous monitoring and dynamic analysis of distributed software systems. Being designed for continuous operation, it induces only a low overhead. The TraceAnalysis tool allows to analyze and visualize trace information.
Logbus-ng consists in a set of tools to aid developers perform Log Analysis in all the stages: log generation, collection, distribution, storage and analysis. It is designed specifically for Field Failure Data Analysis in critical distributed systems
Orate is a source-level tracing facility for Oracle PL/SQL. Programmers insert calls to Orate in the code and Orate captures and writes run time information to a table. These data are suitable for debugging, testing and profiling the application.
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Supai is a window creation logger for Windows(tm). It can log the creation (or destruction) of any window while filtering out uninteresting data using the PCRE library. It logs both window title and class, and can filter on both of these attributes.
simpleWSMonitor will keep track of some values that nearly determine the availability of your webservers. It may help you find some bottlenecks from the server to your visitor and it's very lightweight, it doesn't even need a cron to work.
Watchdog is a Java performance monitoring and tuning framework. It is suitable for production environments allowing flexible auditing of performance data for later analysis by a comprehensive set of tools.
FProfiler is a Java Profiler using log4j. Its very fast because it inserts the needed instructions into the byte-code of the class. It can be used to find "Hotspots" in Java programs, libs and servlet environments simply every Java class.
LotusScript libs for Lotus Notes v5 & +.
Covers:
-Arbitrary precision number management
-Automatic doc generation
-Profiling of code
-Log
-Many small usefull functions
Code used in production env, but as it's the 1st release, let's say beta.
Performance Issue Detector: Based on Spring AOP, a set of interceptors which detects and reports slow API's, exact methods causing JDBC connection leaks and more.
This project aims at being the spearhead of logging tools. It will integrate with existing logging frameworks and will incorporate unique features to maximize speed and usability.