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VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling capabilities. It is bundled with the Java Development Kit since version 6, update 7. FusionReactor , Java application performance monitoring - low overhead, production grade tools for production debugging, code profiling, memory and thread analysis
JDK Mission Control is an open source tools suite for the Java virtual machine. The tools help finding problems in, and optimizing, programs running on the JVM in production. JDK Mission Control supports OpenJDK 11 (and above) and Oracle JDK 7u40 (and above). JDK Mission Control primarily consists of the following tools:
CPU-Z is more comprehensive in virtually all areas compared to the tools provided in the Windows to identify various hardware components, and thus assists in identifying certain components without the need of opening the case; particularly the core revision and RAM clock rate. It also provides information on the system's GPU.
Many features work on both Intel and AMD hardware, but the advanced hardware-based sampling features require an Intel-manufactured CPU. VTune is available for free as a stand-alone tool or as part of the Intel oneAPI Base Toolkit.
The JVMTI replaces the JVMPI (Java Virtual Machine Profiling Interface) and the JVMDI (Java Virtual Machine Debug Interface). The JVMPI and the JVMDI are declared as being deprecated in J2SE 5.0 and were removed in Java SE 6. JVMTI is the lowest-level of the Java Platform Debugger Architecture.
The number of available hardware counters in a processor is limited while each CPU model might have a lot of different events that a developer might like to measure. Each counter can be programmed with the index of an event type to be monitored, like a L1 cache miss or a branch misprediction.
CodeXL's GPU profiler collects and visualizes hardware performance counters data, application trace, kernel occupancy, and offers hotspot analysis for AMD GPUs and APUs. . The profiler gathers data from the OpenCL runtime, and from the GPU/APU itself during the execution of the kernels, and can be used to discover performance bottlenecks and optimize kernel execut
Java profiling tool for performance Tuning JRockit: Java profiling tool for performance Tuning JSF: Java specification for building component-based user interfaces for web applications. JSoup: Java HTML parser library. Supports extracting and manipulating data using DOM, CSS, and JQuery methods. JUnit: Unit testing framework Keycloak