Concurrent Upgrades NightStar Development Tools for RedHawk Linux

7/28/2004 - Concurrent Computer Corporation (NASDAQ: CCUR), Integrated Solutions Division, announced the availability of an enhanced set of NightStarTM software development tools for its iHawkTM Intel® Xeon and AMD OpteronTM multiprocessor platforms. The new tool set now includes NightTuneTM, a graphical system and application tuner that helps users get the best possible performance from their applications, and an improved NightProbeTM data monitoring tool.

NightStar GUI tools allow users to debug, monitor, schedule, analyze and tune complex time-critical applications typically found in simulation, data acquisition, and industrial control and financial transaction processing. NightStar enables system builders to reduce software development time and maximize productivity when developing their Linux® solutions.

The NightStar package includes the NightViewTM source-level debugger, NightTraceTM event analyzer, NightSimTM periodic scheduler, NightProbeTM data monitor and NightTuneTM system and application tuner. Each tool runs on an iHawk target system with minimum intrusion, thus maintaining the deterministic characteristics of an application.

Concurrent’s high-performance iHawk multiprocessors run RedHawkTM Linux, a real-time, Red Hat compatible version of the open source Linux operating system. RedHawk Linux provides the performance needed in time-critical and hard real-time applications. RedHawk guarantees that a user application can respond to an external event in less than 30 microseconds on a dedicated processor. NightStar tools, together with RedHawk Linux, provide the most comprehensive development environment for complex real-time applications available to the Linux community.

Linux application developers can save time and money using NightStar tools. Time-to-market can be greatly reduced due to the tools' robust features and easy-to-use, intuitive interface.

“Our NightStar tools have long been popular with customers developing real-time applications on our VME-based platforms,” said Don Bauer, vice president of Worldwide Sales and Service, Concurrent Integrated Solutions Division. “New customers of our iHawk PCI multiprocessors have also enthusiastically chosen NightStar. In response to their requests, we have added significant new features to the tool set.”

NightStar Tools
NightView is the most powerful Linux source-level debugger available today. NightView allows users to simultaneously debug multiple real-time processes and provides the ability to change program execution and modify or retrieve data without stopping or interrupting the program. Breakpoints, watchpoints and data monitorpoints are automatically patched into an application and execute at full application speed without effecting real-time deadlines.

Unlike the gnu debugger (gdb), NightView is excellent at debugging multiple processes and multi-threaded applications. NightView supports any mix of C/C++, Fortran and Ada programs with unique debugging features such as application-speed event conditions, “hot” patches and non-intrusive synchronized data monitoring. In addition to helping discover problems, NightView can correct them while the application is running. Corrections can be stored and reapplied from run-to-run until the application source code is finally modified.

NightTrace is a graphical tool for analyzing the dynamic behavior of multiple real-time processes together with RedHawk Linux activity. User-level tracing makes use of synchronized fast-access hardware clocks without system calls, allowing trace information to be logged in minimal time. NightTrace can also analyze distributed real-time applications executing on multiple systems.

NightSim is a tool for building and monitoring real-time applications that require predictable, cyclic process execution. Ideal for simulation applications, NightSim allows developers to control and dynamically adjust the execution of multiple coordinated processes, their priorities and CPU assignments. Users can monitor the performance of periodic applications by displaying period execution times, minimums and maximums and can take action when frame overruns occur.

NightProbe is a graphical tool for monitoring, altering, and recording of program data within multiple executing real-time programs without significantly effecting their execution. NightProbe can be used in a development environment as a tool for debugging, analysis, prototyping and fault injection, or in a production environment to create a GUI control panel for program input and output. NightProbe now offers an improved user interface, enhanced performance, and the ability to probe PCI devices, shared memory segments and mapped memory devices.

NightTune provides a graphical interface for monitoring and tuning application performance. Users can monitor CPU priorities, scheduling policy, assignment and usage in user applications. Tuning can be performed dynamically to instantly view the effect on total application performance. NightTune also monitors operating system CPU usage, context switches, interrupts, memory paging and network activity.

About Concurrent
Since 1966, Concurrent (, headquartered in Duluth, Georgia, has been a premier provider of high-performance, real-time computer systems, solutions, and software for commercial and government markets. The company’s Integrated Solutions Division focuses on strategic market areas that include hardware-in-the-loop and man-in-the-loop simulation, data acquisition, industrial systems, information technology, and software. Concurrent’s Video-On-Demand Division is a recognized leader in the digital cable market, serving North America’s major cable operators in 80 markets with over 5.2 million digital subscribers and 15.8 million basic subscribers. Concurrent's proven technology provides a flexible, comprehensive, robust solution for HFC, DSL, and IP-based networks. Concurrent provides sales and support from offices throughout North America, Europe, Asia, and Australia.

Concurrent Computer Corporation and its logo are registered and unregistered trademarks of Concurrent Computer Corporation.

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