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Load-Balancing for a Real-Time System Based on Asymmetric Multi-Processing
White Paper ARTiS is a project that aims at enhancing the Linux kernel with better real-time properties. It allows retaining the flexibility and ease of development of a normal application for the real-time applications while keeping the whole power of SMP... [10 Jul 2008]
Trusted Path Execution for the Linux 2.6 Kernel as a Linux Security Module
White Paper The Linux Security Module project was aimed at applying security to the Linux kernel without imposing on the system. Several approaches are available to solve such a problem at the application level of a system but very few are actually implemented... [03 Jul 2008]
Preemptible Linux: A Reality Check
White Paper The lack of kernel preemption in Linux means that long system calls can delay high priority user process execution for relatively long periods, running into the tens of milliseconds in a 2.4 kernel. There is now a kernel preemption patch that today... [03 Jul 2008]
Multi-Core and Linux Kernel
White Paper This paper captures the recent enhancements to the 2.6 Linux Kernel which better support and enhance the performance of Multi-core capable platforms. Semiconductor technological advances in the recent years have led to the inclusion of multiple CPU... [19 Jul 2007]
Unintrusively Measuring Linux Kernel Execution Times
White Paper This paper presents a methodology to perform fine-grained cycle-accurate timing measurements crossing the user-kernel boundary. Next, it applies the methodology to obtain execution timing for the system entry and exit paths on x86-based Linux systems. [18 May 2007]
Embedded Real Time Linux Kernel Design Using Game Theory and Control Logic
White Paper The system is shown to degenerate to a remote thread execution mechanism of a real-time operating Linux system where the kernel instantiation is control strategy dependent. This paper describes a distributed hybrid architecture that imparts... [18 May 2007]
Link-Time Optimization of a Linux Kernel for Space
White Paper This paper evaluates a number of these techniques on a minimal Linux kernel, configured specifically for one hardware platform. As opposed to general purpose computing systems, where execution speed is the first and often only concern of the... [19 Apr 2007]
Blocking System Calls in KRoC/Linux
White Paper This paper describes an extension to Kent Retargetable occam Compiler (KRoC), which enables the execution of a blocking call, without blocking the occam-kernel. Blocking calls are implemented using Linux clones which communicate using shared memory... [18 Apr 2007]
Event-Driven Thermal Management in SMP Systems
White Paper The authors implemented energy-aware scheduling for the Linux kernel. Actions usually taken to prevent processors from overheating, such as decreasing the frequency or stopping the execution flow, also degrade performance. [18 Apr 2007]
Supporting Dynamic QoS in Linux
White Paper The Linux kernel was slightly modified in the implementation to achieve reconfigurability. Both the VRE scheduler and the default rate controller are implemented as Linux loadable modules, which can be dynamically loaded into the kernel to replace... [03 Apr 2007]
Linux as a Real-Time Operating System
White Paper The main handicap to considering Linux as a real-time system is that the kernel is not preemptable; that is, while the processor executes kernel code, no other process or event can preempt kernel execution. [03 Apr 2007]
Linux Kernel Specialization for Scientific Application Performance: UCSB Technical Report CS2005-29
White Paper In this paper, the authors investigate the performance effects of specializing the Linux kernel for the dedicated execution of scientific applications. The authors analyze the kernel execution behavior of a publicly available weather modeling... [01 Apr 2007]
The Bloor Perspective: LinuxWorld shenanigans, Psion trouble and what value stock options
Comment All of these follow hot on the heels of release 2.4.1 of the Linux kernel, with its improved support of multiple processors and faster execution times. Last week, Microsoft's product manager for competitive strategies, Doug Miller, was quoted as... [05 Feb 2001]
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