Table Of Contents:
This page has information about Real-time usage of Linux. Also this page has information about timing systems for Linux. This is of interest to CE Linux Forum members, because many consumer electronics products have realtime requirements (e.g. in the areas of multi-media presentation, or communications)
CELF Specification
Real-time portion of CELF 1.0 specification: RTSpecDraft_R2
Technology/Project pages
RealtimePreemption - Ingo Molnar's patchset to add realtime preemption to the 2.6 Linux kernel
SoftIRQThreads - Technology to put SoftIRQs in threads so they can be preempted
This is now incorporated into the RealtimePreemption patch
HighResolutionTimers - A system to support timers with sub-jiffy resolution
VariableSchedulingTimeouts - A system to support variable timeouts for periodic system activities (also known as Tickless)
KernelTimerSystems - Various new proposals for changing the kernel timing system
Documents
Realtime Preemption presentation by Manas at the 2005 CELF Technical Conference - Real-Time-Preemption-Patchset.pdf
RealtimeTestingBestPractices - information and recommendations for realtime testing
Open Source Projects/Mailing Lists
RTAIFusion - Dual-kernel project. Fusion adds emphasis for support for realtime in user-space.