3.0 Changelog
From ChronOS Linux
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* Made MCS Lock implementation generic. | * Made MCS Lock implementation generic. | ||
* Ported to ARM architecture. | * Ported to ARM architecture. | ||
+ | * Added DEBUG_CHRONOS config option which adds several checks in the kernel which are useful for debugging. | ||
==Userspace== | ==Userspace== |
Revision as of 04:42, 20 January 2012
Changes made between Beta 2.8 and 3.0.
Kernel
- Moved from kernel version 2.6.33.9 to 3.0.14, and updated to the 3.0.14-rt31 version of the PREEMPT_RT patch.
- Fixed several bugs resulting from changes made between the 2.6.33.9 and 3.0.14 kernels.
- Allow processes to exit gracefully, even if inside a real-time segment.
- Made MCS Lock implementation generic.
- Ported to ARM architecture.
- Added DEBUG_CHRONOS config option which adds several checks in the kernel which are useful for debugging.
Userspace
- Re-wrote entire sched_test_app for better modularity, portability, and expandability.
- Remove dependence on QT
- Add three timing methods: WCET, average-case, and timer-polling.
- Improve accuracy of slope-generation mechanism.
- Ported to ARM (fixed several overflow and type issues)