Version 12 of Active Block I/O Scheduling System

Release Notes: Regression tests were added for new buffer code (tests/nbuf/). A new "vector" variable type was added, which is a list of integers. SIGUSR1 is now dispatched to the "signal" function of the scheduler modules. Space for page pointers in the playout buffer is now allocated in page-sized chunks instead of a contiguous vector. Infrastructure for buffer resizing and queueing of asynchronous notifications was added. The code is now GCC 4.1.0 clean. Other minor updates and fixes were made.

Other releases

  •  31 Mar 2006 13:30

Release Notes: Updated to Linux 2.6.16.1. The compatibility layer has been moved from a global handler into each ioctl in each filesystem supported by ABISS. CFQ is now supported. Power management and overlap handling have been disabled for this version.

  •  23 Mar 2006 21:42

Release Notes: Regression tests were added for new buffer code (tests/nbuf/). A new "vector" variable type was added, which is a list of integers. SIGUSR1 is now dispatched to the "signal" function of the scheduler modules. Space for page pointers in the playout buffer is now allocated in page-sized chunks instead of a contiguous vector. Infrastructure for buffer resizing and queueing of asynchronous notifications was added. The code is now GCC 4.1.0 clean. Other minor updates and fixes were made.

  •  16 Sep 2005 16:29

Release Notes: Cleanups and speedups for the elevator, pre-loader, and scheduler.

  •  28 Jul 2005 02:51

Release Notes: This version was updated for Linux 2.6.12. A real-time graphing option was added along with improved debug messages.

  •  30 Jun 2005 11:43

Release Notes: rwrt can now plot jitter. Schedulers can now be modules. Header files have been fixed for compilation and other bugs. There are documentation updates.

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