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* Added signal-related comments. Made g++ friendly.prop/litmus-signalsGlenn Elliott2012-09-07
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* Updated sporadic_task() to take sig policy.Glenn Elliott2012-09-07
| | | | | | | Also changed the LITMUS_TRY/LITMUS_CATCH/END_LITMUS_TRY macros to use if/else-if chains instead of switch statements. This is because SIGRTMAX is a variable in libc and not a compile-time constant (switches cant be used).
* Export wctime() and cputime() from rtspin to library clientsBjoern B. Brandenburg2011-02-03
| | | | | The timing functions are quite handy when building benchmark tasks. Avoid copy&paste reuse by making them available via the library.
* bugfix: switch operangs in delay computationBjoern B. Brandenburg2011-02-03
| | | | | We want the positive loop length, not the negative, to prevent jobs from overruning their budget.
* Remove old delay loop configuration cruft from rtspinBjoern B. Brandenburg2011-01-30
| | | | | Using cputime() is much more accurate than the old delay loop auto-configuration. There is no good reason to keep it around.
* Modify RTSpin so that it can read execution time data from a CSV file.Christopher Kenna2011-01-30
| | | | | Still need to figure out what to do with the period is less than the exec_cost (or budget).
* rtspin: transition back to non-real-time modeBjoern B. Brandenburg2010-11-22
| | | | | rtspin produces prettier schedules if it transitions to non-real-time mode before terminating.
* output header to STDERR in measure_syscallBjoern B. Brandenburg2010-11-09
| | | | This hopefully helps a bit to clarify the output.
* add emergency exit to rtspinBjoern B. Brandenburg2010-11-09
| | | | | | This should only trigger if the execution time tracking is broken (as it was on District10). With the emergency exit, we at least prevent the system from becoming unresponsive.
* refactor: use architecture-specific includes for cycles.hBjoern B. Brandenburg2010-11-09
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* rtspin: add -e option to enable PRECISE_ENFORCEMENT2010.2Bjoern B. Brandenburg2010-10-19
| | | | Useful to test how the kernel handles PRECISE_ENFORCEMENT.
* Support budget enforcement policies. Allows tasks to specifyGlenn Elliott2010-05-20
| | | | | | | | how their execution budgets should be enforced: NO_ENFORCEMENT, QUANTUM_ENFORCEMENT, and PRECISE_ENFORCEMENT (unsupported). NOTE: Users of NO_ENFORCEMENT must call sleep_next_period() at the end of every job to signal to the kernel that its job is complete.
* Add -v (verbose) switch to rtspin.Bjoern B. Brandenburg2010-03-10
| | | | | Can be used to dump the delay loop that rtspin is using.
* Update rt_launch usageAndrea Bastoni2010-03-02
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* Fix some compilation warningsAndrea Bastoni2009-12-13
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* Remove old tests.Bjoern B. Brandenburg2009-09-11
| | | | | | People got confused how to use them. They were never meant to be useful to outside developers. So, just get rid of them now.
* release: add -w and -f optionsBjoern B. Brandenburg2009-05-02
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* rtspin: suppress init_litmus() perror() call, it reports rubbishBjoern B. Brandenburg2009-04-29
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* rtspin: allow fractional costs and periodsBjoern B. Brandenburg2009-04-29
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* remove sched_trace stuff from liblitmusBjoern B. Brandenburg2009-04-14
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* rtspin: use POSIX clock to better approximate runtimeBjoern B. Brandenburg2009-04-14
| | | | this finally appears to work reasonably on Flare
* auto-configure spin loop in rtspinBjoern B. Brandenburg2009-03-25
| | | | | Don't just blindly overrun the budget. Instead, try to measure a spin loop and hope that we get good results.
* add system call overhead measurement programBjoern B. Brandenburg2009-03-02
| | | | | Run this tool (and a background workload) to measure system call overheads.
* Merge branch 'master' of ssh://cvs/cvs/proj/litmus/repo/liblitmus2008Bjoern B. Brandenburg2008-12-09
|\ | | | | | | | | Conflicts: Makefile
| * nicer output for cycle calibrationBjoern B. Brandenburg2008-10-05
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| * add tool for measuring cycles/secBjoern B. Brandenburg2008-09-03
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* | add support system release eventsBjoern B. Brandenburg2008-12-01
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* | replace run with rtspinBjoern B. Brandenburg2008-12-01
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* | add tool to dump sched_trace fielsBjoern B. Brandenburg2008-09-24
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* | stdump: remove in preparation of sched_trace reworkBjoern B. Brandenburg2008-09-16
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* add be task migration support to rt_launchBjoern B. Brandenburg2008-05-02
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* add wait option to rt_launchBjoern B. Brandenburg2008-02-19
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* add release_ts utilityBjoern B. Brandenburg2008-02-19
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* add unit conversionBjoern B. Brandenburg2008-02-19
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* change to nanosecond resolution time accountingBjoern B. Brandenburg2008-02-04
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* many changesBjoern B. Brandenburg2008-02-03
| | | | | - use declarations from kernel - get rid of stuipd system call macros
* rip out old junkBjoern B. Brandenburg2008-02-03
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* bin: add error checking to example tasks2007.3Bjoern B. Brandenburg2008-01-28
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* add multi-threaded exampleBjoern B. Brandenburg2008-01-24
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* Add example real-time task skeleton base_task.c .Bjoern B. Brandenburg2008-01-23
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* Reorganized file layout.Bjoern B. Brandenburg2008-01-23
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