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* LITMUS^RT Core: add get_current_budget() system callBjoern Brandenburg2015-09-07
| | | | | Allow userspace to figure out the used-up and remaining budget of a task.
* Add PD^2 scheduler plugin2015.1Bjoern Brandenburg2015-08-09
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* Add C-EDF scheduler pluginBjoern Brandenburg2015-08-09
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* Add P-FP scheduler pluginBjoern Brandenburg2015-08-09
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* Add GSN-EDF scheduler pluginBjoern Brandenburg2015-08-09
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* Add PSN-EDF scheduler pluginBjoern Brandenburg2015-08-09
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* Move trace point definition to litmus/litmus.cBjoern Brandenburg2015-08-09
| | | | | | | | If !CONFIG_SCHED_TASK_TRACE, but CONFIG_SCHED_LITMUS_TRACEPOINT, then we still need to define the tracepoint structures. This patch should be integrated with the earlier sched_task_trace.c patches during one of the next major rebasing efforts.
* Add LITMUS^RT core implementationBjoern Brandenburg2015-08-09
| | | | | | | | | | | | | This patch adds the core of LITMUS^RT: - library functionality (heaps, rt_domain, prioritization, etc.) - budget enforcement logic - job management - system call backends - virtual devices (control page, etc.) - scheduler plugin API (and dummy plugin) This code compiles, but is not yet integrated with the rest of Linux.
* Add tracepoint supportBjoern Brandenburg2015-08-09
| | | | | | | This patch integrates LITMUS^RT's sched_trace_XXX() macros with Linux's notion of tracepoints. This is useful to visualize schedules in kernel shark and similar tools. Historically, LITMUS^RT's sched_trace predates Linux's tracepoint infrastructure.
* Add schedule tracing supportBjoern Brandenburg2015-08-09
| | | | | | This patch introduces the sched_trace infrastructure, which in principle allows tracing the generated schedule. However, this patch does not yet integrate the callbacks with the kernel.
* Feather-Trace: write interrupt counts to control pageBjoern Brandenburg2015-08-09
| | | | | This patch exports the interrupt counter to userspace via the control page.
* Feather-Trace: use proper definition of is_realtime()Bjoern Brandenburg2015-08-09
| | | | Remove dummy implementation of is_realtime() in trace.c.
* Add TRACE() debug tracing supportBjoern Brandenburg2015-08-09
| | | | | | | This patch adds the infrastructure for the TRACE() debug macro. Conflicts: kernel/printk.c
* Feather-Trace: add LITMUS^RT overhead tracing infrastructureBjoern Brandenburg2015-08-09
| | | | | This patch adds the main infrastructure for tracing overheads in LITMUS^RT. It does not yet introduce any tracepoints into the kernel.
* Feather-Trace: add generic ftdev device driverBjoern Brandenburg2015-08-09
| | | | | This patch adds the ftdev device driver, which is used to export samples collected with Feather-Trace to userspace.
* Feather-Trace: add x86 binary rewriting implementationBjoern Brandenburg2015-08-09
| | | | | This patch adds the x86-specific implementation of Feather-Trace triggers that works by rewriting jump instructions.
* Feather-Trace: add platform independent implementationBjoern Brandenburg2015-08-09
| | | | | This patch adds the simple fallback implementation and creates dummy hooks in the x86 and ARM Kconfig files.
* Add LITMUS^RT directoryBjoern Brandenburg2015-08-09
Hookup litmus/ with kernel and add extra version.
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