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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.
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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.
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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.
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This patch adds the infrastructure for the TRACE() debug macro.
Conflicts:
kernel/printk.c
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This patch adds the main infrastructure for tracing overheads in
LITMUS^RT. It does not yet introduce any tracepoints into the kernel.
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This patch adds the x86-specific implementation of Feather-Trace
triggers that works by rewriting jump instructions.
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This patch adds the simple fallback implementation and creates dummy
hooks in the x86 and ARM Kconfig files.
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Hookup litmus/ with kernel and add extra version.
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