| Commit message (Collapse) | Author | Age |
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Conflicts:
include/litmus/binheap.h
include/litmus/fdso.h
include/litmus/litmus.h
litmus/Makefile
litmus/binheap.c
litmus/edf_common.c
litmus/fdso.c
litmus/jobs.c
litmus/locking.c
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Enable kernel-style events (tracepoint) for Litmus. Litmus events
trace the same functions as the sched_trace_XXX(), but can be
enabled independently.
So, why another tracing infrastructure then:
- Litmus tracepoints can be recorded and analyzed together (single
time reference) with all other kernel tracing events (e.g.,
sched:sched_switch, etc.). It's easier to correlate the effects
of kernel events on litmus tasks.
- It enables a quick way to visualize and process schedule traces
using trace-cmd utility and kernelshark visualizer.
Kernelshark lacks unit-trace's schedule-correctness checks, but
it enables a fast view of schedule traces and it has several
filtering options (for all kernel events, not only Litmus').
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The TRACE() functionality doesn't need all of litmus.h. Currently,
it's impossible to use TRACE() in sched.h due to a circular
dependency. This patch moves TRACE() and friends to
litmus/sched_debug.h, which can be included in sched.h.
While at it, also fix some minor include ugliness that was revealed by
this change.
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- [ported from 2008.3] Add x86_32 architecture dependent code.
- Add the infrastructure for x86_32 - x86_64 integration.
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- fix requesting more than 2^11 pages (MAX_ORDER)
to system allocator
Still to be merged:
- feather-trace generic implementation
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Port 2008.3 Core LITMUS^RT infrastructure to Linux 2.6.32
litmus_sched_class implements 4 new methods:
- prio_changed:
void
- switched_to:
void
- get_rr_interval:
return infinity (i.e., 0)
- select_task_rq:
return current cpu
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