[RTEMS Project] #3826: top on SMP shows invalid priorities
RTEMS trac
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Thu Dec 12 18:57:51 UTC 2019
#3826: top on SMP shows invalid priorities
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Reporter: Chris Johns | Owner: (none)
Type: defect | Status: new
Priority: normal | Milestone: 5.1
Component: shell | Version: 5
Severity: normal | Resolution:
Keywords: | Blocked By:
Blocking: |
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Comment (by Sebastian Huber):
The Priority_Control contains 64 bits. The least significant bit is used
to indicate if the priority is appended or prepended to its priority
group. This bit is removed by the _Thread_Get_unmapped_real_priority().
The other 63 bits are defined by a particular scheduler algorithm. The
only invariant is the lower values indicate a higher priority
(importance).
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Ticket URL: <http://devel.rtems.org/ticket/3826#comment:5>
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