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2007-03-02 Joel Sherrill <joel@OARcorp.com>

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PR 1221/doc
	* user/rtmon.t: Add missing exponent operator in RMS CPU Utiliziation
	formula.
This commit is contained in:
Joel Sherrill
2007-03-02 21:30:22 +00:00
parent 1f88fa0065
commit af61bca7ad
2 changed files with 9 additions and 3 deletions
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6
doc/ChangeLog
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@@ -1,3 +1,9 @@
2007-03-02 Joel Sherrill <joel@OARcorp.com>
PR 1221/doc
* user/rtmon.t: Add missing exponent operator in RMS CPU Utiliziation
formula.
2007-01-16 Ralf Corsépius <ralf.corsepius@rtems.org>
* setup.def: newlib-1.15.0.

6
doc/user/rtmon.t
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@@ -267,7 +267,7 @@ overload, the processor utilization must adhere to the following
rule:
@example
Utilization = maximum_tasks * (2(1/maximum_tasks) - 1)
Utilization = maximum_tasks * (2**(1/maximum_tasks) - 1)
@end example
As the number of tasks increases, the above formula
@@ -355,7 +355,7 @@ period, execution time, and processor utilization for each task:
@end ifset
The total processor utilization for this task set is
0.73 which is below the upper bound of 3 * (2(1/3) - 1), or
0.73 which is below the upper bound of 3 * (2**(1/3) - 1), or
0.779, imposed by the Processor Utilization Rule. Therefore,
this task set is guaranteed to be schedulable using RMS.
@@ -464,7 +464,7 @@ execution time, and processor utilization for each task:
@end ifset
The total processor utilization for the modified task
set is 0.83 which is above the upper bound of 3 * (2(1/3) - 1),
set is 0.83 which is above the upper bound of 3 * (2**(1/3) - 1),
or 0.779, imposed by the Processor Utilization Rule. Therefore,
this task set is not guaranteed to be schedulable using RMS.
However, the First Deadline Rule can guarantee the