Imagelibrary/rtems
1
0
Fork 1
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2025-12-05 23:23:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

6
doc/ChangeLog
View File

@@ -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> 2007-01-16 Ralf Corsépius <ralf.corsepius@rtems.org>
* setup.def: newlib-1.15.0. * setup.def: newlib-1.15.0.

6
doc/user/rtmon.t
View File

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