SetYieldProcessorScalingFactor needs to change to adapt to the new periodical measurements

[Maoni0]

unfortunately I did not see this change (#55295] from last year. this means we'd need to change our implementation of SetYieldProcessorScalingFactor, ie, no longer assuming this will only ever be called once. credit to @sergiy-k who observed this and informed me of it. the fix should be backported to 6.0.

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Issue Details

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unfortunately I did not see this change (#55295] from last year. this means we'd need to change our implementation of SetYieldProcessorScalingFactor, ie, no longer assuming this will only ever be called once. credit to @sergiy-k who observed this and informed me of it. the fix should be backported to 6.0.

Author:	Maoni0
Assignees:	-
Labels:	area-GC-coreclr
Milestone:	7.0.0

[Maoni0]

fixed by #68879 and #68881