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8143220: Fix documentation of InitiatingHeapOccupancyPercent

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Adjust internal flag documentation to how it currently works.

Reviewed-by: brutisso, jmasa, tamao
This commit is contained in:
Thomas Schatzl 2016-02-10 12:05:40 +01:00
parent 75826ca4d5
commit cb13f4c3fd
1 changed files with 9 additions and 5 deletions
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14
hotspot/src/share/vm/runtime/globals.hpp
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@ -2012,11 +2012,15 @@ public:
range(min_intx, 100) \
\
product(uintx, InitiatingHeapOccupancyPercent, 45, \
"Percentage of the (entire) heap occupancy to start a " \
"concurrent GC cycle. It is used by GCs that trigger a " \
"concurrent GC cycle based on the occupancy of the entire heap, " \
"not just one of the generations (e.g., G1). A value of 0 " \
"denotes 'do constant GC cycles'.") \
"The percent occupancy (IHOP) of the current old generation " \
"capacity above which a concurrent mark cycle will be initiated " \
"Its value may change over time if adaptive IHOP is enabled, " \
"otherwise the value remains constant. " \
"In the latter case a value of 0 will result as frequent as " \
"possible concurrent marking cycles. A value of 100 disables " \
"concurrent marking. " \
"Fragmentation waste in the old generation is not considered " \
"free space in this calculation. (G1 collector only)") \
range(0, 100) \
\
manageable(intx, CMSTriggerInterval, -1, \