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8028391: Make the Min/MaxHeapFreeRatio flags manageable

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Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallalGC.

Reviewed-by: sla, mgerdin, brutisso
This commit is contained in:
Jesper Wilhelmsson 2014-01-29 23:17:05 +01:00
parent 9d4f3dfd4f
commit 5301534dc3
11 changed files with 178 additions and 36 deletions
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12
hotspot/src/share/vm/runtime/globals.hpp
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@ -3135,15 +3135,15 @@ class CommandLineFlags {
"Maximum size of class area in Metaspace when compressed " \
"class pointers are used") \
\
product(uintx, MinHeapFreeRatio, 40, \
manageable(uintx, MinHeapFreeRatio, 40, \
"The minimum percentage of heap free after GC to avoid expansion."\
" For most GCs this applies to the old generation. In G1 it" \
" applies to the whole heap. Not supported by ParallelGC.") \
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
\
product(uintx, MaxHeapFreeRatio, 70, \
manageable(uintx, MaxHeapFreeRatio, 70, \
"The maximum percentage of heap free after GC to avoid shrinking."\
" For most GCs this applies to the old generation. In G1 it" \
" applies to the whole heap. Not supported by ParallelGC.") \
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
\
product(intx, SoftRefLRUPolicyMSPerMB, 1000, \
"Number of milliseconds per MB of free space in the heap") \