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8032463: VirtualDispatch test timeout with DeoptimizeALot

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Introduce code aging for warm method detection

Reviewed-by: kvn, twisti
This commit is contained in:
Igor Veresov 2014-05-13 11:32:10 -07:00
parent 5938d3d5b9
commit 54db2c2d61
27 changed files with 283 additions and 69 deletions
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14
hotspot/src/share/vm/runtime/globals.hpp
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@ -2561,6 +2561,20 @@ class CommandLineFlags {
diagnostic(bool, PrintMethodFlushingStatistics, false, \
"print statistics about method flushing") \
\
diagnostic(intx, HotMethodDetectionLimit, 100000, \
"Number of compiled code invocations after which " \
"the method is considered as hot by the flusher") \
\
diagnostic(intx, MinPassesBeforeFlush, 10, \
"Minimum number of sweeper passes before an nmethod " \
"can be flushed") \
\
product(bool, UseCodeAging, true, \
"Insert counter to detect warm methods") \
\
diagnostic(bool, StressCodeAging, false, \
"Start with counters compiled in") \
\
develop(bool, UseRelocIndex, false, \
"Use an index to speed random access to relocations") \
\