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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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5
hotspot/src/share/vm/ci/ciMethod.hpp
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@ -68,6 +68,7 @@ class ciMethod : public ciMetadata {
int _max_locals;
vmIntrinsics::ID _intrinsic_id;
int _handler_count;
int _nmethod_age;
int _interpreter_invocation_count;
int _interpreter_throwout_count;
int _instructions_size;
@ -168,6 +169,10 @@ class ciMethod : public ciMetadata {
int interpreter_invocation_count() const { check_is_loaded(); return _interpreter_invocation_count; }
int interpreter_throwout_count() const { check_is_loaded(); return _interpreter_throwout_count; }
int size_of_parameters() const { check_is_loaded(); return _size_of_parameters; }
int nmethod_age() const { check_is_loaded(); return _nmethod_age; }
// Should the method be compiled with an age counter?
bool profile_aging() const;
// Code size for inlining decisions.
int code_size_for_inlining();