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8010862: The Method counter fields used for profiling can be allocated lazily

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Allocate the method's profiling related metadata until they are needed.

Reviewed-by: coleenp, roland
This commit is contained in:
Jiangli Zhou 2013-04-09 17:17:41 -04:00
parent 0afa77628c
commit 56370657b9
34 changed files with 773 additions and 295 deletions
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17
hotspot/src/share/vm/runtime/vmStructs.cpp
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@ -77,6 +77,7 @@
#include "oops/klass.hpp"
#include "oops/markOop.hpp"
#include "oops/methodData.hpp"
#include "oops/methodCounters.hpp"
#include "oops/method.hpp"
#include "oops/objArrayKlass.hpp"
#include "oops/objArrayOop.hpp"
@ -348,16 +349,17 @@ typedef BinaryTreeDictionary<Metablock, FreeList> MetablockTreeDictionary;
nonstatic_field(MethodData, _arg_local, intx) \
nonstatic_field(MethodData, _arg_stack, intx) \
nonstatic_field(MethodData, _arg_returned, intx) \
nonstatic_field(Method, _constMethod, ConstMethod*) \
nonstatic_field(Method, _method_data, MethodData*) \
nonstatic_field(Method, _interpreter_invocation_count, int) \
nonstatic_field(MethodCounters, _interpreter_invocation_count, int) \
nonstatic_field(MethodCounters, _interpreter_throwout_count, u2) \
nonstatic_field(MethodCounters, _number_of_breakpoints, u2) \
nonstatic_field(MethodCounters, _invocation_counter, InvocationCounter) \
nonstatic_field(MethodCounters, _backedge_counter, InvocationCounter) \
nonstatic_field(Method, _constMethod, ConstMethod*) \
nonstatic_field(Method, _method_data, MethodData*) \
nonstatic_field(Method, _method_counters, MethodCounters*) \
nonstatic_field(Method, _access_flags, AccessFlags) \
nonstatic_field(Method, _vtable_index, int) \
nonstatic_field(Method, _method_size, u2) \
nonstatic_field(Method, _interpreter_throwout_count, u2) \
nonstatic_field(Method, _number_of_breakpoints, u2) \
nonstatic_field(Method, _invocation_counter, InvocationCounter) \
nonstatic_field(Method, _backedge_counter, InvocationCounter) \
nonproduct_nonstatic_field(Method, _compiled_invocation_count, int) \
volatile_nonstatic_field(Method, _code, nmethod*) \
nonstatic_field(Method, _i2i_entry, address) \
@ -1381,6 +1383,7 @@ typedef BinaryTreeDictionary<Metablock, FreeList> MetablockTreeDictionary;
declare_type(ConstantPoolCache, MetaspaceObj) \
declare_type(MethodData, Metadata) \
declare_type(Method, Metadata) \
declare_type(MethodCounters, MetaspaceObj) \
declare_type(ConstMethod, MetaspaceObj) \
\
declare_toplevel_type(Symbol) \