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8072061: Automatically determine optimal sizes for the CDS regions

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See new C++ class MetaspaceClosure.

Reviewed-by: coleenp, jiangli, mseledtsov
This commit is contained in:
Ioi Lam 2017-08-02 18:06:38 -07:00
parent 4b983a51fd
commit f7f193ae71
82 changed files with 2010 additions and 1622 deletions
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8
hotspot/src/share/vm/oops/methodData.cpp
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@ -29,6 +29,7 @@
#include "interpreter/bytecodeStream.hpp"
#include "interpreter/linkResolver.hpp"
#include "memory/heapInspection.hpp"
#include "memory/metaspaceClosure.hpp"
#include "memory/resourceArea.hpp"
#include "oops/methodData.hpp"
#include "prims/jvmtiRedefineClasses.hpp"
@ -715,7 +716,7 @@ void SpeculativeTrapData::print_data_on(outputStream* st, const char* extra) con
MethodData* MethodData::allocate(ClassLoaderData* loader_data, const methodHandle& method, TRAPS) {
int size = MethodData::compute_allocation_size_in_words(method);
return new (loader_data, size, false, MetaspaceObj::MethodDataType, THREAD)
return new (loader_data, size, MetaspaceObj::MethodDataType, THREAD)
MethodData(method(), size, THREAD);
}
@ -1634,6 +1635,11 @@ bool MethodData::profile_parameters_for_method(const methodHandle& m) {
return m->is_compiled_lambda_form();
}
void MethodData::metaspace_pointers_do(MetaspaceClosure* it) {
log_trace(cds)("Iter(MethodData): %p", this);
it->push(&_method);
}
void MethodData::clean_extra_data_helper(DataLayout* dp, int shift, bool reset) {
if (shift == 0) {
return;