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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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33
hotspot/src/share/vm/runtime/commandLineFlagConstraintsRuntime.cpp
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@ -130,36 +130,3 @@ Flag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose) {
return Flag::SUCCESS;
}
}
static inline Flag::Error sharedConstraintFunc(const char *name, size_t value, size_t taken, bool verbose) {
size_t available = (MAX_SHARED_DELTA-(taken+SHARED_PAGE));
if (value > available) {
CommandLineError::print(verbose,
"%s (" SIZE_FORMAT ") must be "
"smaller than or equal to (" SIZE_FORMAT ")\n",
name, value, available);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
Flag::Error SharedReadWriteSizeConstraintFunc(size_t value, bool verbose) {
size_t taken = (SharedReadOnlySize+SharedMiscDataSize+SharedMiscCodeSize);
return sharedConstraintFunc("SharedReadWriteSize", value, taken, verbose);
}
Flag::Error SharedReadOnlySizeConstraintFunc(size_t value, bool verbose) {
size_t taken = (SharedReadWriteSize+SharedMiscDataSize+SharedMiscCodeSize);
return sharedConstraintFunc("SharedReadOnlySize", value, taken, verbose);
}
Flag::Error SharedMiscDataSizeConstraintFunc(size_t value, bool verbose) {
size_t taken = (SharedReadWriteSize+SharedReadOnlySize+SharedMiscCodeSize);
return sharedConstraintFunc("SharedMiscDataSize", value, taken, verbose);
}
Flag::Error SharedMiscCodeSizeConstraintFunc(size_t value, bool verbose) {
size_t taken = (SharedReadWriteSize+SharedReadOnlySize+SharedMiscDataSize);
return sharedConstraintFunc("SharedMiscCodeSize", value, taken, verbose);
}