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8184994: Add Dictionary size logging and jcmd

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Added dcmd for printing system dictionary like the stringtable and symboltable and making print functions go to outputstream rather than tty

Reviewed-by: shade, hseigel
This commit is contained in:
Coleen Phillimore 2017-08-02 10:52:50 -04:00
parent 366e6ac796
commit 17f23d1881
30 changed files with 349 additions and 254 deletions
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21
hotspot/src/share/vm/classfile/loaderConstraints.cpp
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@ -466,27 +466,24 @@ void LoaderConstraintTable::verify(PlaceholderTable* placeholders) {
}
}
#ifndef PRODUCT
// Called with the system dictionary lock held
void LoaderConstraintTable::print() {
void LoaderConstraintTable::print_on(outputStream* st) const {
ResourceMark rm;
assert_locked_or_safepoint(SystemDictionary_lock);
tty->print_cr("Java loader constraints (entries=%d, constraints=%d)",
table_size(), number_of_entries());
st->print_cr("Java loader constraints (table_size=%d, constraints=%d)",
table_size(), number_of_entries());
for (int cindex = 0; cindex < table_size(); cindex++) {
for (LoaderConstraintEntry* probe = bucket(cindex);
probe != NULL;
probe = probe->next()) {
tty->print("%4d: ", cindex);
probe->name()->print();
tty->print(" , loaders:");
st->print("%4d: ", cindex);
probe->name()->print_on(st);
st->print(" , loaders:");
for (int n = 0; n < probe->num_loaders(); n++) {
probe->loader_data(n)->print_value();
tty->print(", ");
probe->loader_data(n)->print_value_on(st);
st->print(", ");
}
tty->cr();
st->cr();
}
}
}
#endif