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6995781: Native Memory Tracking (Phase 1)

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7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
This commit is contained in:
Zhengyu Gu 2012-06-28 17:03:16 -04:00
parent 8e42425c92
commit a39b17624a
315 changed files with 7245 additions and 1477 deletions
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16
hotspot/src/share/vm/classfile/loaderConstraints.cpp
View file

@ -31,7 +31,7 @@
#include "utilities/hashtable.inline.hpp"
LoaderConstraintTable::LoaderConstraintTable(int nof_buckets)
: Hashtable<klassOop>(nof_buckets, sizeof(LoaderConstraintEntry)) {};
: Hashtable<klassOop, mtClass>(nof_buckets, sizeof(LoaderConstraintEntry)) {};
LoaderConstraintEntry* LoaderConstraintTable::new_entry(
@ -39,7 +39,7 @@ LoaderConstraintEntry* LoaderConstraintTable::new_entry(
klassOop klass, int num_loaders,
int max_loaders) {
LoaderConstraintEntry* entry;
entry = (LoaderConstraintEntry*)Hashtable<klassOop>::new_entry(hash, klass);
entry = (LoaderConstraintEntry*)Hashtable<klassOop, mtClass>::new_entry(hash, klass);
entry->set_name(name);
entry->set_num_loaders(num_loaders);
entry->set_max_loaders(max_loaders);
@ -49,7 +49,7 @@ LoaderConstraintEntry* LoaderConstraintTable::new_entry(
void LoaderConstraintTable::free_entry(LoaderConstraintEntry *entry) {
// decrement name refcount before freeing
entry->name()->decrement_refcount();
Hashtable<klassOop>::free_entry(entry);
Hashtable<klassOop, mtClass>::free_entry(entry);
}
@ -164,7 +164,7 @@ void LoaderConstraintTable::purge_loader_constraints(BoolObjectClosure* is_alive
// Purge entry
*p = probe->next();
FREE_C_HEAP_ARRAY(oop, probe->loaders());
FREE_C_HEAP_ARRAY(oop, probe->loaders(), mtClass);
free_entry(probe);
} else {
#ifdef ASSERT
@ -224,7 +224,7 @@ bool LoaderConstraintTable::add_entry(Symbol* class_name,
int index = hash_to_index(hash);
LoaderConstraintEntry* p;
p = new_entry(hash, class_name, klass, 2, 2);
p->set_loaders(NEW_C_HEAP_ARRAY(oop, 2));
p->set_loaders(NEW_C_HEAP_ARRAY(oop, 2, mtClass));
p->set_loader(0, class_loader1());
p->set_loader(1, class_loader2());
p->set_klass(klass);
@ -340,10 +340,10 @@ void LoaderConstraintTable::ensure_loader_constraint_capacity(
int nfree) {
if (p->max_loaders() - p->num_loaders() < nfree) {
int n = nfree + p->num_loaders();
oop* new_loaders = NEW_C_HEAP_ARRAY(oop, n);
oop* new_loaders = NEW_C_HEAP_ARRAY(oop, n, mtClass);
memcpy(new_loaders, p->loaders(), sizeof(oop) * p->num_loaders());
p->set_max_loaders(n);
FREE_C_HEAP_ARRAY(oop, p->loaders());
FREE_C_HEAP_ARRAY(oop, p->loaders(), mtClass);
p->set_loaders(new_loaders);
}
}
@ -425,7 +425,7 @@ void LoaderConstraintTable::merge_loader_constraints(
}
*pp2 = p2->next();
FREE_C_HEAP_ARRAY(oop, p2->loaders());
FREE_C_HEAP_ARRAY(oop, p2->loaders(), mtClass);
free_entry(p2);
return;
}