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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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6
hotspot/src/share/vm/gc_implementation/parallelScavenge/objectStartArray.cpp
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@ -28,6 +28,7 @@
#include "memory/cardTableModRefBS.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/java.hpp"
#include "services/memTracker.hpp"
void ObjectStartArray::initialize(MemRegion reserved_region) {
// We're based on the assumption that we use the same
@ -50,6 +51,7 @@ void ObjectStartArray::initialize(MemRegion reserved_region) {
if (!backing_store.is_reserved()) {
vm_exit_during_initialization("Could not reserve space for ObjectStartArray");
}
MemTracker::record_virtual_memory_type((address)backing_store.base(), mtGC);
// We do not commit any memory initially
if (!_virtual_space.initialize(backing_store, 0)) {
@ -57,10 +59,14 @@ void ObjectStartArray::initialize(MemRegion reserved_region) {
}
_raw_base = (jbyte*)_virtual_space.low_boundary();
if (_raw_base == NULL) {
vm_exit_during_initialization("Could not get raw_base address");
}
MemTracker::record_virtual_memory_type((address)_raw_base, mtGC);
_offset_base = _raw_base - (size_t(reserved_region.start()) >> block_shift);
_covered_region.set_start(reserved_region.start());