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8013590: NPG: Add a memory pool MXBean for Metaspace

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Reviewed-by: jmasa, mgerdin
This commit is contained in:
Erik Helin 2013-06-26 16:58:37 +02:00
parent ca3a1be3fe
commit 604a75ff30
10 changed files with 222 additions and 21 deletions
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38
hotspot/src/share/vm/services/memoryPool.cpp
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@ -25,6 +25,7 @@
#include "precompiled.hpp"
#include "classfile/systemDictionary.hpp"
#include "classfile/vmSymbols.hpp"
#include "memory/metaspace.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/javaCalls.hpp"
@ -33,6 +34,7 @@
#include "services/memoryManager.hpp"
#include "services/memoryPool.hpp"
#include "utilities/macros.hpp"
#include "utilities/globalDefinitions.hpp"
MemoryPool::MemoryPool(const char* name,
PoolType type,
@ -256,3 +258,39 @@ MemoryUsage CodeHeapPool::get_memory_usage() {
return MemoryUsage(initial_size(), used, committed, maxSize);
}
MetaspacePool::MetaspacePool() :
MemoryPool("Metaspace", NonHeap, capacity_in_bytes(), calculate_max_size(), true, false) { }
MemoryUsage MetaspacePool::get_memory_usage() {
size_t committed = align_size_down_(capacity_in_bytes(), os::vm_page_size());
return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size());
}
size_t MetaspacePool::used_in_bytes() {
return MetaspaceAux::allocated_used_bytes(Metaspace::NonClassType);
}
size_t MetaspacePool::capacity_in_bytes() const {
return MetaspaceAux::allocated_capacity_bytes(Metaspace::NonClassType);
}
size_t MetaspacePool::calculate_max_size() const {
return FLAG_IS_CMDLINE(MaxMetaspaceSize) ? MaxMetaspaceSize : max_uintx;
}
CompressedKlassSpacePool::CompressedKlassSpacePool() :
MemoryPool("Compressed Class Space", NonHeap, capacity_in_bytes(), ClassMetaspaceSize, true, false) { }
size_t CompressedKlassSpacePool::used_in_bytes() {
return MetaspaceAux::allocated_used_bytes(Metaspace::ClassType);
}
size_t CompressedKlassSpacePool::capacity_in_bytes() const {
return MetaspaceAux::allocated_capacity_bytes(Metaspace::ClassType);
}
MemoryUsage CompressedKlassSpacePool::get_memory_usage() {
size_t committed = align_size_down_(capacity_in_bytes(), os::vm_page_size());
return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size());
}