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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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12
hotspot/src/share/vm/services/memoryManager.cpp
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@ -166,15 +166,15 @@ void MemoryManager::oops_do(OopClosure* f) {
GCStatInfo::GCStatInfo(int num_pools) {
// initialize the arrays for memory usage
_before_gc_usage_array = (MemoryUsage*) NEW_C_HEAP_ARRAY(MemoryUsage, num_pools);
_after_gc_usage_array = (MemoryUsage*) NEW_C_HEAP_ARRAY(MemoryUsage, num_pools);
_before_gc_usage_array = (MemoryUsage*) NEW_C_HEAP_ARRAY(MemoryUsage, num_pools, mtInternal);
_after_gc_usage_array = (MemoryUsage*) NEW_C_HEAP_ARRAY(MemoryUsage, num_pools, mtInternal);
_usage_array_size = num_pools;
clear();
}
GCStatInfo::~GCStatInfo() {
FREE_C_HEAP_ARRAY(MemoryUsage*, _before_gc_usage_array);
FREE_C_HEAP_ARRAY(MemoryUsage*, _after_gc_usage_array);
FREE_C_HEAP_ARRAY(MemoryUsage*, _before_gc_usage_array, mtInternal);
FREE_C_HEAP_ARRAY(MemoryUsage*, _after_gc_usage_array, mtInternal);
}
void GCStatInfo::set_gc_usage(int pool_index, MemoryUsage usage, bool before_gc) {
@ -214,8 +214,8 @@ GCMemoryManager::~GCMemoryManager() {
void GCMemoryManager::initialize_gc_stat_info() {
assert(MemoryService::num_memory_pools() > 0, "should have one or more memory pools");
_last_gc_stat = new(ResourceObj::C_HEAP) GCStatInfo(MemoryService::num_memory_pools());
_current_gc_stat = new(ResourceObj::C_HEAP) GCStatInfo(MemoryService::num_memory_pools());
_last_gc_stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(MemoryService::num_memory_pools());
_current_gc_stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(MemoryService::num_memory_pools());
// tracking concurrent collections we need two objects: one to update, and one to
// hold the publicly available "last (completed) gc" information.
}