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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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3
hotspot/src/share/vm/code/codeCache.hpp
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@ -88,6 +88,9 @@ class CodeCache : AllStatic {
// Lookup that does not fail if you lookup a zombie method (if you call this, be sure to know
// what you are doing)
static CodeBlob* find_blob_unsafe(void* start) {
// NMT can walk the stack before code cache is created
if (_heap == NULL) return NULL;
CodeBlob* result = (CodeBlob*)_heap->find_start(start);
// this assert is too strong because the heap code will return the
// heapblock containing start. That block can often be larger than