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8015774: Add support for multiple code heaps

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Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.

Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla
This commit is contained in:
Tobias Hartmann 2014-09-17 08:00:07 +02:00
parent b2620f89c3
commit cd01de591a
51 changed files with 1756 additions and 680 deletions
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15
hotspot/src/share/vm/services/memoryService.hpp
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@ -53,7 +53,8 @@ class MemoryService : public AllStatic {
private:
enum {
init_pools_list_size = 10,
init_managers_list_size = 5
init_managers_list_size = 5,
init_code_heap_pools_size = 9
};
// index for minor and major generations
@ -70,8 +71,9 @@ private:
static GCMemoryManager* _major_gc_manager;
static GCMemoryManager* _minor_gc_manager;
// Code heap memory pool
static MemoryPool* _code_heap_pool;
// memory manager and code heap pools for the CodeCache
static MemoryManager* _code_cache_manager;
static GrowableArray<MemoryPool*>* _code_heap_pools;
static MemoryPool* _metaspace_pool;
static MemoryPool* _compressed_class_pool;
@ -123,7 +125,7 @@ private:
public:
static void set_universe_heap(CollectedHeap* heap);
static void add_code_heap_memory_pool(CodeHeap* heap);
static void add_code_heap_memory_pool(CodeHeap* heap, const char* name);
static void add_metaspace_memory_pools();
static MemoryPool* get_memory_pool(instanceHandle pool);
@ -146,7 +148,10 @@ public:
static void track_memory_usage();
static void track_code_cache_memory_usage() {
track_memory_pool_usage(_code_heap_pool);
// Track memory pool usage of all CodeCache memory pools
for (int i = 0; i < _code_heap_pools->length(); ++i) {
track_memory_pool_usage(_code_heap_pools->at(i));
}
}
static void track_metaspace_memory_usage() {
track_memory_pool_usage(_metaspace_pool);