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8064940: JMH javac performance regressions on solaris-sparcv9 in 9-b34

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Aligning code heap sizes to large page size if supported.

Reviewed-by: kvn, anoll
This commit is contained in:
Tobias Hartmann 2015-01-28 07:55:27 +01:00
parent fb0b5b0159
commit ad9c86bc97
3 changed files with 26 additions and 18 deletions
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3
hotspot/src/share/vm/code/codeCache.hpp
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@ -98,12 +98,13 @@ class CodeCache : AllStatic {
// CodeHeap management
static void initialize_heaps(); // Initializes the CodeHeaps
// Creates a new heap with the given name and size, containing CodeBlobs of the given type
static void add_heap(ReservedSpace rs, const char* name, size_t size_initial, int code_blob_type);
static void add_heap(ReservedSpace rs, const char* name, int code_blob_type);
static CodeHeap* get_code_heap(const CodeBlob* cb); // Returns the CodeHeap for the given CodeBlob
static CodeHeap* get_code_heap(int code_blob_type); // Returns the CodeHeap for the given CodeBlobType
// Returns the name of the VM option to set the size of the corresponding CodeHeap
static const char* get_code_heap_flag_name(int code_blob_type);
static bool heap_available(int code_blob_type); // Returns true if an own CodeHeap for the given CodeBlobType is available
static size_t heap_alignment(); // Returns the alignment of the CodeHeaps in bytes
static ReservedCodeSpace reserve_heap_memory(size_t size); // Reserves one continuous chunk of memory for the CodeHeaps
// Iteration