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Jiangli Zhou 2015-11-23 14:38:20 -05:00
commit 6ca042cb32
29 changed files with 868 additions and 367 deletions
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76
hotspot/src/share/vm/memory/metaspaceShared.hpp
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@ -32,14 +32,55 @@
#include "utilities/exceptions.hpp"
#include "utilities/macros.hpp"
#define LargeSharedArchiveSize (300*M)
#define HugeSharedArchiveSize (800*M)
#define ReadOnlyRegionPercentage 0.4
#define ReadWriteRegionPercentage 0.55
#define MiscDataRegionPercentage 0.03
#define MiscCodeRegionPercentage 0.02
#define LargeThresholdClassCount 5000
#define HugeThresholdClassCount 40000
#define DEFAULT_VTBL_LIST_SIZE (17) // number of entries in the shared space vtable list.
#define DEFAULT_VTBL_VIRTUALS_COUNT (200) // maximum number of virtual functions
// If virtual functions are added to Metadata,
// this number needs to be increased. Also,
// SharedMiscCodeSize will need to be increased.
// The following 2 sizes were based on
// MetaspaceShared::generate_vtable_methods()
#define DEFAULT_VTBL_METHOD_SIZE (16) // conservative size of the mov1 and jmp instructions
// for the x64 platform
#define DEFAULT_VTBL_COMMON_CODE_SIZE (1*K) // conservative size of the "common_code" for the x64 platform
#define DEFAULT_SHARED_READ_WRITE_SIZE (NOT_LP64(12*M) LP64_ONLY(16*M))
#define MIN_SHARED_READ_WRITE_SIZE (NOT_LP64(7*M) LP64_ONLY(12*M))
#define DEFAULT_SHARED_READ_ONLY_SIZE (NOT_LP64(12*M) LP64_ONLY(16*M))
#define MIN_SHARED_READ_ONLY_SIZE (NOT_LP64(8*M) LP64_ONLY(9*M))
// the MIN_SHARED_MISC_DATA_SIZE and MIN_SHARED_MISC_CODE_SIZE estimates are based on
// MetaspaceShared::generate_vtable_methods().
// The minimum size only accounts for the vtable methods. Any size less than the
// minimum required size would cause vm crash when allocating the vtable methods.
#define SHARED_MISC_SIZE_FOR(size) (DEFAULT_VTBL_VIRTUALS_COUNT*DEFAULT_VTBL_LIST_SIZE*size)
#define DEFAULT_SHARED_MISC_DATA_SIZE (NOT_LP64(2*M) LP64_ONLY(4*M))
#define MIN_SHARED_MISC_DATA_SIZE (SHARED_MISC_SIZE_FOR(sizeof(void*)))
#define DEFAULT_SHARED_MISC_CODE_SIZE (120*K)
#define MIN_SHARED_MISC_CODE_SIZE (SHARED_MISC_SIZE_FOR(sizeof(void*))+SHARED_MISC_SIZE_FOR(DEFAULT_VTBL_METHOD_SIZE)+DEFAULT_VTBL_COMMON_CODE_SIZE)
#define DEFAULT_COMBINED_SIZE (DEFAULT_SHARED_READ_WRITE_SIZE+DEFAULT_SHARED_READ_ONLY_SIZE+DEFAULT_SHARED_MISC_DATA_SIZE+DEFAULT_SHARED_MISC_CODE_SIZE)
// the max size is the MAX size (ie. 0x7FFFFFFF) - the total size of
// the other 3 sections - page size (to avoid overflow in case the final
// size will get aligned up on page size)
#define SHARED_PAGE ((size_t)os::vm_page_size())
#define MAX_SHARED_DELTA (0x7FFFFFFF)
#define MAX_SHARED_READ_WRITE_SIZE (MAX_SHARED_DELTA-(MIN_SHARED_READ_ONLY_SIZE+MIN_SHARED_MISC_DATA_SIZE+MIN_SHARED_MISC_CODE_SIZE)-SHARED_PAGE)
#define MAX_SHARED_READ_ONLY_SIZE (MAX_SHARED_DELTA-(MIN_SHARED_READ_WRITE_SIZE+MIN_SHARED_MISC_DATA_SIZE+MIN_SHARED_MISC_CODE_SIZE)-SHARED_PAGE)
#define MAX_SHARED_MISC_DATA_SIZE (MAX_SHARED_DELTA-(MIN_SHARED_READ_WRITE_SIZE+MIN_SHARED_READ_ONLY_SIZE+MIN_SHARED_MISC_CODE_SIZE)-SHARED_PAGE)
#define MAX_SHARED_MISC_CODE_SIZE (MAX_SHARED_DELTA-(MIN_SHARED_READ_WRITE_SIZE+MIN_SHARED_READ_ONLY_SIZE+MIN_SHARED_MISC_DATA_SIZE)-SHARED_PAGE)
#define LargeSharedArchiveSize (300*M)
#define HugeSharedArchiveSize (800*M)
#define ReadOnlyRegionPercentage 0.4
#define ReadWriteRegionPercentage 0.55
#define MiscDataRegionPercentage 0.03
#define MiscCodeRegionPercentage 0.02
#define LargeThresholdClassCount 5000
#define HugeThresholdClassCount 40000
#define SET_ESTIMATED_SIZE(type, region) \
Shared ##region## Size = FLAG_IS_DEFAULT(Shared ##region## Size) ? \
@ -69,21 +110,10 @@ class MetaspaceShared : AllStatic {
static bool _archive_loading_failed;
public:
enum {
vtbl_list_size = 17, // number of entries in the shared space vtable list.
num_virtuals = 200, // maximum number of virtual functions
// If virtual functions are added to Metadata,
// this number needs to be increased. Also,
// SharedMiscCodeSize will need to be increased.
// The following 2 sizes were based on
// MetaspaceShared::generate_vtable_methods()
vtbl_method_size = 16, // conservative size of the mov1 and jmp instructions
// for the x64 platform
vtbl_common_code_size = (1*K) // conservative size of the "common_code" for the x64 platform
};
enum {
min_ro_size = NOT_LP64(8*M) LP64_ONLY(9*M), // minimum ro and rw regions sizes based on dumping
min_rw_size = NOT_LP64(7*M) LP64_ONLY(12*M) // of a shared archive using the default classlist
vtbl_list_size = DEFAULT_VTBL_LIST_SIZE,
num_virtuals = DEFAULT_VTBL_VIRTUALS_COUNT,
vtbl_method_size = DEFAULT_VTBL_METHOD_SIZE,
vtbl_common_code_size = DEFAULT_VTBL_COMMON_CODE_SIZE
};
enum {