Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
- changeset 7781
- 33e421924c67
- parent 7686
- fb69749583e8
- child 7782
- 30e04eba9e29
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replaced
| 7780:5788dbd1f2d6 | 7781:33e421924c67 |
|---|---|
| 1902 NOT_PRODUCT(reset_evacuation_should_fail();) | 1902 NOT_PRODUCT(reset_evacuation_should_fail();) |
| 1903 | 1903 |
| 1904 guarantee(_task_queues != NULL, "task_queues allocation failure."); | 1904 guarantee(_task_queues != NULL, "task_queues allocation failure."); |
| 1905 } | 1905 } |
| 1906 | 1906 |
| 1907 G1RegionToSpaceMapper* G1CollectedHeap::create_aux_memory_mapper(const char* description, | |
| 1908 size_t size, | |
| 1909 size_t translation_factor) { | |
| 1910 // Allocate a new reserved space, preferring to use large pages. | |
| 1911 ReservedSpace rs(size, true); | |
| 1912 G1RegionToSpaceMapper* result = | |
| 1913 G1RegionToSpaceMapper::create_mapper(rs, | |
| 1914 size, | |
| 1915 rs.alignment(), | |
| 1916 HeapRegion::GrainBytes, | |
| 1917 translation_factor, | |
| 1918 mtGC); | |
| 1919 if (TracePageSizes) { | |
| 1920 gclog_or_tty->print_cr("G1 '%s': pg_sz=" SIZE_FORMAT " base=" PTR_FORMAT " size=" SIZE_FORMAT " alignment=" SIZE_FORMAT " reqsize=" SIZE_FORMAT, | |
| 1921 description, rs.alignment(), p2i(rs.base()), rs.size(), rs.alignment(), size); | |
| 1922 } | |
| 1923 return result; | |
| 1924 } | |
| 1925 | |
| 1907 jint G1CollectedHeap::initialize() { | 1926 jint G1CollectedHeap::initialize() { |
| 1908 CollectedHeap::pre_initialize(); | 1927 CollectedHeap::pre_initialize(); |
| 1909 os::enable_vtime(); | 1928 os::enable_vtime(); |
| 1910 | 1929 |
| 1911 G1Log::init(); | 1930 G1Log::init(); |
| 1975 // Carve out the G1 part of the heap. | 1994 // Carve out the G1 part of the heap. |
| 1976 | 1995 |
| 1977 ReservedSpace g1_rs = heap_rs.first_part(max_byte_size); | 1996 ReservedSpace g1_rs = heap_rs.first_part(max_byte_size); |
| 1978 G1RegionToSpaceMapper* heap_storage = | 1997 G1RegionToSpaceMapper* heap_storage = |
| 1979 G1RegionToSpaceMapper::create_mapper(g1_rs, | 1998 G1RegionToSpaceMapper::create_mapper(g1_rs, |
| 1999 g1_rs.size(), | |
| 1980 UseLargePages ? os::large_page_size() : os::vm_page_size(), | 2000 UseLargePages ? os::large_page_size() : os::vm_page_size(), |
| 1981 HeapRegion::GrainBytes, | 2001 HeapRegion::GrainBytes, |
| 1982 1, | 2002 1, |
| 1983 mtJavaHeap); | 2003 mtJavaHeap); |
| 1984 heap_storage->set_mapping_changed_listener(&_listener); | 2004 heap_storage->set_mapping_changed_listener(&_listener); |
| 1985 | 2005 |
| 1986 // Reserve space for the block offset table. We do not support automatic uncommit | 2006 // Create storage for the BOT, card table, card counts table (hot card cache) and the bitmaps. |
| 1987 // for the card table at this time. BOT only. | |
| 1988 ReservedSpace bot_rs(G1BlockOffsetSharedArray::compute_size(g1_rs.size() / HeapWordSize)); | |
| 1989 G1RegionToSpaceMapper* bot_storage = | 2007 G1RegionToSpaceMapper* bot_storage = |
| 1990 G1RegionToSpaceMapper::create_mapper(bot_rs, | 2008 create_aux_memory_mapper("Block offset table", |
| 1991 os::vm_page_size(), | 2009 G1BlockOffsetSharedArray::compute_size(g1_rs.size() / HeapWordSize), |
| 1992 HeapRegion::GrainBytes, | 2010 G1BlockOffsetSharedArray::N_bytes); |
| 1993 G1BlockOffsetSharedArray::N_bytes, | |
| 1994 mtGC); | |
| 1995 | 2011 |
| 1996 ReservedSpace cardtable_rs(G1SATBCardTableLoggingModRefBS::compute_size(g1_rs.size() / HeapWordSize)); | 2012 ReservedSpace cardtable_rs(G1SATBCardTableLoggingModRefBS::compute_size(g1_rs.size() / HeapWordSize)); |
| 1997 G1RegionToSpaceMapper* cardtable_storage = | 2013 G1RegionToSpaceMapper* cardtable_storage = |
| 1998 G1RegionToSpaceMapper::create_mapper(cardtable_rs, | 2014 create_aux_memory_mapper("Card table", |
| 1999 os::vm_page_size(), | 2015 G1SATBCardTableLoggingModRefBS::compute_size(g1_rs.size() / HeapWordSize), |
| 2000 HeapRegion::GrainBytes, | 2016 G1BlockOffsetSharedArray::N_bytes); |
| 2001 G1BlockOffsetSharedArray::N_bytes, | 2017 |
| 2002 mtGC); | |
| 2003 | |
| 2004 // Reserve space for the card counts table. | |
| 2005 ReservedSpace card_counts_rs(G1BlockOffsetSharedArray::compute_size(g1_rs.size() / HeapWordSize)); | |
| 2006 G1RegionToSpaceMapper* card_counts_storage = | 2018 G1RegionToSpaceMapper* card_counts_storage = |
| 2007 G1RegionToSpaceMapper::create_mapper(card_counts_rs, | 2019 create_aux_memory_mapper("Card counts table", |
| 2008 os::vm_page_size(), | 2020 G1BlockOffsetSharedArray::compute_size(g1_rs.size() / HeapWordSize), |
| 2009 HeapRegion::GrainBytes, | 2021 G1BlockOffsetSharedArray::N_bytes); |
| 2010 G1BlockOffsetSharedArray::N_bytes, | 2022 |
| 2011 mtGC); | |
| 2012 | |
| 2013 // Reserve space for prev and next bitmap. | |
| 2014 size_t bitmap_size = CMBitMap::compute_size(g1_rs.size()); | 2023 size_t bitmap_size = CMBitMap::compute_size(g1_rs.size()); |
| 2015 | |
| 2016 ReservedSpace prev_bitmap_rs(ReservedSpace::allocation_align_size_up(bitmap_size)); | |
| 2017 G1RegionToSpaceMapper* prev_bitmap_storage = | 2024 G1RegionToSpaceMapper* prev_bitmap_storage = |
| 2018 G1RegionToSpaceMapper::create_mapper(prev_bitmap_rs, | 2025 create_aux_memory_mapper("Prev Bitmap", bitmap_size, CMBitMap::mark_distance()); |
| 2019 os::vm_page_size(), | |
| 2020 HeapRegion::GrainBytes, | |
| 2021 CMBitMap::mark_distance(), | |
| 2022 mtGC); | |
| 2023 | |
| 2024 ReservedSpace next_bitmap_rs(ReservedSpace::allocation_align_size_up(bitmap_size)); | |
| 2025 G1RegionToSpaceMapper* next_bitmap_storage = | 2026 G1RegionToSpaceMapper* next_bitmap_storage = |
| 2026 G1RegionToSpaceMapper::create_mapper(next_bitmap_rs, | 2027 create_aux_memory_mapper("Next Bitmap", bitmap_size, CMBitMap::mark_distance()); |
| 2027 os::vm_page_size(), | |
| 2028 HeapRegion::GrainBytes, | |
| 2029 CMBitMap::mark_distance(), | |
| 2030 mtGC); | |
| 2031 | 2028 |
| 2032 _hrm.initialize(heap_storage, prev_bitmap_storage, next_bitmap_storage, bot_storage, cardtable_storage, card_counts_storage); | 2029 _hrm.initialize(heap_storage, prev_bitmap_storage, next_bitmap_storage, bot_storage, cardtable_storage, card_counts_storage); |
| 2033 g1_barrier_set()->initialize(cardtable_storage); | 2030 g1_barrier_set()->initialize(cardtable_storage); |
| 2034 // Do later initialization work for concurrent refinement. | 2031 // Do later initialization work for concurrent refinement. |
| 2035 _cg1r->init(card_counts_storage); | 2032 _cg1r->init(card_counts_storage); |
