Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/metaspace.cpp
src/share/vm/memory/metaspace.cpp
- changeset 6417
- daef39043d2c
- parent 6337
- ab36007d6358
- child 6418
- bc7714614ad8
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replaced
| 6416:537c8e21b118 | 6417:daef39043d2c |
|---|---|
| 30 #include "memory/filemap.hpp" | 30 #include "memory/filemap.hpp" |
| 31 #include "memory/freeList.hpp" | 31 #include "memory/freeList.hpp" |
| 32 #include "memory/gcLocker.hpp" | 32 #include "memory/gcLocker.hpp" |
| 33 #include "memory/metachunk.hpp" | 33 #include "memory/metachunk.hpp" |
| 34 #include "memory/metaspace.hpp" | 34 #include "memory/metaspace.hpp" |
| 35 #include "memory/metaspaceGCThresholdUpdater.hpp" | |
| 35 #include "memory/metaspaceShared.hpp" | 36 #include "memory/metaspaceShared.hpp" |
| 37 #include "memory/metaspaceTracer.hpp" | |
| 36 #include "memory/resourceArea.hpp" | 38 #include "memory/resourceArea.hpp" |
| 37 #include "memory/universe.hpp" | 39 #include "memory/universe.hpp" |
| 38 #include "runtime/atomic.inline.hpp" | 40 #include "runtime/atomic.inline.hpp" |
| 39 #include "runtime/globals.hpp" | 41 #include "runtime/globals.hpp" |
| 40 #include "runtime/init.hpp" | 42 #include "runtime/init.hpp" |
| 55 size_t const allocation_from_dictionary_limit = 4 * K; | 57 size_t const allocation_from_dictionary_limit = 4 * K; |
| 56 | 58 |
| 57 MetaWord* last_allocated = 0; | 59 MetaWord* last_allocated = 0; |
| 58 | 60 |
| 59 size_t Metaspace::_compressed_class_space_size; | 61 size_t Metaspace::_compressed_class_space_size; |
| 62 const MetaspaceTracer* Metaspace::_tracer = NULL; | |
| 60 | 63 |
| 61 // Used in declarations in SpaceManager and ChunkManager | 64 // Used in declarations in SpaceManager and ChunkManager |
| 62 enum ChunkIndex { | 65 enum ChunkIndex { |
| 63 ZeroIndex = 0, | 66 ZeroIndex = 0, |
| 64 SpecializedIndex = ZeroIndex, | 67 SpecializedIndex = ZeroIndex, |
| 1434 // increment the HWM. | 1437 // increment the HWM. |
| 1435 size_t expand_bytes = minimum_desired_capacity - capacity_until_GC; | 1438 size_t expand_bytes = minimum_desired_capacity - capacity_until_GC; |
| 1436 expand_bytes = align_size_up(expand_bytes, Metaspace::commit_alignment()); | 1439 expand_bytes = align_size_up(expand_bytes, Metaspace::commit_alignment()); |
| 1437 // Don't expand unless it's significant | 1440 // Don't expand unless it's significant |
| 1438 if (expand_bytes >= MinMetaspaceExpansion) { | 1441 if (expand_bytes >= MinMetaspaceExpansion) { |
| 1439 MetaspaceGC::inc_capacity_until_GC(expand_bytes); | 1442 size_t new_capacity_until_GC = MetaspaceGC::inc_capacity_until_GC(expand_bytes); |
| 1440 } | 1443 Metaspace::tracer()->report_gc_threshold(capacity_until_GC, |
| 1441 if (PrintGCDetails && Verbose) { | 1444 new_capacity_until_GC, |
| 1442 size_t new_capacity_until_GC = capacity_until_GC; | 1445 MetaspaceGCThresholdUpdater::ComputeNewSize); |
| 1443 gclog_or_tty->print_cr(" expanding:" | 1446 if (PrintGCDetails && Verbose) { |
| 1444 " minimum_desired_capacity: %6.1fKB" | 1447 gclog_or_tty->print_cr(" expanding:" |
| 1445 " expand_bytes: %6.1fKB" | 1448 " minimum_desired_capacity: %6.1fKB" |
| 1446 " MinMetaspaceExpansion: %6.1fKB" | 1449 " expand_bytes: %6.1fKB" |
| 1447 " new metaspace HWM: %6.1fKB", | 1450 " MinMetaspaceExpansion: %6.1fKB" |
| 1448 minimum_desired_capacity / (double) K, | 1451 " new metaspace HWM: %6.1fKB", |
| 1449 expand_bytes / (double) K, | 1452 minimum_desired_capacity / (double) K, |
| 1450 MinMetaspaceExpansion / (double) K, | 1453 expand_bytes / (double) K, |
| 1451 new_capacity_until_GC / (double) K); | 1454 MinMetaspaceExpansion / (double) K, |
| 1455 new_capacity_until_GC / (double) K); | |
| 1456 } | |
| 1452 } | 1457 } |
| 1453 return; | 1458 return; |
| 1454 } | 1459 } |
| 1455 | 1460 |
| 1456 // No expansion, now see if we want to shrink | 1461 // No expansion, now see if we want to shrink |
| 1525 } | 1530 } |
| 1526 | 1531 |
| 1527 // Don't shrink unless it's significant | 1532 // Don't shrink unless it's significant |
| 1528 if (shrink_bytes >= MinMetaspaceExpansion && | 1533 if (shrink_bytes >= MinMetaspaceExpansion && |
| 1529 ((capacity_until_GC - shrink_bytes) >= MetaspaceSize)) { | 1534 ((capacity_until_GC - shrink_bytes) >= MetaspaceSize)) { |
| 1530 MetaspaceGC::dec_capacity_until_GC(shrink_bytes); | 1535 size_t new_capacity_until_GC = MetaspaceGC::dec_capacity_until_GC(shrink_bytes); |
| 1536 Metaspace::tracer()->report_gc_threshold(capacity_until_GC, | |
| 1537 new_capacity_until_GC, | |
| 1538 MetaspaceGCThresholdUpdater::ComputeNewSize); | |
| 1531 } | 1539 } |
| 1532 } | 1540 } |
| 1533 | 1541 |
| 1534 // Metadebug methods | 1542 // Metadebug methods |
| 1535 | 1543 |
| 3129 vm_exit_during_initialization("Unable to setup metadata virtual space list.", NULL); | 3137 vm_exit_during_initialization("Unable to setup metadata virtual space list.", NULL); |
| 3130 } | 3138 } |
| 3131 } | 3139 } |
| 3132 | 3140 |
| 3133 MetaspaceGC::initialize(); | 3141 MetaspaceGC::initialize(); |
| 3142 _tracer = new MetaspaceTracer(); | |
| 3134 } | 3143 } |
| 3135 | 3144 |
| 3136 Metachunk* Metaspace::get_initialization_chunk(MetadataType mdtype, | 3145 Metachunk* Metaspace::get_initialization_chunk(MetadataType mdtype, |
| 3137 size_t chunk_word_size, | 3146 size_t chunk_word_size, |
| 3138 size_t chunk_bunch) { | 3147 size_t chunk_bunch) { |
| 3217 MetaWord* Metaspace::expand_and_allocate(size_t word_size, MetadataType mdtype) { | 3226 MetaWord* Metaspace::expand_and_allocate(size_t word_size, MetadataType mdtype) { |
| 3218 size_t delta_bytes = MetaspaceGC::delta_capacity_until_GC(word_size * BytesPerWord); | 3227 size_t delta_bytes = MetaspaceGC::delta_capacity_until_GC(word_size * BytesPerWord); |
| 3219 assert(delta_bytes > 0, "Must be"); | 3228 assert(delta_bytes > 0, "Must be"); |
| 3220 | 3229 |
| 3221 size_t after_inc = MetaspaceGC::inc_capacity_until_GC(delta_bytes); | 3230 size_t after_inc = MetaspaceGC::inc_capacity_until_GC(delta_bytes); |
| 3231 | |
| 3232 // capacity_until_GC might be updated concurrently, must calculate previous value. | |
| 3222 size_t before_inc = after_inc - delta_bytes; | 3233 size_t before_inc = after_inc - delta_bytes; |
| 3223 | 3234 |
| 3235 tracer()->report_gc_threshold(before_inc, after_inc, | |
| 3236 MetaspaceGCThresholdUpdater::ExpandAndAllocate); | |
| 3224 if (PrintGCDetails && Verbose) { | 3237 if (PrintGCDetails && Verbose) { |
| 3225 gclog_or_tty->print_cr("Increase capacity to GC from " SIZE_FORMAT | 3238 gclog_or_tty->print_cr("Increase capacity to GC from " SIZE_FORMAT |
| 3226 " to " SIZE_FORMAT, before_inc, after_inc); | 3239 " to " SIZE_FORMAT, before_inc, after_inc); |
| 3227 } | 3240 } |
| 3228 | 3241 |
