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comparison src/share/vm/memory/universe.cpp @ 11064:de2d15ce3d4a

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8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty Summary: Allocate medium chunks for class metaspace when class loader has lots of classes Reviewed-by: mgerdin, jmasa
author coleenp
date Tue, 02 Jul 2013 08:42:37 -0400
parents ef57c43512d6
children cedf20e2a655
comparison
equal deleted inserted replaced
11028:b3cd8b58b798 11064:de2d15ce3d4a
108 oop Universe::_the_min_jint_string = NULL; 108 oop Universe::_the_min_jint_string = NULL;
109 LatestMethodOopCache* Universe::_finalizer_register_cache = NULL; 109 LatestMethodOopCache* Universe::_finalizer_register_cache = NULL;
110 LatestMethodOopCache* Universe::_loader_addClass_cache = NULL; 110 LatestMethodOopCache* Universe::_loader_addClass_cache = NULL;
111 ActiveMethodOopsCache* Universe::_reflect_invoke_cache = NULL; 111 ActiveMethodOopsCache* Universe::_reflect_invoke_cache = NULL;
112 oop Universe::_out_of_memory_error_java_heap = NULL; 112 oop Universe::_out_of_memory_error_java_heap = NULL;
113 oop Universe::_out_of_memory_error_perm_gen = NULL; 113 oop Universe::_out_of_memory_error_metaspace = NULL;
114 oop Universe::_out_of_memory_error_class_metaspace = NULL;
114 oop Universe::_out_of_memory_error_array_size = NULL; 115 oop Universe::_out_of_memory_error_array_size = NULL;
115 oop Universe::_out_of_memory_error_gc_overhead_limit = NULL; 116 oop Universe::_out_of_memory_error_gc_overhead_limit = NULL;
116 objArrayOop Universe::_preallocated_out_of_memory_error_array = NULL; 117 objArrayOop Universe::_preallocated_out_of_memory_error_array = NULL;
117 volatile jint Universe::_preallocated_out_of_memory_error_avail_count = 0; 118 volatile jint Universe::_preallocated_out_of_memory_error_avail_count = 0;
118 bool Universe::_verify_in_progress = false; 119 bool Universe::_verify_in_progress = false;
177 178
178 f->do_oop((oop*)&_the_empty_class_klass_array); 179 f->do_oop((oop*)&_the_empty_class_klass_array);
179 f->do_oop((oop*)&_the_null_string); 180 f->do_oop((oop*)&_the_null_string);
180 f->do_oop((oop*)&_the_min_jint_string); 181 f->do_oop((oop*)&_the_min_jint_string);
181 f->do_oop((oop*)&_out_of_memory_error_java_heap); 182 f->do_oop((oop*)&_out_of_memory_error_java_heap);
182 f->do_oop((oop*)&_out_of_memory_error_perm_gen); 183 f->do_oop((oop*)&_out_of_memory_error_metaspace);
184 f->do_oop((oop*)&_out_of_memory_error_class_metaspace);
183 f->do_oop((oop*)&_out_of_memory_error_array_size); 185 f->do_oop((oop*)&_out_of_memory_error_array_size);
184 f->do_oop((oop*)&_out_of_memory_error_gc_overhead_limit); 186 f->do_oop((oop*)&_out_of_memory_error_gc_overhead_limit);
185 f->do_oop((oop*)&_preallocated_out_of_memory_error_array); 187 f->do_oop((oop*)&_preallocated_out_of_memory_error_array);
186 f->do_oop((oop*)&_null_ptr_exception_instance); 188 f->do_oop((oop*)&_null_ptr_exception_instance);
187 f->do_oop((oop*)&_arithmetic_exception_instance); 189 f->do_oop((oop*)&_arithmetic_exception_instance);
559 // backtrace. These errors are kept alive forever and may be "re-used" when all 561 // backtrace. These errors are kept alive forever and may be "re-used" when all
560 // preallocated errors with backtrace have been consumed. Also need to avoid 562 // preallocated errors with backtrace have been consumed. Also need to avoid
561 // a potential loop which could happen if an out of memory occurs when attempting 563 // a potential loop which could happen if an out of memory occurs when attempting
562 // to allocate the backtrace. 564 // to allocate the backtrace.
563 return ((throwable() != Universe::_out_of_memory_error_java_heap) && 565 return ((throwable() != Universe::_out_of_memory_error_java_heap) &&
564 (throwable() != Universe::_out_of_memory_error_perm_gen) && 566 (throwable() != Universe::_out_of_memory_error_metaspace) &&
567 (throwable() != Universe::_out_of_memory_error_class_metaspace) &&
565 (throwable() != Universe::_out_of_memory_error_array_size) && 568 (throwable() != Universe::_out_of_memory_error_array_size) &&
566 (throwable() != Universe::_out_of_memory_error_gc_overhead_limit)); 569 (throwable() != Universe::_out_of_memory_error_gc_overhead_limit));
567 } 570 }
568 571
569 572
1009 1012
1010 // Setup preallocated OutOfMemoryError errors 1013 // Setup preallocated OutOfMemoryError errors
1011 k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_OutOfMemoryError(), true, CHECK_false); 1014 k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_OutOfMemoryError(), true, CHECK_false);
1012 k_h = instanceKlassHandle(THREAD, k); 1015 k_h = instanceKlassHandle(THREAD, k);
1013 Universe::_out_of_memory_error_java_heap = k_h->allocate_instance(CHECK_false); 1016 Universe::_out_of_memory_error_java_heap = k_h->allocate_instance(CHECK_false);
1014 Universe::_out_of_memory_error_perm_gen = k_h->allocate_instance(CHECK_false); 1017 Universe::_out_of_memory_error_metaspace = k_h->allocate_instance(CHECK_false);
1018 Universe::_out_of_memory_error_class_metaspace = k_h->allocate_instance(CHECK_false);
1015 Universe::_out_of_memory_error_array_size = k_h->allocate_instance(CHECK_false); 1019 Universe::_out_of_memory_error_array_size = k_h->allocate_instance(CHECK_false);
1016 Universe::_out_of_memory_error_gc_overhead_limit = 1020 Universe::_out_of_memory_error_gc_overhead_limit =
1017 k_h->allocate_instance(CHECK_false); 1021 k_h->allocate_instance(CHECK_false);
1018 1022
1019 // Setup preallocated NullPointerException 1023 // Setup preallocated NullPointerException
1042 // We prefer to not handle this generally, so we always reinitialize these detail messages. 1046 // We prefer to not handle this generally, so we always reinitialize these detail messages.
1043 Handle msg = java_lang_String::create_from_str("Java heap space", CHECK_false); 1047 Handle msg = java_lang_String::create_from_str("Java heap space", CHECK_false);
1044 java_lang_Throwable::set_message(Universe::_out_of_memory_error_java_heap, msg()); 1048 java_lang_Throwable::set_message(Universe::_out_of_memory_error_java_heap, msg());
1045 1049
1046 msg = java_lang_String::create_from_str("Metadata space", CHECK_false); 1050 msg = java_lang_String::create_from_str("Metadata space", CHECK_false);
1047 java_lang_Throwable::set_message(Universe::_out_of_memory_error_perm_gen, msg()); 1051 java_lang_Throwable::set_message(Universe::_out_of_memory_error_metaspace, msg());
1052 msg = java_lang_String::create_from_str("Class Metadata space", CHECK_false);
1053 java_lang_Throwable::set_message(Universe::_out_of_memory_error_class_metaspace, msg());
1048 1054
1049 msg = java_lang_String::create_from_str("Requested array size exceeds VM limit", CHECK_false); 1055 msg = java_lang_String::create_from_str("Requested array size exceeds VM limit", CHECK_false);
1050 java_lang_Throwable::set_message(Universe::_out_of_memory_error_array_size, msg()); 1056 java_lang_Throwable::set_message(Universe::_out_of_memory_error_array_size, msg());
1051 1057
1052 msg = java_lang_String::create_from_str("GC overhead limit exceeded", CHECK_false); 1058 msg = java_lang_String::create_from_str("GC overhead limit exceeded", CHECK_false);