Thu, 26 Jun 2014 11:36:58 +0200
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
ehelin@6417 | 1 | /* |
ehelin@6417 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
ehelin@6417 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ehelin@6417 | 4 | * |
ehelin@6417 | 5 | * This code is free software; you can redistribute it and/or modify it |
ehelin@6417 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ehelin@6417 | 7 | * published by the Free Software Foundation. |
ehelin@6417 | 8 | * |
ehelin@6417 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ehelin@6417 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ehelin@6417 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ehelin@6417 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
ehelin@6417 | 13 | * accompanied this code). |
ehelin@6417 | 14 | * |
ehelin@6417 | 15 | * You should have received a copy of the GNU General Public License version |
ehelin@6417 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
ehelin@6417 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ehelin@6417 | 18 | * |
ehelin@6417 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ehelin@6417 | 20 | * or visit www.oracle.com if you need additional information or have any |
ehelin@6417 | 21 | * questions. |
ehelin@6417 | 22 | * |
ehelin@6417 | 23 | */ |
ehelin@6417 | 24 | |
ehelin@6417 | 25 | #include "precompiled.hpp" |
ehelin@6418 | 26 | #include "classfile/classLoaderData.hpp" |
ehelin@6417 | 27 | #include "memory/metaspaceTracer.hpp" |
ehelin@6428 | 28 | #include "oops/oop.inline.hpp" |
ehelin@6417 | 29 | #include "trace/tracing.hpp" |
ehelin@6417 | 30 | #include "trace/traceBackend.hpp" |
ehelin@6417 | 31 | |
ehelin@6417 | 32 | void MetaspaceTracer::report_gc_threshold(size_t old_val, |
ehelin@6417 | 33 | size_t new_val, |
ehelin@6417 | 34 | MetaspaceGCThresholdUpdater::Type updater) const { |
ehelin@6417 | 35 | EventMetaspaceGCThreshold event; |
ehelin@6417 | 36 | if (event.should_commit()) { |
ehelin@6417 | 37 | event.set_oldValue(old_val); |
ehelin@6417 | 38 | event.set_newValue(new_val); |
ehelin@6417 | 39 | event.set_updater((u1)updater); |
ehelin@6417 | 40 | event.commit(); |
ehelin@6417 | 41 | } |
ehelin@6417 | 42 | } |
ehelin@6418 | 43 | |
ehelin@6418 | 44 | void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld, |
ehelin@6418 | 45 | size_t word_size, |
ehelin@6418 | 46 | MetaspaceObj::Type objtype, |
ehelin@6418 | 47 | Metaspace::MetadataType mdtype) const { |
ehelin@6419 | 48 | send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype); |
ehelin@6419 | 49 | } |
ehelin@6419 | 50 | |
ehelin@6419 | 51 | void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld, |
ehelin@6419 | 52 | size_t word_size, |
ehelin@6419 | 53 | MetaspaceObj::Type objtype, |
ehelin@6419 | 54 | Metaspace::MetadataType mdtype) const { |
ehelin@6419 | 55 | send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype); |
ehelin@6419 | 56 | } |
ehelin@6419 | 57 | |
ehelin@6419 | 58 | template <typename E> |
ehelin@6419 | 59 | void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld, |
ehelin@6419 | 60 | size_t word_size, |
ehelin@6419 | 61 | MetaspaceObj::Type objtype, |
ehelin@6419 | 62 | Metaspace::MetadataType mdtype) const { |
ehelin@6419 | 63 | E event; |
ehelin@6418 | 64 | if (event.should_commit()) { |
ehelin@6418 | 65 | if (cld->is_anonymous()) { |
ehelin@6418 | 66 | event.set_classLoader(NULL); |
ehelin@6418 | 67 | event.set_anonymousClassLoader(true); |
ehelin@6418 | 68 | } else { |
ehelin@6418 | 69 | if (cld->is_the_null_class_loader_data()) { |
ehelin@6418 | 70 | event.set_classLoader((Klass*) NULL); |
ehelin@6418 | 71 | } else { |
ehelin@6418 | 72 | event.set_classLoader(cld->class_loader()->klass()); |
ehelin@6418 | 73 | } |
ehelin@6418 | 74 | event.set_anonymousClassLoader(false); |
ehelin@6418 | 75 | } |
ehelin@6418 | 76 | |
ehelin@6418 | 77 | event.set_size(word_size * BytesPerWord); |
ehelin@6418 | 78 | event.set_metadataType((u1) mdtype); |
ehelin@6418 | 79 | event.set_metaspaceObjectType((u1) objtype); |
ehelin@6418 | 80 | event.commit(); |
ehelin@6418 | 81 | } |
ehelin@6418 | 82 | } |