Mercurial > hg > truffle
annotate src/share/vm/memory/metaspaceTracer.cpp @ 17977:0b9500028980
8029381: assert(is_method_type()) failed: bad cast
Summary: Access to method_type and appendix from constant pool (cpcache) needs to be guarded by is_f1_null() because of racy update/initialization.
Reviewed-by: kvn, coleenp, jrose
author | drchase |
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date | Mon, 02 Jun 2014 14:32:29 -0400 |
parents | 794399f4f5d9 |
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1 /* |
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "classfile/classLoaderData.hpp" |
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27 #include "memory/metaspaceTracer.hpp" |
17779 | 28 #include "oops/oop.inline.hpp" |
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29 #include "trace/tracing.hpp" |
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30 #include "trace/traceBackend.hpp" |
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31 |
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32 void MetaspaceTracer::report_gc_threshold(size_t old_val, |
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33 size_t new_val, |
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34 MetaspaceGCThresholdUpdater::Type updater) const { |
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35 EventMetaspaceGCThreshold event; |
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36 if (event.should_commit()) { |
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37 event.set_oldValue(old_val); |
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38 event.set_newValue(new_val); |
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39 event.set_updater((u1)updater); |
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40 event.commit(); |
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41 } |
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42 } |
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43 |
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44 void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld, |
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45 size_t word_size, |
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46 MetaspaceObj::Type objtype, |
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47 Metaspace::MetadataType mdtype) const { |
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48 send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype); |
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49 } |
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50 |
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51 void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld, |
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52 size_t word_size, |
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53 MetaspaceObj::Type objtype, |
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54 Metaspace::MetadataType mdtype) const { |
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55 send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype); |
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56 } |
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57 |
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58 template <typename E> |
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59 void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld, |
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60 size_t word_size, |
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61 MetaspaceObj::Type objtype, |
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62 Metaspace::MetadataType mdtype) const { |
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63 E event; |
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64 if (event.should_commit()) { |
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65 if (cld->is_anonymous()) { |
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66 event.set_classLoader(NULL); |
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67 event.set_anonymousClassLoader(true); |
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68 } else { |
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69 if (cld->is_the_null_class_loader_data()) { |
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70 event.set_classLoader((Klass*) NULL); |
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71 } else { |
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72 event.set_classLoader(cld->class_loader()->klass()); |
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73 } |
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74 event.set_anonymousClassLoader(false); |
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75 } |
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76 |
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77 event.set_size(word_size * BytesPerWord); |
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78 event.set_metadataType((u1) mdtype); |
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79 event.set_metaspaceObjectType((u1) objtype); |
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80 event.commit(); |
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81 } |
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82 } |