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annotate src/share/vm/memory/metaspaceTracer.cpp @ 20608:4cb90023bf2b

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8061651: Interface to the Lookup Index Cache to improve URLClassPath search time Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs Reviewed-by: mchung, acorn, jiangli, dholmes
author iklam
date Mon, 13 Oct 2014 16:09:57 -0700
parents 794399f4f5d9
children
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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"
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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 }