author | lfoltan |
Tue, 19 Jun 2018 07:54:11 -0400 | |
changeset 50634 | c349d409262a |
parent 50113 | caf115bb98ad |
child 51444 | 3e5d28e6de32 |
permissions | -rw-r--r-- |
50113 | 1 |
/* |
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* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "classfile/classLoaderData.inline.hpp" |
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#include "classfile/javaClasses.inline.hpp" |
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#include "classfile/moduleEntry.hpp" |
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#include "classfile/packageEntry.hpp" |
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#include "classfile/symbolTable.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "jfr/jfr.hpp" |
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#include "jfr/jni/jfrGetAllEventClasses.hpp" |
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#include "jfr/recorder/checkpoint/jfrCheckpointWriter.hpp" |
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#include "jfr/recorder/checkpoint/types/jfrTypeSet.hpp" |
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#include "jfr/recorder/checkpoint/types/jfrTypeSetUtils.hpp" |
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#include "jfr/recorder/checkpoint/types/jfrTypeSetWriter.hpp" |
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#include "jfr/recorder/checkpoint/types/traceid/jfrTraceId.inline.hpp" |
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#include "jfr/recorder/storage/jfrBuffer.hpp" |
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#include "jfr/utilities/jfrHashtable.hpp" |
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#include "jfr/utilities/jfrTypes.hpp" |
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#include "memory/iterator.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "utilities/accessFlags.hpp" |
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// incremented on each checkpoint |
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static u8 checkpoint_id = 0; |
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// creates a unique id by combining a checkpoint relative symbol id (2^24) |
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// with the current checkpoint id (2^40) |
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#define CREATE_SYMBOL_ID(sym_id) (((u8)((checkpoint_id << 24) | sym_id))) |
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||
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typedef const Klass* KlassPtr; |
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typedef const PackageEntry* PkgPtr; |
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typedef const ModuleEntry* ModPtr; |
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typedef const ClassLoaderData* CldPtr; |
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typedef const Method* MethodPtr; |
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typedef const Symbol* SymbolPtr; |
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typedef const JfrSymbolId::SymbolEntry* SymbolEntryPtr; |
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typedef const JfrSymbolId::CStringEntry* CStringEntryPtr; |
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static traceid module_id(PkgPtr pkg) { |
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assert(pkg != NULL, "invariant"); |
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ModPtr module_entry = pkg->module(); |
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return module_entry != NULL && module_entry->is_named() ? TRACE_ID(module_entry) : 0; |
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} |
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static traceid package_id(KlassPtr klass) { |
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assert(klass != NULL, "invariant"); |
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PkgPtr pkg_entry = klass->package(); |
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return pkg_entry == NULL ? 0 : TRACE_ID(pkg_entry); |
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} |
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static traceid cld_id(CldPtr cld) { |
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assert(cld != NULL, "invariant"); |
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return cld->is_anonymous() ? 0 : TRACE_ID(cld); |
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} |
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static void tag_leakp_klass_artifacts(KlassPtr k, bool class_unload) { |
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assert(k != NULL, "invariant"); |
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PkgPtr pkg = k->package(); |
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if (pkg != NULL) { |
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tag_leakp_artifact(pkg, class_unload); |
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ModPtr module = pkg->module(); |
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if (module != NULL) { |
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tag_leakp_artifact(module, class_unload); |
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} |
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} |
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CldPtr cld = k->class_loader_data(); |
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assert(cld != NULL, "invariant"); |
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if (!cld->is_anonymous()) { |
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tag_leakp_artifact(cld, class_unload); |
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} |
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} |
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class TagLeakpKlassArtifact { |
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bool _class_unload; |
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public: |
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TagLeakpKlassArtifact(bool class_unload) : _class_unload(class_unload) {} |
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bool operator()(KlassPtr klass) { |
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if (_class_unload) { |
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if (LEAKP_USED_THIS_EPOCH(klass)) { |
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tag_leakp_klass_artifacts(klass, _class_unload); |
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} |
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} else { |
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if (LEAKP_USED_PREV_EPOCH(klass)) { |
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tag_leakp_klass_artifacts(klass, _class_unload); |
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} |
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} |
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return true; |
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} |
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}; |
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/* |
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* In C++03, functions used as template parameters must have external linkage; |
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* this restriction was removed in C++11. Change back to "static" and |
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* rename functions when C++11 becomes available. |
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* |
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* The weird naming is an effort to decrease the risk of name clashes. |
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*/ |
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int write__artifact__klass(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* k) { |
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assert(writer != NULL, "invariant"); |
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assert(artifacts != NULL, "invariant"); |
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assert(k != NULL, "invariant"); |
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KlassPtr klass = (KlassPtr)k; |
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traceid pkg_id = 0; |
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KlassPtr theklass = klass; |
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if (theklass->is_objArray_klass()) { |
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const ObjArrayKlass* obj_arr_klass = ObjArrayKlass::cast(klass); |
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theklass = obj_arr_klass->bottom_klass(); |
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} |
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if (theklass->is_instance_klass()) { |
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pkg_id = package_id(theklass); |
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} else { |
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assert(theklass->is_typeArray_klass(), "invariant"); |
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} |
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const traceid symbol_id = artifacts->mark(klass); |
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assert(symbol_id > 0, "need to have an address for symbol!"); |
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writer->write(TRACE_ID(klass)); |
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writer->write(cld_id(klass->class_loader_data())); |
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writer->write((traceid)CREATE_SYMBOL_ID(symbol_id)); |
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writer->write(pkg_id); |
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writer->write((s4)klass->access_flags().get_flags()); |
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return 1; |
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} |
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typedef LeakPredicate<KlassPtr> LeakKlassPredicate; |
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typedef JfrPredicatedArtifactWriterImplHost<KlassPtr, LeakKlassPredicate, write__artifact__klass> LeakKlassWriterImpl; |
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typedef JfrArtifactWriterHost<LeakKlassWriterImpl, TYPE_CLASS> LeakKlassWriter; |
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typedef JfrArtifactWriterImplHost<KlassPtr, write__artifact__klass> KlassWriterImpl; |
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typedef JfrArtifactWriterHost<KlassWriterImpl, TYPE_CLASS> KlassWriter; |
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int write__artifact__method(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* m) { |
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assert(writer != NULL, "invariant"); |
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assert(artifacts != NULL, "invariant"); |
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assert(m != NULL, "invariant"); |
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MethodPtr method = (MethodPtr)m; |
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const traceid method_name_symbol_id = artifacts->mark(method->name()); |
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assert(method_name_symbol_id > 0, "invariant"); |
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const traceid method_sig_symbol_id = artifacts->mark(method->signature()); |
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assert(method_sig_symbol_id > 0, "invariant"); |
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KlassPtr klass = method->method_holder(); |
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assert(klass != NULL, "invariant"); |
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assert(METHOD_USED_ANY_EPOCH(klass), "invariant"); |
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writer->write((u8)METHOD_ID(klass, method)); |
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writer->write((u8)TRACE_ID(klass)); |
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writer->write((u8)CREATE_SYMBOL_ID(method_name_symbol_id)); |
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writer->write((u8)CREATE_SYMBOL_ID(method_sig_symbol_id)); |
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writer->write((u2)method->access_flags().get_flags()); |
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writer->write(const_cast<Method*>(method)->is_hidden() ? (u1)1 : (u1)0); |
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return 1; |
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} |
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typedef JfrArtifactWriterImplHost<MethodPtr, write__artifact__method> MethodWriterImplTarget; |
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typedef JfrArtifactWriterHost<MethodWriterImplTarget, TYPE_METHOD> MethodWriterImpl; |
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int write__artifact__package(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* p) { |
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assert(writer != NULL, "invariant"); |
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assert(artifacts != NULL, "invariant"); |
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assert(p != NULL, "invariant"); |
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PkgPtr pkg = (PkgPtr)p; |
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Symbol* const pkg_name = pkg->name(); |
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const traceid package_name_symbol_id = pkg_name != NULL ? artifacts->mark(pkg_name) : 0; |
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assert(package_name_symbol_id > 0, "invariant"); |
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writer->write((traceid)TRACE_ID(pkg)); |
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writer->write((traceid)CREATE_SYMBOL_ID(package_name_symbol_id)); |
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writer->write(module_id(pkg)); |
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writer->write((bool)pkg->is_exported()); |
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return 1; |
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} |
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typedef LeakPredicate<PkgPtr> LeakPackagePredicate; |
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int _compare_pkg_ptr_(PkgPtr const& lhs, PkgPtr const& rhs) { return lhs > rhs ? 1 : (lhs < rhs) ? -1 : 0; } |
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typedef UniquePredicate<PkgPtr, _compare_pkg_ptr_> PackagePredicate; |
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typedef JfrPredicatedArtifactWriterImplHost<PkgPtr, LeakPackagePredicate, write__artifact__package> LeakPackageWriterImpl; |
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typedef JfrPredicatedArtifactWriterImplHost<PkgPtr, PackagePredicate, write__artifact__package> PackageWriterImpl; |
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typedef JfrArtifactWriterHost<LeakPackageWriterImpl, TYPE_PACKAGE> LeakPackageWriter; |
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typedef JfrArtifactWriterHost<PackageWriterImpl, TYPE_PACKAGE> PackageWriter; |
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int write__artifact__module(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* m) { |
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assert( m != NULL, "invariant"); |
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ModPtr entry = (ModPtr)m; |
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Symbol* const module_name = entry->name(); |
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const traceid module_name_symbol_id = module_name != NULL ? artifacts->mark(module_name) : 0; |
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Symbol* const module_version = entry->version(); |
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const traceid module_version_symbol_id = module_version != NULL ? artifacts->mark(module_version) : 0; |
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Symbol* const module_location = entry->location(); |
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const traceid module_location_symbol_id = module_location != NULL ? artifacts->mark(module_location) : 0; |
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writer->write((traceid)TRACE_ID(entry)); |
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writer->write(module_name_symbol_id == 0 ? (traceid)0 : (traceid)CREATE_SYMBOL_ID(module_name_symbol_id)); |
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writer->write(module_version_symbol_id == 0 ? (traceid)0 : (traceid)CREATE_SYMBOL_ID(module_version_symbol_id)); |
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writer->write(module_location_symbol_id == 0 ? (traceid)0 : (traceid)CREATE_SYMBOL_ID(module_location_symbol_id)); |
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writer->write(cld_id(entry->loader_data())); |
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return 1; |
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} |
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typedef LeakPredicate<ModPtr> LeakModulePredicate; |
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int _compare_mod_ptr_(ModPtr const& lhs, ModPtr const& rhs) { return lhs > rhs ? 1 : (lhs < rhs) ? -1 : 0; } |
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typedef UniquePredicate<ModPtr, _compare_mod_ptr_> ModulePredicate; |
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typedef JfrPredicatedArtifactWriterImplHost<ModPtr, LeakModulePredicate, write__artifact__module> LeakModuleWriterImpl; |
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typedef JfrPredicatedArtifactWriterImplHost<ModPtr, ModulePredicate, write__artifact__module> ModuleWriterImpl; |
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typedef JfrArtifactWriterHost<LeakModuleWriterImpl, TYPE_MODULE> LeakModuleWriter; |
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typedef JfrArtifactWriterHost<ModuleWriterImpl, TYPE_MODULE> ModuleWriter; |
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int write__artifact__classloader(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* c) { |
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assert(c != NULL, "invariant"); |
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CldPtr cld = (CldPtr)c; |
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assert(!cld->is_anonymous(), "invariant"); |
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const traceid cld_id = TRACE_ID(cld); |
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// class loader type |
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const Klass* class_loader_klass = cld->class_loader_klass(); |
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237 |
if (class_loader_klass == NULL) { |
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// (primordial) boot class loader |
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writer->write(cld_id); // class loader instance id |
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writer->write((traceid)0); // class loader type id (absence of) |
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50634
c349d409262a
8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents:
50113
diff
changeset
|
241 |
writer->write((traceid)CREATE_SYMBOL_ID(1)); // 1 maps to synthetic name -> "bootstrap" |
50113 | 242 |
} else { |
50634
c349d409262a
8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents:
50113
diff
changeset
|
243 |
Symbol* symbol_name = cld->name(); |
50113 | 244 |
const traceid symbol_name_id = symbol_name != NULL ? artifacts->mark(symbol_name) : 0; |
245 |
writer->write(cld_id); // class loader instance id |
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writer->write(TRACE_ID(class_loader_klass)); // class loader type id |
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writer->write(symbol_name_id == 0 ? (traceid)0 : |
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248 |
(traceid)CREATE_SYMBOL_ID(symbol_name_id)); // class loader instance name |
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249 |
} |
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250 |
return 1; |
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251 |
} |
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252 |
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253 |
typedef LeakPredicate<CldPtr> LeakCldPredicate; |
|
254 |
int _compare_cld_ptr_(CldPtr const& lhs, CldPtr const& rhs) { return lhs > rhs ? 1 : (lhs < rhs) ? -1 : 0; } |
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255 |
typedef UniquePredicate<CldPtr, _compare_cld_ptr_> CldPredicate; |
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256 |
typedef JfrPredicatedArtifactWriterImplHost<CldPtr, LeakCldPredicate, write__artifact__classloader> LeakCldWriterImpl; |
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257 |
typedef JfrPredicatedArtifactWriterImplHost<CldPtr, CldPredicate, write__artifact__classloader> CldWriterImpl; |
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258 |
typedef JfrArtifactWriterHost<LeakCldWriterImpl, TYPE_CLASSLOADER> LeakCldWriter; |
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259 |
typedef JfrArtifactWriterHost<CldWriterImpl, TYPE_CLASSLOADER> CldWriter; |
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260 |
||
261 |
typedef const JfrSymbolId::SymbolEntry* SymbolEntryPtr; |
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262 |
||
263 |
static int write__artifact__symbol__entry__(JfrCheckpointWriter* writer, |
|
264 |
SymbolEntryPtr entry) { |
|
265 |
assert(writer != NULL, "invariant"); |
|
266 |
assert(entry != NULL, "invariant"); |
|
267 |
ResourceMark rm; |
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268 |
writer->write(CREATE_SYMBOL_ID(entry->id())); |
|
269 |
writer->write(entry->value()->as_C_string()); |
|
270 |
return 1; |
|
271 |
} |
|
272 |
||
273 |
int write__artifact__symbol__entry(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* e) { |
|
274 |
assert(e != NULL, "invariant"); |
|
275 |
return write__artifact__symbol__entry__(writer, (SymbolEntryPtr)e); |
|
276 |
} |
|
277 |
||
278 |
typedef JfrArtifactWriterImplHost<SymbolEntryPtr, write__artifact__symbol__entry> SymbolEntryWriterImpl; |
|
279 |
typedef JfrArtifactWriterHost<SymbolEntryWriterImpl, TYPE_SYMBOL> SymbolEntryWriter; |
|
280 |
||
281 |
typedef const JfrSymbolId::CStringEntry* CStringEntryPtr; |
|
282 |
||
283 |
static int write__artifact__cstring__entry__(JfrCheckpointWriter* writer, CStringEntryPtr entry) { |
|
284 |
assert(writer != NULL, "invariant"); |
|
285 |
assert(entry != NULL, "invariant"); |
|
286 |
writer->write(CREATE_SYMBOL_ID(entry->id())); |
|
287 |
writer->write(entry->value()); |
|
288 |
return 1; |
|
289 |
} |
|
290 |
||
291 |
int write__artifact__cstring__entry(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* e) { |
|
292 |
assert(e != NULL, "invariant"); |
|
293 |
return write__artifact__cstring__entry__(writer, (CStringEntryPtr)e); |
|
294 |
} |
|
295 |
||
296 |
typedef JfrArtifactWriterImplHost<CStringEntryPtr, write__artifact__cstring__entry> CStringEntryWriterImpl; |
|
297 |
typedef JfrArtifactWriterHost<CStringEntryWriterImpl, TYPE_SYMBOL> CStringEntryWriter; |
|
298 |
||
299 |
int write__artifact__klass__symbol(JfrCheckpointWriter* writer, JfrArtifactSet* artifacts, const void* k) { |
|
300 |
assert(writer != NULL, "invariant"); |
|
301 |
assert(artifacts != NULL, "invaiant"); |
|
302 |
assert(k != NULL, "invariant"); |
|
303 |
const InstanceKlass* const ik = (const InstanceKlass*)k; |
|
304 |
if (ik->is_anonymous()) { |
|
305 |
CStringEntryPtr entry = |
|
306 |
artifacts->map_cstring(JfrSymbolId::anonymous_klass_name_hash_code(ik)); |
|
307 |
assert(entry != NULL, "invariant"); |
|
308 |
return write__artifact__cstring__entry__(writer, entry); |
|
309 |
} |
|
310 |
||
311 |
SymbolEntryPtr entry = artifacts->map_symbol(JfrSymbolId::regular_klass_name_hash_code(ik)); |
|
312 |
return write__artifact__symbol__entry__(writer, entry); |
|
313 |
} |
|
314 |
||
315 |
int _compare_traceid_(const traceid& lhs, const traceid& rhs) { |
|
316 |
return lhs > rhs ? 1 : (lhs < rhs) ? -1 : 0; |
|
317 |
} |
|
318 |
||
319 |
template <template <typename> class Predicate> |
|
320 |
class KlassSymbolWriterImpl { |
|
321 |
private: |
|
322 |
JfrCheckpointWriter* _writer; |
|
323 |
JfrArtifactSet* _artifacts; |
|
324 |
Predicate<KlassPtr> _predicate; |
|
325 |
MethodUsedPredicate<true> _method_used_predicate; |
|
326 |
MethodFlagPredicate _method_flag_predicate; |
|
327 |
UniquePredicate<traceid, _compare_traceid_> _unique_predicate; |
|
328 |
||
329 |
int klass_symbols(KlassPtr klass); |
|
330 |
int package_symbols(PkgPtr pkg); |
|
331 |
int module_symbols(ModPtr module); |
|
332 |
int class_loader_symbols(CldPtr cld); |
|
333 |
int method_symbols(KlassPtr klass); |
|
334 |
||
335 |
public: |
|
336 |
typedef KlassPtr Type; |
|
337 |
KlassSymbolWriterImpl(JfrCheckpointWriter* writer, |
|
338 |
JfrArtifactSet* artifacts, |
|
339 |
bool class_unload) : _writer(writer), |
|
340 |
_artifacts(artifacts), |
|
341 |
_predicate(class_unload), |
|
342 |
_method_used_predicate(class_unload), |
|
343 |
_method_flag_predicate(class_unload), |
|
344 |
_unique_predicate(class_unload) {} |
|
345 |
||
346 |
int operator()(KlassPtr klass) { |
|
347 |
assert(klass != NULL, "invariant"); |
|
348 |
int count = 0; |
|
349 |
if (_predicate(klass)) { |
|
350 |
count += klass_symbols(klass); |
|
351 |
PkgPtr pkg = klass->package(); |
|
352 |
if (pkg != NULL) { |
|
353 |
count += package_symbols(pkg); |
|
354 |
ModPtr module = pkg->module(); |
|
355 |
if (module != NULL && module->is_named()) { |
|
356 |
count += module_symbols(module); |
|
357 |
} |
|
358 |
} |
|
359 |
CldPtr cld = klass->class_loader_data(); |
|
360 |
assert(cld != NULL, "invariant"); |
|
361 |
if (!cld->is_anonymous()) { |
|
362 |
count += class_loader_symbols(cld); |
|
363 |
} |
|
364 |
if (_method_used_predicate(klass)) { |
|
365 |
count += method_symbols(klass); |
|
366 |
} |
|
367 |
} |
|
368 |
return count; |
|
369 |
} |
|
370 |
}; |
|
371 |
||
372 |
template <template <typename> class Predicate> |
|
373 |
int KlassSymbolWriterImpl<Predicate>::klass_symbols(KlassPtr klass) { |
|
374 |
assert(klass != NULL, "invariant"); |
|
375 |
assert(_predicate(klass), "invariant"); |
|
376 |
const InstanceKlass* const ik = (const InstanceKlass*)klass; |
|
377 |
if (ik->is_anonymous()) { |
|
378 |
CStringEntryPtr entry = |
|
379 |
this->_artifacts->map_cstring(JfrSymbolId::anonymous_klass_name_hash_code(ik)); |
|
380 |
assert(entry != NULL, "invariant"); |
|
381 |
return _unique_predicate(entry->id()) ? write__artifact__cstring__entry__(this->_writer, entry) : 0; |
|
382 |
} |
|
383 |
SymbolEntryPtr entry = this->_artifacts->map_symbol(ik->name()); |
|
384 |
assert(entry != NULL, "invariant"); |
|
385 |
return _unique_predicate(entry->id()) ? write__artifact__symbol__entry__(this->_writer, entry) : 0; |
|
386 |
} |
|
387 |
||
388 |
template <template <typename> class Predicate> |
|
389 |
int KlassSymbolWriterImpl<Predicate>::package_symbols(PkgPtr pkg) { |
|
390 |
assert(pkg != NULL, "invariant"); |
|
391 |
SymbolPtr pkg_name = pkg->name(); |
|
392 |
assert(pkg_name != NULL, "invariant"); |
|
393 |
SymbolEntryPtr package_symbol = this->_artifacts->map_symbol(pkg_name); |
|
394 |
assert(package_symbol != NULL, "invariant"); |
|
395 |
return _unique_predicate(package_symbol->id()) ? |
|
396 |
write__artifact__symbol__entry__(this->_writer, package_symbol) : 0; |
|
397 |
} |
|
398 |
||
399 |
template <template <typename> class Predicate> |
|
400 |
int KlassSymbolWriterImpl<Predicate>::module_symbols(ModPtr module) { |
|
401 |
assert(module != NULL, "invariant"); |
|
402 |
assert(module->is_named(), "invariant"); |
|
403 |
int count = 0; |
|
404 |
SymbolPtr sym = module->name(); |
|
405 |
SymbolEntryPtr entry = NULL; |
|
406 |
if (sym != NULL) { |
|
407 |
entry = this->_artifacts->map_symbol(sym); |
|
408 |
assert(entry != NULL, "invariant"); |
|
409 |
if (_unique_predicate(entry->id())) { |
|
410 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
411 |
} |
|
412 |
} |
|
413 |
sym = module->version(); |
|
414 |
if (sym != NULL) { |
|
415 |
entry = this->_artifacts->map_symbol(sym); |
|
416 |
assert(entry != NULL, "invariant"); |
|
417 |
if (_unique_predicate(entry->id())) { |
|
418 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
419 |
} |
|
420 |
} |
|
421 |
sym = module->location(); |
|
422 |
if (sym != NULL) { |
|
423 |
entry = this->_artifacts->map_symbol(sym); |
|
424 |
assert(entry != NULL, "invariant"); |
|
425 |
if (_unique_predicate(entry->id())) { |
|
426 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
427 |
} |
|
428 |
} |
|
429 |
return count; |
|
430 |
} |
|
431 |
||
432 |
template <template <typename> class Predicate> |
|
433 |
int KlassSymbolWriterImpl<Predicate>::class_loader_symbols(CldPtr cld) { |
|
434 |
assert(cld != NULL, "invariant"); |
|
435 |
assert(!cld->is_anonymous(), "invariant"); |
|
436 |
int count = 0; |
|
437 |
// class loader type |
|
438 |
const Klass* class_loader_klass = cld->class_loader_klass(); |
|
439 |
if (class_loader_klass == NULL) { |
|
440 |
// (primordial) boot class loader |
|
441 |
CStringEntryPtr entry = this->_artifacts->map_cstring(0); |
|
442 |
assert(entry != NULL, "invariant"); |
|
443 |
assert(strncmp(entry->literal(), |
|
50634
c349d409262a
8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents:
50113
diff
changeset
|
444 |
BOOTSTRAP_LOADER_NAME, |
c349d409262a
8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents:
50113
diff
changeset
|
445 |
BOOTSTRAP_LOADER_NAME_LEN) == 0, "invariant"); |
50113 | 446 |
if (_unique_predicate(entry->id())) { |
447 |
count += write__artifact__cstring__entry__(this->_writer, entry); |
|
448 |
} |
|
449 |
} else { |
|
50634
c349d409262a
8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name
lfoltan
parents:
50113
diff
changeset
|
450 |
const Symbol* class_loader_name = cld->name(); |
50113 | 451 |
if (class_loader_name != NULL) { |
452 |
SymbolEntryPtr entry = this->_artifacts->map_symbol(class_loader_name); |
|
453 |
assert(entry != NULL, "invariant"); |
|
454 |
if (_unique_predicate(entry->id())) { |
|
455 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
456 |
} |
|
457 |
} |
|
458 |
} |
|
459 |
return count; |
|
460 |
} |
|
461 |
||
462 |
template <template <typename> class Predicate> |
|
463 |
int KlassSymbolWriterImpl<Predicate>::method_symbols(KlassPtr klass) { |
|
464 |
assert(_predicate(klass), "invariant"); |
|
465 |
assert(_method_used_predicate(klass), "invariant"); |
|
466 |
assert(METHOD_AND_CLASS_USED_ANY_EPOCH(klass), "invariant"); |
|
467 |
int count = 0; |
|
468 |
const InstanceKlass* const ik = InstanceKlass::cast(klass); |
|
469 |
const int len = ik->methods()->length(); |
|
470 |
for (int i = 0; i < len; ++i) { |
|
471 |
MethodPtr method = ik->methods()->at(i); |
|
472 |
if (_method_flag_predicate(method)) { |
|
473 |
SymbolEntryPtr entry = this->_artifacts->map_symbol(method->name()); |
|
474 |
assert(entry != NULL, "invariant"); |
|
475 |
if (_unique_predicate(entry->id())) { |
|
476 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
477 |
} |
|
478 |
entry = this->_artifacts->map_symbol(method->signature()); |
|
479 |
assert(entry != NULL, "invariant"); |
|
480 |
if (_unique_predicate(entry->id())) { |
|
481 |
count += write__artifact__symbol__entry__(this->_writer, entry); |
|
482 |
} |
|
483 |
} |
|
484 |
} |
|
485 |
return count; |
|
486 |
} |
|
487 |
||
488 |
typedef KlassSymbolWriterImpl<LeakPredicate> LeakKlassSymbolWriterImpl; |
|
489 |
typedef JfrArtifactWriterHost<LeakKlassSymbolWriterImpl, TYPE_SYMBOL> LeakKlassSymbolWriter; |
|
490 |
||
491 |
class ClearKlassAndMethods { |
|
492 |
private: |
|
493 |
ClearArtifact<KlassPtr> _clear_klass_tag_bits; |
|
494 |
ClearArtifact<MethodPtr> _clear_method_flag; |
|
495 |
MethodUsedPredicate<false> _method_used_predicate; |
|
496 |
||
497 |
public: |
|
498 |
ClearKlassAndMethods(bool class_unload) : _clear_klass_tag_bits(class_unload), |
|
499 |
_clear_method_flag(class_unload), |
|
500 |
_method_used_predicate(class_unload) {} |
|
501 |
bool operator()(KlassPtr klass) { |
|
502 |
if (_method_used_predicate(klass)) { |
|
503 |
const InstanceKlass* ik = InstanceKlass::cast(klass); |
|
504 |
const int len = ik->methods()->length(); |
|
505 |
for (int i = 0; i < len; ++i) { |
|
506 |
MethodPtr method = ik->methods()->at(i); |
|
507 |
_clear_method_flag(method); |
|
508 |
} |
|
509 |
} |
|
510 |
_clear_klass_tag_bits(klass); |
|
511 |
return true; |
|
512 |
} |
|
513 |
}; |
|
514 |
||
515 |
typedef CompositeFunctor<KlassPtr, |
|
516 |
TagLeakpKlassArtifact, |
|
517 |
LeakKlassWriter> LeakpKlassArtifactTagging; |
|
518 |
||
519 |
typedef CompositeFunctor<KlassPtr, |
|
520 |
LeakpKlassArtifactTagging, |
|
521 |
KlassWriter> CompositeKlassWriter; |
|
522 |
||
523 |
typedef CompositeFunctor<KlassPtr, |
|
524 |
CompositeKlassWriter, |
|
525 |
KlassArtifactRegistrator> CompositeKlassWriterRegistration; |
|
526 |
||
527 |
typedef CompositeFunctor<KlassPtr, |
|
528 |
KlassWriter, |
|
529 |
KlassArtifactRegistrator> KlassWriterRegistration; |
|
530 |
||
531 |
typedef JfrArtifactCallbackHost<KlassPtr, KlassWriterRegistration> KlassCallback; |
|
532 |
typedef JfrArtifactCallbackHost<KlassPtr, CompositeKlassWriterRegistration> CompositeKlassCallback; |
|
533 |
||
534 |
/* |
|
535 |
* Composite operation |
|
536 |
* |
|
537 |
* TagLeakpKlassArtifact -> |
|
538 |
* LeakpPredicate -> |
|
539 |
* LeakpKlassWriter -> |
|
540 |
* KlassPredicate -> |
|
541 |
* KlassWriter -> |
|
542 |
* KlassWriterRegistration |
|
543 |
*/ |
|
544 |
void JfrTypeSet::write_klass_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
545 |
assert(!_artifacts->has_klass_entries(), "invariant"); |
|
546 |
KlassArtifactRegistrator reg(_artifacts); |
|
547 |
KlassWriter kw(writer, _artifacts, _class_unload); |
|
548 |
KlassWriterRegistration kwr(&kw, ®); |
|
549 |
if (leakp_writer == NULL) { |
|
550 |
KlassCallback callback(&kwr); |
|
551 |
_subsystem_callback = &callback; |
|
552 |
do_klasses(); |
|
553 |
return; |
|
554 |
} |
|
555 |
TagLeakpKlassArtifact tagging(_class_unload); |
|
556 |
LeakKlassWriter lkw(leakp_writer, _artifacts, _class_unload); |
|
557 |
LeakpKlassArtifactTagging lpkat(&tagging, &lkw); |
|
558 |
CompositeKlassWriter ckw(&lpkat, &kw); |
|
559 |
CompositeKlassWriterRegistration ckwr(&ckw, ®); |
|
560 |
CompositeKlassCallback callback(&ckwr); |
|
561 |
_subsystem_callback = &callback; |
|
562 |
do_klasses(); |
|
563 |
} |
|
564 |
||
565 |
typedef CompositeFunctor<PkgPtr, |
|
566 |
PackageWriter, |
|
567 |
ClearArtifact<PkgPtr> > PackageWriterWithClear; |
|
568 |
||
569 |
typedef CompositeFunctor<PkgPtr, |
|
570 |
LeakPackageWriter, |
|
571 |
PackageWriter> CompositePackageWriter; |
|
572 |
||
573 |
typedef CompositeFunctor<PkgPtr, |
|
574 |
CompositePackageWriter, |
|
575 |
ClearArtifact<PkgPtr> > CompositePackageWriterWithClear; |
|
576 |
||
577 |
class PackageFieldSelector { |
|
578 |
public: |
|
579 |
typedef PkgPtr TypePtr; |
|
580 |
static TypePtr select(KlassPtr klass) { |
|
581 |
assert(klass != NULL, "invariant"); |
|
582 |
return ((InstanceKlass*)klass)->package(); |
|
583 |
} |
|
584 |
}; |
|
585 |
||
586 |
typedef KlassToFieldEnvelope<PackageFieldSelector, |
|
587 |
PackageWriterWithClear> KlassPackageWriterWithClear; |
|
588 |
||
589 |
typedef KlassToFieldEnvelope<PackageFieldSelector, |
|
590 |
CompositePackageWriterWithClear> KlassCompositePackageWriterWithClear; |
|
591 |
||
592 |
typedef JfrArtifactCallbackHost<PkgPtr, PackageWriterWithClear> PackageCallback; |
|
593 |
typedef JfrArtifactCallbackHost<PkgPtr, CompositePackageWriterWithClear> CompositePackageCallback; |
|
594 |
||
595 |
/* |
|
596 |
* Composite operation |
|
597 |
* |
|
598 |
* LeakpPackageWriter -> |
|
599 |
* PackageWriter -> |
|
600 |
* ClearArtifact<PackageEntry> |
|
601 |
* |
|
602 |
*/ |
|
603 |
void JfrTypeSet::write_package_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
604 |
assert(_artifacts->has_klass_entries(), "invariant"); |
|
605 |
ClearArtifact<PkgPtr> clear(_class_unload); |
|
606 |
PackageWriter pw(writer, _artifacts, _class_unload); |
|
607 |
if (leakp_writer == NULL) { |
|
608 |
PackageWriterWithClear pwwc(&pw, &clear); |
|
609 |
KlassPackageWriterWithClear kpwwc(&pwwc); |
|
610 |
_artifacts->iterate_klasses(kpwwc); |
|
611 |
PackageCallback callback(&pwwc); |
|
612 |
_subsystem_callback = &callback; |
|
613 |
do_packages(); |
|
614 |
return; |
|
615 |
} |
|
616 |
LeakPackageWriter lpw(leakp_writer, _artifacts, _class_unload); |
|
617 |
CompositePackageWriter cpw(&lpw, &pw); |
|
618 |
CompositePackageWriterWithClear cpwwc(&cpw, &clear); |
|
619 |
KlassCompositePackageWriterWithClear ckpw(&cpwwc); |
|
620 |
_artifacts->iterate_klasses(ckpw); |
|
621 |
CompositePackageCallback callback(&cpwwc); |
|
622 |
_subsystem_callback = &callback; |
|
623 |
do_packages(); |
|
624 |
} |
|
625 |
||
626 |
typedef CompositeFunctor<ModPtr, |
|
627 |
ModuleWriter, |
|
628 |
ClearArtifact<ModPtr> > ModuleWriterWithClear; |
|
629 |
||
630 |
typedef CompositeFunctor<ModPtr, |
|
631 |
LeakModuleWriter, |
|
632 |
ModuleWriter> CompositeModuleWriter; |
|
633 |
||
634 |
typedef CompositeFunctor<ModPtr, |
|
635 |
CompositeModuleWriter, |
|
636 |
ClearArtifact<ModPtr> > CompositeModuleWriterWithClear; |
|
637 |
||
638 |
typedef JfrArtifactCallbackHost<ModPtr, ModuleWriterWithClear> ModuleCallback; |
|
639 |
typedef JfrArtifactCallbackHost<ModPtr, CompositeModuleWriterWithClear> CompositeModuleCallback; |
|
640 |
||
641 |
class ModuleFieldSelector { |
|
642 |
public: |
|
643 |
typedef ModPtr TypePtr; |
|
644 |
static TypePtr select(KlassPtr klass) { |
|
645 |
assert(klass != NULL, "invariant"); |
|
646 |
PkgPtr pkg = klass->package(); |
|
647 |
return pkg != NULL ? pkg->module() : NULL; |
|
648 |
} |
|
649 |
}; |
|
650 |
||
651 |
typedef KlassToFieldEnvelope<ModuleFieldSelector, |
|
652 |
ModuleWriterWithClear> KlassModuleWriterWithClear; |
|
653 |
||
654 |
typedef KlassToFieldEnvelope<ModuleFieldSelector, |
|
655 |
CompositeModuleWriterWithClear> KlassCompositeModuleWriterWithClear; |
|
656 |
||
657 |
/* |
|
658 |
* Composite operation |
|
659 |
* |
|
660 |
* LeakpModuleWriter -> |
|
661 |
* ModuleWriter -> |
|
662 |
* ClearArtifact<ModuleEntry> |
|
663 |
*/ |
|
664 |
void JfrTypeSet::write_module_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
665 |
assert(_artifacts->has_klass_entries(), "invariant"); |
|
666 |
ClearArtifact<ModPtr> clear(_class_unload); |
|
667 |
ModuleWriter mw(writer, _artifacts, _class_unload); |
|
668 |
if (leakp_writer == NULL) { |
|
669 |
ModuleWriterWithClear mwwc(&mw, &clear); |
|
670 |
KlassModuleWriterWithClear kmwwc(&mwwc); |
|
671 |
_artifacts->iterate_klasses(kmwwc); |
|
672 |
ModuleCallback callback(&mwwc); |
|
673 |
_subsystem_callback = &callback; |
|
674 |
do_modules(); |
|
675 |
return; |
|
676 |
} |
|
677 |
LeakModuleWriter lmw(leakp_writer, _artifacts, _class_unload); |
|
678 |
CompositeModuleWriter cmw(&lmw, &mw); |
|
679 |
CompositeModuleWriterWithClear cmwwc(&cmw, &clear); |
|
680 |
KlassCompositeModuleWriterWithClear kmwwc(&cmwwc); |
|
681 |
_artifacts->iterate_klasses(kmwwc); |
|
682 |
CompositeModuleCallback callback(&cmwwc); |
|
683 |
_subsystem_callback = &callback; |
|
684 |
do_modules(); |
|
685 |
} |
|
686 |
||
687 |
typedef CompositeFunctor<CldPtr, CldWriter, ClearArtifact<CldPtr> > CldWriterWithClear; |
|
688 |
typedef CompositeFunctor<CldPtr, LeakCldWriter, CldWriter> CompositeCldWriter; |
|
689 |
typedef CompositeFunctor<CldPtr, CompositeCldWriter, ClearArtifact<CldPtr> > CompositeCldWriterWithClear; |
|
690 |
typedef JfrArtifactCallbackHost<CldPtr, CldWriterWithClear> CldCallback; |
|
691 |
typedef JfrArtifactCallbackHost<CldPtr, CompositeCldWriterWithClear> CompositeCldCallback; |
|
692 |
||
693 |
class CldFieldSelector { |
|
694 |
public: |
|
695 |
typedef CldPtr TypePtr; |
|
696 |
static TypePtr select(KlassPtr klass) { |
|
697 |
assert(klass != NULL, "invariant"); |
|
698 |
CldPtr cld = klass->class_loader_data(); |
|
699 |
return cld->is_anonymous() ? NULL : cld; |
|
700 |
} |
|
701 |
}; |
|
702 |
||
703 |
typedef KlassToFieldEnvelope<CldFieldSelector, CldWriterWithClear> KlassCldWriterWithClear; |
|
704 |
typedef KlassToFieldEnvelope<CldFieldSelector, CompositeCldWriterWithClear> KlassCompositeCldWriterWithClear; |
|
705 |
||
706 |
/* |
|
707 |
* Composite operation |
|
708 |
* |
|
709 |
* LeakpClassLoaderWriter -> |
|
710 |
* ClassLoaderWriter -> |
|
711 |
* ClearArtifact<ClassLoaderData> |
|
712 |
*/ |
|
713 |
void JfrTypeSet::write_class_loader_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
714 |
assert(_artifacts->has_klass_entries(), "invariant"); |
|
715 |
ClearArtifact<CldPtr> clear(_class_unload); |
|
716 |
CldWriter cldw(writer, _artifacts, _class_unload); |
|
717 |
if (leakp_writer == NULL) { |
|
718 |
CldWriterWithClear cldwwc(&cldw, &clear); |
|
719 |
KlassCldWriterWithClear kcldwwc(&cldwwc); |
|
720 |
_artifacts->iterate_klasses(kcldwwc); |
|
721 |
CldCallback callback(&cldwwc); |
|
722 |
_subsystem_callback = &callback; |
|
723 |
do_class_loaders(); |
|
724 |
return; |
|
725 |
} |
|
726 |
LeakCldWriter lcldw(leakp_writer, _artifacts, _class_unload); |
|
727 |
CompositeCldWriter ccldw(&lcldw, &cldw); |
|
728 |
CompositeCldWriterWithClear ccldwwc(&ccldw, &clear); |
|
729 |
KlassCompositeCldWriterWithClear kcclwwc(&ccldwwc); |
|
730 |
_artifacts->iterate_klasses(kcclwwc); |
|
731 |
CompositeCldCallback callback(&ccldwwc); |
|
732 |
_subsystem_callback = &callback; |
|
733 |
do_class_loaders(); |
|
734 |
} |
|
735 |
||
736 |
template <bool predicate_bool, typename MethodFunctor> |
|
737 |
class MethodIteratorHost { |
|
738 |
private: |
|
739 |
MethodFunctor _method_functor; |
|
740 |
MethodUsedPredicate<predicate_bool> _method_used_predicate; |
|
741 |
MethodFlagPredicate _method_flag_predicate; |
|
742 |
||
743 |
public: |
|
744 |
MethodIteratorHost(JfrCheckpointWriter* writer, |
|
745 |
JfrArtifactSet* artifacts, |
|
746 |
bool class_unload, |
|
747 |
bool skip_header = false) : |
|
748 |
_method_functor(writer, artifacts, class_unload, skip_header), |
|
749 |
_method_used_predicate(class_unload), |
|
750 |
_method_flag_predicate(class_unload) {} |
|
751 |
||
752 |
bool operator()(KlassPtr klass) { |
|
753 |
if (_method_used_predicate(klass)) { |
|
754 |
assert(METHOD_AND_CLASS_USED_ANY_EPOCH(klass), "invariant"); |
|
755 |
const InstanceKlass* ik = InstanceKlass::cast(klass); |
|
756 |
const int len = ik->methods()->length(); |
|
757 |
for (int i = 0; i < len; ++i) { |
|
758 |
MethodPtr method = ik->methods()->at(i); |
|
759 |
if (_method_flag_predicate(method)) { |
|
760 |
_method_functor(method); |
|
761 |
} |
|
762 |
} |
|
763 |
} |
|
764 |
return true; |
|
765 |
} |
|
766 |
||
767 |
int count() const { return _method_functor.count(); } |
|
768 |
void add(int count) { _method_functor.add(count); } |
|
769 |
}; |
|
770 |
||
771 |
typedef MethodIteratorHost<true /*leakp */, MethodWriterImpl> LeakMethodWriter; |
|
772 |
typedef MethodIteratorHost<false, MethodWriterImpl> MethodWriter; |
|
773 |
typedef CompositeFunctor<KlassPtr, LeakMethodWriter, MethodWriter> CompositeMethodWriter; |
|
774 |
||
775 |
/* |
|
776 |
* Composite operation |
|
777 |
* |
|
778 |
* LeakpMethodWriter -> |
|
779 |
* MethodWriter |
|
780 |
*/ |
|
781 |
void JfrTypeSet::write_method_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
782 |
assert(_artifacts->has_klass_entries(), "invariant"); |
|
783 |
MethodWriter mw(writer, _artifacts, _class_unload); |
|
784 |
if (leakp_writer == NULL) { |
|
785 |
_artifacts->iterate_klasses(mw); |
|
786 |
return; |
|
787 |
} |
|
788 |
LeakMethodWriter lpmw(leakp_writer, _artifacts, _class_unload); |
|
789 |
CompositeMethodWriter cmw(&lpmw, &mw); |
|
790 |
_artifacts->iterate_klasses(cmw); |
|
791 |
} |
|
792 |
static void write_symbols_leakp(JfrCheckpointWriter* leakp_writer, JfrArtifactSet* artifacts, bool class_unload) { |
|
793 |
assert(leakp_writer != NULL, "invariant"); |
|
794 |
assert(artifacts != NULL, "invariant"); |
|
795 |
LeakKlassSymbolWriter lpksw(leakp_writer, artifacts, class_unload); |
|
796 |
artifacts->iterate_klasses(lpksw); |
|
797 |
} |
|
798 |
static void write_symbols(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer, JfrArtifactSet* artifacts, bool class_unload) { |
|
799 |
assert(writer != NULL, "invariant"); |
|
800 |
assert(artifacts != NULL, "invariant"); |
|
801 |
if (leakp_writer != NULL) { |
|
802 |
write_symbols_leakp(leakp_writer, artifacts, class_unload); |
|
803 |
} |
|
804 |
// iterate all registered symbols |
|
805 |
SymbolEntryWriter symbol_writer(writer, artifacts, class_unload); |
|
806 |
artifacts->iterate_symbols(symbol_writer); |
|
807 |
CStringEntryWriter cstring_writer(writer, artifacts, class_unload, true); // skip header |
|
808 |
artifacts->iterate_cstrings(cstring_writer); |
|
809 |
symbol_writer.add(cstring_writer.count()); |
|
810 |
} |
|
811 |
||
812 |
bool JfrTypeSet::_class_unload = false; |
|
813 |
JfrArtifactSet* JfrTypeSet::_artifacts = NULL; |
|
814 |
JfrArtifactClosure* JfrTypeSet::_subsystem_callback = NULL; |
|
815 |
||
816 |
void JfrTypeSet::write_symbol_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer) { |
|
817 |
assert(writer != NULL, "invariant"); |
|
818 |
assert(_artifacts->has_klass_entries(), "invariant"); |
|
819 |
write_symbols(writer, leakp_writer, _artifacts, _class_unload); |
|
820 |
} |
|
821 |
||
822 |
void JfrTypeSet::do_unloaded_klass(Klass* klass) { |
|
823 |
assert(klass != NULL, "invariant"); |
|
824 |
assert(_subsystem_callback != NULL, "invariant"); |
|
825 |
if (IS_JDK_JFR_EVENT_SUBKLASS(klass)) { |
|
826 |
JfrEventClasses::increment_unloaded_event_class(); |
|
827 |
} |
|
828 |
if (USED_THIS_EPOCH(klass)) { // includes leakp subset |
|
829 |
_subsystem_callback->do_artifact(klass); |
|
830 |
return; |
|
831 |
} |
|
832 |
if (klass->is_subclass_of(SystemDictionary::ClassLoader_klass()) || klass == SystemDictionary::Object_klass()) { |
|
833 |
SET_LEAKP_USED_THIS_EPOCH(klass); // tag leakp "safe byte" for subset inclusion |
|
834 |
_subsystem_callback->do_artifact(klass); |
|
835 |
} |
|
836 |
} |
|
837 |
||
838 |
void JfrTypeSet::do_klass(Klass* klass) { |
|
839 |
assert(klass != NULL, "invariant"); |
|
840 |
assert(_subsystem_callback != NULL, "invariant"); |
|
841 |
if (USED_PREV_EPOCH(klass)) { // includes leakp subset |
|
842 |
_subsystem_callback->do_artifact(klass); |
|
843 |
return; |
|
844 |
} |
|
845 |
if (klass->is_subclass_of(SystemDictionary::ClassLoader_klass()) || klass == SystemDictionary::Object_klass()) { |
|
846 |
SET_LEAKP_USED_PREV_EPOCH(klass); // tag leakp "safe byte" for subset inclusion |
|
847 |
_subsystem_callback->do_artifact(klass); |
|
848 |
} |
|
849 |
} |
|
850 |
||
851 |
void JfrTypeSet::do_klasses() { |
|
852 |
if (_class_unload) { |
|
853 |
ClassLoaderDataGraph::classes_unloading_do(&do_unloaded_klass); |
|
854 |
return; |
|
855 |
} |
|
856 |
ClassLoaderDataGraph::classes_do(&do_klass); |
|
857 |
} |
|
858 |
||
859 |
void JfrTypeSet::do_unloaded_package(PackageEntry* entry) { |
|
860 |
assert(entry != NULL, "invariant"); |
|
861 |
assert(_subsystem_callback != NULL, "invariant"); |
|
862 |
if (ANY_USED_THIS_EPOCH(entry)) { // includes leakp subset |
|
863 |
_subsystem_callback->do_artifact(entry); |
|
864 |
} |
|
865 |
} |
|
866 |
||
867 |
void JfrTypeSet::do_package(PackageEntry* entry) { |
|
868 |
assert(_subsystem_callback != NULL, "invariant"); |
|
869 |
if (ANY_USED_PREV_EPOCH(entry)) { // includes leakp subset |
|
870 |
_subsystem_callback->do_artifact(entry); |
|
871 |
} |
|
872 |
} |
|
873 |
||
874 |
void JfrTypeSet::do_packages() { |
|
875 |
if (_class_unload) { |
|
876 |
ClassLoaderDataGraph::packages_unloading_do(&do_unloaded_package); |
|
877 |
return; |
|
878 |
} |
|
879 |
ClassLoaderDataGraph::packages_do(&do_package); |
|
880 |
} |
|
881 |
void JfrTypeSet::do_unloaded_module(ModuleEntry* entry) { |
|
882 |
assert(entry != NULL, "invariant"); |
|
883 |
assert(_subsystem_callback != NULL, "invariant"); |
|
884 |
if (ANY_USED_THIS_EPOCH(entry)) { // includes leakp subset |
|
885 |
_subsystem_callback->do_artifact(entry); |
|
886 |
} |
|
887 |
} |
|
888 |
||
889 |
void JfrTypeSet::do_module(ModuleEntry* entry) { |
|
890 |
assert(_subsystem_callback != NULL, "invariant"); |
|
891 |
if (ANY_USED_PREV_EPOCH(entry)) { // includes leakp subset |
|
892 |
_subsystem_callback->do_artifact(entry); |
|
893 |
} |
|
894 |
} |
|
895 |
||
896 |
void JfrTypeSet::do_modules() { |
|
897 |
if (_class_unload) { |
|
898 |
ClassLoaderDataGraph::modules_unloading_do(&do_unloaded_module); |
|
899 |
return; |
|
900 |
} |
|
901 |
ClassLoaderDataGraph::modules_do(&do_module); |
|
902 |
} |
|
903 |
||
904 |
void JfrTypeSet::do_unloaded_class_loader_data(ClassLoaderData* cld) { |
|
905 |
assert(_subsystem_callback != NULL, "invariant"); |
|
906 |
if (ANY_USED_THIS_EPOCH(cld)) { // includes leakp subset |
|
907 |
_subsystem_callback->do_artifact(cld); |
|
908 |
} |
|
909 |
} |
|
910 |
||
911 |
void JfrTypeSet::do_class_loader_data(ClassLoaderData* cld) { |
|
912 |
assert(_subsystem_callback != NULL, "invariant"); |
|
913 |
if (ANY_USED_PREV_EPOCH(cld)) { // includes leakp subset |
|
914 |
_subsystem_callback->do_artifact(cld); |
|
915 |
} |
|
916 |
} |
|
917 |
||
918 |
class CLDCallback : public CLDClosure { |
|
919 |
private: |
|
920 |
bool _class_unload; |
|
921 |
public: |
|
922 |
CLDCallback(bool class_unload) : _class_unload(class_unload) {} |
|
923 |
void do_cld(ClassLoaderData* cld) { |
|
924 |
assert(cld != NULL, "invariant"); |
|
925 |
if (cld->is_anonymous()) { |
|
926 |
return; |
|
927 |
} |
|
928 |
if (_class_unload) { |
|
929 |
JfrTypeSet::do_unloaded_class_loader_data(cld); |
|
930 |
return; |
|
931 |
} |
|
932 |
JfrTypeSet::do_class_loader_data(cld); |
|
933 |
} |
|
934 |
}; |
|
935 |
||
936 |
void JfrTypeSet::do_class_loaders() { |
|
937 |
CLDCallback cld_cb(_class_unload); |
|
938 |
if (_class_unload) { |
|
939 |
ClassLoaderDataGraph::cld_unloading_do(&cld_cb); |
|
940 |
return; |
|
941 |
} |
|
942 |
ClassLoaderDataGraph::cld_do(&cld_cb); |
|
943 |
} |
|
944 |
||
945 |
static void clear_artifacts(JfrArtifactSet* artifacts, |
|
946 |
bool class_unload) { |
|
947 |
assert(artifacts != NULL, "invariant"); |
|
948 |
assert(artifacts->has_klass_entries(), "invariant"); |
|
949 |
||
950 |
// untag |
|
951 |
ClearKlassAndMethods clear(class_unload); |
|
952 |
artifacts->iterate_klasses(clear); |
|
953 |
artifacts->clear(); |
|
954 |
} |
|
955 |
||
956 |
/** |
|
957 |
* Write all "tagged" (in-use) constant artifacts and their dependencies. |
|
958 |
*/ |
|
959 |
void JfrTypeSet::serialize(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer, bool class_unload) { |
|
960 |
assert(writer != NULL, "invariant"); |
|
961 |
ResourceMark rm; |
|
962 |
// initialization begin |
|
963 |
_class_unload = class_unload; |
|
964 |
++checkpoint_id; |
|
965 |
if (_artifacts == NULL) { |
|
966 |
_artifacts = new JfrArtifactSet(class_unload); |
|
967 |
_subsystem_callback = NULL; |
|
968 |
} else { |
|
969 |
_artifacts->initialize(class_unload); |
|
970 |
_subsystem_callback = NULL; |
|
971 |
} |
|
972 |
assert(_artifacts != NULL, "invariant"); |
|
973 |
assert(!_artifacts->has_klass_entries(), "invariant"); |
|
974 |
assert(_subsystem_callback == NULL, "invariant"); |
|
975 |
// initialization complete |
|
976 |
||
977 |
// write order is important because an individual write step |
|
978 |
// might tag an artifact to be written in a subsequent step |
|
979 |
write_klass_constants(writer, leakp_writer); |
|
980 |
if (_artifacts->has_klass_entries()) { |
|
981 |
write_package_constants(writer, leakp_writer); |
|
982 |
write_module_constants(writer, leakp_writer); |
|
983 |
write_class_loader_constants(writer, leakp_writer); |
|
984 |
write_method_constants(writer, leakp_writer); |
|
985 |
write_symbol_constants(writer, leakp_writer); |
|
986 |
clear_artifacts(_artifacts, class_unload); |
|
987 |
} |
|
988 |
} |