src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceId.inline.hpp
author mgronlun
Sat, 14 Sep 2019 14:40:09 +0200
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8225797: OldObjectSample event creates unexpected amount of checkpoint data Reviewed-by: egahlin
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/*
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 * Copyright (c) 2016, 2019, 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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#ifndef SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP
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#define SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP
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#include "classfile/classLoaderData.hpp"
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#include "classfile/moduleEntry.hpp"
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#include "classfile/packageEntry.hpp"
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#include "jfr/recorder/checkpoint/types/traceid/jfrTraceId.hpp"
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#include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdBits.inline.hpp"
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#include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp"
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#include "jfr/recorder/checkpoint/types/traceid/jfrTraceIdMacros.hpp"
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#include "jfr/support/jfrKlassExtension.hpp"
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#include "oops/arrayKlass.hpp"
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#include "oops/klass.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/method.hpp"
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#include "runtime/thread.inline.hpp"
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#include "utilities/debug.hpp"
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template <typename T>
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inline traceid set_used_and_get(const T* type) {
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  assert(type != NULL, "invariant");
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  SET_USED_THIS_EPOCH(type);
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  assert(USED_THIS_EPOCH(type), "invariant");
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  return TRACE_ID(type);
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}
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inline traceid JfrTraceId::get(const Klass* klass) {
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  assert(klass != NULL, "invariant");
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  return TRACE_ID(klass);
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}
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inline traceid JfrTraceId::get(const Thread* t) {
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  assert(t != NULL, "invariant");
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  return TRACE_ID_RAW(t->jfr_thread_local());
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}
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inline traceid JfrTraceId::use(const Klass* klass) {
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  assert(klass != NULL, "invariant");
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  return set_used_and_get(klass);
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}
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inline traceid JfrTraceId::use(const Method* method) {
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  assert(method != NULL, "invariant");
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  return use(method->method_holder(), method);
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}
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inline traceid JfrTraceId::use(const Klass* klass, const Method* method) {
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  assert(klass != NULL, "invariant");
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  assert(method != NULL, "invariant");
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  SET_METHOD_FLAG_USED_THIS_EPOCH(method);
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  SET_METHOD_AND_CLASS_USED_THIS_EPOCH(klass);
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  assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
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  return (METHOD_ID(klass, method));
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}
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inline traceid JfrTraceId::use(const ModuleEntry* module) {
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  assert(module != NULL, "invariant");
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  return set_used_and_get(module);
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}
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inline traceid JfrTraceId::use(const PackageEntry* package) {
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  assert(package != NULL, "invariant");
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  return set_used_and_get(package);
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}
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inline traceid JfrTraceId::use(const ClassLoaderData* cld) {
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  assert(cld != NULL, "invariant");
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  return cld->is_unsafe_anonymous() ? 0 : set_used_and_get(cld);
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}
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inline void JfrTraceId::set_leakp(const Method* method) {
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  assert(method != NULL, "invariant");
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  const Klass* const klass = method->method_holder();
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  assert(klass != NULL, "invariant");
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  assert(METHOD_AND_CLASS_USED_THIS_EPOCH(klass), "invariant");
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  assert(METHOD_FLAG_USED_THIS_EPOCH(method), "invariant");
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  SET_LEAKP(klass);
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  SET_METHOD_LEAKP(method);
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}
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inline bool JfrTraceId::in_visible_set(const Klass* klass) {
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  assert(klass != NULL, "invariant");
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  assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_vm, "invariant");
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  return (IS_JDK_JFR_EVENT_SUBKLASS(klass) && !klass->is_abstract()) || IS_EVENT_HOST_KLASS(klass);
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}
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inline bool JfrTraceId::is_jdk_jfr_event(const Klass* k) {
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  assert(k != NULL, "invariant");
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  return IS_JDK_JFR_EVENT_KLASS(k);
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}
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inline void JfrTraceId::tag_as_jdk_jfr_event(const Klass* klass) {
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  assert(klass != NULL, "invariant");
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  SET_JDK_JFR_EVENT_KLASS(klass);
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  assert(IS_JDK_JFR_EVENT_KLASS(klass), "invariant");
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}
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inline bool JfrTraceId::is_jdk_jfr_event_sub(const Klass* k) {
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  assert(k != NULL, "invariant");
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  return IS_JDK_JFR_EVENT_SUBKLASS(k);
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}
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inline void JfrTraceId::tag_as_jdk_jfr_event_sub(const Klass* k) {
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  assert(k != NULL, "invariant");
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  if (IS_NOT_AN_EVENT_SUB_KLASS(k)) {
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    SET_JDK_JFR_EVENT_SUBKLASS(k);
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  }
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  assert(IS_JDK_JFR_EVENT_SUBKLASS(k), "invariant");
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}
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inline bool JfrTraceId::in_jdk_jfr_event_hierarchy(const Klass* klass) {
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  assert(klass != NULL, "invariant");
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  if (is_jdk_jfr_event(klass)) {
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    return true;
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  }
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  const Klass* const super = klass->super();
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  return super != NULL ? IS_EVENT_KLASS(super) : false;
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}
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inline bool JfrTraceId::is_event_host(const Klass* k) {
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  assert(k != NULL, "invariant");
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  return IS_EVENT_HOST_KLASS(k);
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}
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inline void JfrTraceId::tag_as_event_host(const Klass* k) {
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  assert(k != NULL, "invariant");
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  SET_EVENT_HOST_KLASS(k);
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  assert(IS_EVENT_HOST_KLASS(k), "invariant");
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}
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#endif // SHARE_JFR_RECORDER_CHECKPOINT_TYPES_TRACEID_JFRTRACEID_INLINE_HPP