jdk8-mips64-public/hotspot: src/share/vm/jfr/support/jfrThreadLocal.hpp@a248d0be1309 (annotated)

src/share/vm/jfr/support/jfrThreadLocal.hpp@a248d0be1309 (annotated)

src/share/vm/jfr/support/jfrThreadLocal.hpp

Mon, 19 Aug 2019 10:11:31 +0200

author: neugens
date: Mon, 19 Aug 2019 10:11:31 +0200
changeset 9861: a248d0be1309
parent 9858: b985cbb00e68
child 9868: 69fb91513217
permissions: -rw-r--r--

8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com

 /*
  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP
 #define SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP
 #include "jfr/recorder/checkpoint/jfrCheckpointBlob.hpp"
 #include "jfr/utilities/jfrTypes.hpp"
 #include "utilities/sizes.hpp"
 class JavaThread;
 class JfrBuffer;
 class JfrStackFrame;
 class JfrThreadLocal {
  private:
   jobject _java_event_writer;
   mutable JfrBuffer* _java_buffer;
   mutable JfrBuffer* _native_buffer;
   JfrBuffer* _shelved_buffer;
   mutable JfrStackFrame* _stackframes;
   mutable traceid _trace_id;
   JfrCheckpointBlobHandle _thread_cp;
   u8 _data_lost;
   traceid _stack_trace_id;
   jlong _user_time;
   jlong _cpu_time;
   jlong _wallclock_time;
   unsigned int _stack_trace_hash;
   mutable u4 _stackdepth;
   volatile jint _entering_suspend_flag;
   bool _dead;
   JfrBuffer* install_native_buffer() const;
   JfrBuffer* install_java_buffer() const;
   JfrStackFrame* install_stackframes() const;
   void set_dead();
  public:
   JfrThreadLocal();
   JfrBuffer* native_buffer() const {
     return _native_buffer != NULL ? _native_buffer : install_native_buffer();
   }
   bool has_native_buffer() const {
     return _native_buffer != NULL;
   }
   void set_native_buffer(JfrBuffer* buffer) {
     _native_buffer = buffer;
   }
   JfrBuffer* java_buffer() const {
     return _java_buffer != NULL ? _java_buffer : install_java_buffer();
   }
   bool has_java_buffer() const {
     return _java_buffer != NULL;
   }
   void set_java_buffer(JfrBuffer* buffer) {
     _java_buffer = buffer;
   }
   JfrBuffer* shelved_buffer() const {
     return _shelved_buffer;
   }
   void shelve_buffer(JfrBuffer* buffer) {
     _shelved_buffer = buffer;
   }
   bool has_java_event_writer() const {
     return _java_event_writer != NULL;
   }
   jobject java_event_writer() {
     return _java_event_writer;
   }
   void set_java_event_writer(jobject java_event_writer) {
     _java_event_writer = java_event_writer;
   }
   JfrStackFrame* stackframes() const {
     return _stackframes != NULL ? _stackframes : install_stackframes();
   }
   void set_stackframes(JfrStackFrame* frames) {
     _stackframes = frames;
   }
   u4 stackdepth() const {
     return _stackdepth;
   }
   void set_stackdepth(u4 depth) {
     _stackdepth = depth;
   }
   traceid thread_id() const {
     return _trace_id;
   }
   void set_thread_id(traceid thread_id) {
     _trace_id = thread_id;
   }
   void set_cached_stack_trace_id(traceid id, unsigned int hash = 0) {
     _stack_trace_id = id;
     _stack_trace_hash = hash;
   }
   bool has_cached_stack_trace() const {
     return _stack_trace_id != max_julong;
   }
   void clear_cached_stack_trace() {
     _stack_trace_id = max_julong;
     _stack_trace_hash = 0;
   }
   traceid cached_stack_trace_id() const {
     return _stack_trace_id;
   }
   unsigned int cached_stack_trace_hash() const {
     return _stack_trace_hash;
   }
   void set_trace_block() {
     _entering_suspend_flag = 1;
   }
   void clear_trace_block() {
     _entering_suspend_flag = 0;
   }
   bool is_trace_block() const {
     return _entering_suspend_flag != 0;
   }
   u8 data_lost() const {
     return _data_lost;
   }
   u8 add_data_lost(u8 value);
   jlong get_user_time() const {
     return _user_time;
   }
   void set_user_time(jlong user_time) {
     _user_time = user_time;
   }
   jlong get_cpu_time() const {
     return _cpu_time;
   }
   void set_cpu_time(jlong cpu_time) {
     _cpu_time = cpu_time;
   }
   jlong get_wallclock_time() const {
     return _wallclock_time;
   }
   void set_wallclock_time(jlong wallclock_time) {
     _wallclock_time = wallclock_time;
   }
   traceid trace_id() const {
     return _trace_id;
   }
   traceid* const trace_id_addr() const {
     return &_trace_id;
   }
   void set_trace_id(traceid id) const {
     _trace_id = id;
   }
   bool is_dead() const {
     return _dead;
   }
   bool has_thread_checkpoint() const;
   void set_thread_checkpoint(const JfrCheckpointBlobHandle& handle);
   const JfrCheckpointBlobHandle& thread_checkpoint() const;
   static JfrBuffer* acquire(Thread* t, size_t size = 0);
   static void release(JfrBuffer* buffer, Thread* t);
   static void destroy_stackframes(Thread* t);
   static void on_exit(JavaThread* t);
   static void on_destruct(Thread* t);
   // Code generation
   static ByteSize trace_id_offset() {
     return in_ByteSize(offset_of(JfrThreadLocal, _trace_id));
   }
   static ByteSize java_event_writer_offset() {
     return in_ByteSize(offset_of(JfrThreadLocal, _java_event_writer));
   }
 };
 #endif // SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/jfr/support/jfrThreadLocal.hpp@a248d0be1309 (annotated)

src/share/vm/jfr/support/jfrThreadLocal.hpp