apetushkov@9858: /*
apetushkov@9858:  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
apetushkov@9858:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
apetushkov@9858:  *
apetushkov@9858:  * This code is free software; you can redistribute it and/or modify it
apetushkov@9858:  * under the terms of the GNU General Public License version 2 only, as
apetushkov@9858:  * published by the Free Software Foundation.
apetushkov@9858:  *
apetushkov@9858:  * This code is distributed in the hope that it will be useful, but WITHOUT
apetushkov@9858:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
apetushkov@9858:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
apetushkov@9858:  * version 2 for more details (a copy is included in the LICENSE file that
apetushkov@9858:  * accompanied this code).
apetushkov@9858:  *
apetushkov@9858:  * You should have received a copy of the GNU General Public License version
apetushkov@9858:  * 2 along with this work; if not, write to the Free Software Foundation,
apetushkov@9858:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
apetushkov@9858:  *
apetushkov@9858:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
apetushkov@9858:  * or visit www.oracle.com if you need additional information or have any
apetushkov@9858:  * questions.
apetushkov@9858:  *
apetushkov@9858:  */
apetushkov@9858: 
apetushkov@9858: #ifndef SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP
apetushkov@9858: #define SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP
apetushkov@9858: 
apetushkov@9858: #include "jfr/recorder/checkpoint/jfrCheckpointBlob.hpp"
apetushkov@9858: #include "jfr/utilities/jfrTypes.hpp"
apetushkov@9858: #include "utilities/sizes.hpp"
apetushkov@9858: 
apetushkov@9858: class JavaThread;
apetushkov@9858: class JfrBuffer;
apetushkov@9858: class JfrStackFrame;
apetushkov@9858: 
apetushkov@9858: class JfrThreadLocal {
apetushkov@9858:  private:
apetushkov@9858:   jobject _java_event_writer;
apetushkov@9858:   mutable JfrBuffer* _java_buffer;
apetushkov@9858:   mutable JfrBuffer* _native_buffer;
apetushkov@9858:   JfrBuffer* _shelved_buffer;
apetushkov@9858:   mutable JfrStackFrame* _stackframes;
apetushkov@9858:   mutable traceid _trace_id;
apetushkov@9858:   JfrCheckpointBlobHandle _thread_cp;
apetushkov@9858:   u8 _data_lost;
apetushkov@9858:   traceid _stack_trace_id;
apetushkov@9858:   jlong _user_time;
apetushkov@9858:   jlong _cpu_time;
apetushkov@9858:   jlong _wallclock_time;
apetushkov@9858:   unsigned int _stack_trace_hash;
apetushkov@9858:   mutable u4 _stackdepth;
apetushkov@9858:   volatile jint _entering_suspend_flag;
apetushkov@9858:   bool _dead;
apetushkov@9858: 
apetushkov@9858:   JfrBuffer* install_native_buffer() const;
apetushkov@9858:   JfrBuffer* install_java_buffer() const;
apetushkov@9858:   JfrStackFrame* install_stackframes() const;
apetushkov@9858: 
apetushkov@9858:   void set_dead();
apetushkov@9858: 
apetushkov@9858:  public:
apetushkov@9858:   JfrThreadLocal();
apetushkov@9858: 
apetushkov@9858:   JfrBuffer* native_buffer() const {
apetushkov@9858:     return _native_buffer != NULL ? _native_buffer : install_native_buffer();
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool has_native_buffer() const {
apetushkov@9858:     return _native_buffer != NULL;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_native_buffer(JfrBuffer* buffer) {
apetushkov@9858:     _native_buffer = buffer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   JfrBuffer* java_buffer() const {
apetushkov@9858:     return _java_buffer != NULL ? _java_buffer : install_java_buffer();
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool has_java_buffer() const {
apetushkov@9858:     return _java_buffer != NULL;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_java_buffer(JfrBuffer* buffer) {
apetushkov@9858:     _java_buffer = buffer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   JfrBuffer* shelved_buffer() const {
apetushkov@9858:     return _shelved_buffer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void shelve_buffer(JfrBuffer* buffer) {
apetushkov@9858:     _shelved_buffer = buffer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool has_java_event_writer() const {
apetushkov@9858:     return _java_event_writer != NULL;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jobject java_event_writer() {
apetushkov@9858:     return _java_event_writer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_java_event_writer(jobject java_event_writer) {
apetushkov@9858:     _java_event_writer = java_event_writer;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   JfrStackFrame* stackframes() const {
apetushkov@9858:     return _stackframes != NULL ? _stackframes : install_stackframes();
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_stackframes(JfrStackFrame* frames) {
apetushkov@9858:     _stackframes = frames;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   u4 stackdepth() const {
apetushkov@9858:     return _stackdepth;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_stackdepth(u4 depth) {
apetushkov@9858:     _stackdepth = depth;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   traceid thread_id() const {
apetushkov@9858:     return _trace_id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_thread_id(traceid thread_id) {
apetushkov@9858:     _trace_id = thread_id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_cached_stack_trace_id(traceid id, unsigned int hash = 0) {
apetushkov@9858:     _stack_trace_id = id;
apetushkov@9858:     _stack_trace_hash = hash;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool has_cached_stack_trace() const {
apetushkov@9858:     return _stack_trace_id != max_julong;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void clear_cached_stack_trace() {
apetushkov@9858:     _stack_trace_id = max_julong;
apetushkov@9858:     _stack_trace_hash = 0;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   traceid cached_stack_trace_id() const {
apetushkov@9858:     return _stack_trace_id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   unsigned int cached_stack_trace_hash() const {
apetushkov@9858:     return _stack_trace_hash;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_trace_block() {
apetushkov@9858:     _entering_suspend_flag = 1;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void clear_trace_block() {
apetushkov@9858:     _entering_suspend_flag = 0;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool is_trace_block() const {
apetushkov@9858:     return _entering_suspend_flag != 0;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   u8 data_lost() const {
apetushkov@9858:     return _data_lost;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   u8 add_data_lost(u8 value);
apetushkov@9858: 
apetushkov@9858:   jlong get_user_time() const {
apetushkov@9858:     return _user_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_user_time(jlong user_time) {
apetushkov@9858:     _user_time = user_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jlong get_cpu_time() const {
apetushkov@9858:     return _cpu_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_cpu_time(jlong cpu_time) {
apetushkov@9858:     _cpu_time = cpu_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   jlong get_wallclock_time() const {
apetushkov@9858:     return _wallclock_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_wallclock_time(jlong wallclock_time) {
apetushkov@9858:     _wallclock_time = wallclock_time;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   traceid trace_id() const {
apetushkov@9858:     return _trace_id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   traceid* const trace_id_addr() const {
apetushkov@9858:     return &_trace_id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   void set_trace_id(traceid id) const {
apetushkov@9858:     _trace_id = id;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool is_dead() const {
apetushkov@9858:     return _dead;
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   bool has_thread_checkpoint() const;
apetushkov@9858:   void set_thread_checkpoint(const JfrCheckpointBlobHandle& handle);
apetushkov@9858:   const JfrCheckpointBlobHandle& thread_checkpoint() const;
apetushkov@9858: 
apetushkov@9858:   static JfrBuffer* acquire(Thread* t, size_t size = 0);
apetushkov@9858:   static void release(JfrBuffer* buffer, Thread* t);
apetushkov@9858:   static void destroy_stackframes(Thread* t);
apetushkov@9858:   static void on_exit(JavaThread* t);
apetushkov@9858:   static void on_destruct(Thread* t);
apetushkov@9858: 
apetushkov@9858:   // Code generation
apetushkov@9858:   static ByteSize trace_id_offset() {
apetushkov@9858:     return in_ByteSize(offset_of(JfrThreadLocal, _trace_id));
apetushkov@9858:   }
apetushkov@9858: 
apetushkov@9858:   static ByteSize java_event_writer_offset() {
apetushkov@9858:     return in_ByteSize(offset_of(JfrThreadLocal, _java_event_writer));
apetushkov@9858:   }
apetushkov@9858: };
apetushkov@9858: 
apetushkov@9858: #endif // SHARE_VM_JFR_SUPPORT_JFRTHREADLOCAL_HPP