author | mgronlun |
Tue, 03 Sep 2019 11:48:31 +0200 | |
branch | JEP-349-branch |
changeset 57987 | 23e3cd901cb6 |
parent 57983 | a57907813a83 |
child 58154 | 060d9d139109 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 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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||
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#ifndef SHARE_JFR_SUPPORT_JFRTHREADLOCAL_HPP |
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#define SHARE_JFR_SUPPORT_JFRTHREADLOCAL_HPP |
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#include "jfr/utilities/jfrBlob.hpp" |
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#include "jfr/utilities/jfrTypes.hpp" |
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class JavaThread; |
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class JfrBuffer; |
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class JfrStackFrame; |
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class Thread; |
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class JfrThreadLocal { |
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private: |
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jobject _java_event_writer; |
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mutable JfrBuffer* _java_buffer; |
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mutable JfrBuffer* _native_buffer; |
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JfrBuffer* _shelved_buffer; |
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mutable JfrStackFrame* _stackframes; |
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mutable traceid _trace_id; |
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JfrBlobHandle _thread; |
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u8 _data_lost; |
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traceid _stack_trace_id; |
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jlong _user_time; |
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jlong _cpu_time; |
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jlong _wallclock_time; |
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unsigned int _stack_trace_hash; |
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mutable u4 _stackdepth; |
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volatile jint _entering_suspend_flag; |
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bool _excluded; |
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bool _dead; |
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JfrBuffer* install_native_buffer() const; |
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JfrBuffer* install_java_buffer() const; |
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JfrStackFrame* install_stackframes() const; |
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static void release(JfrThreadLocal* tl, Thread* t); |
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public: |
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JfrThreadLocal(); |
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JfrBuffer* native_buffer() const { |
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return _native_buffer != NULL ? _native_buffer : install_native_buffer(); |
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} |
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bool has_native_buffer() const { |
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return _native_buffer != NULL; |
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} |
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void set_native_buffer(JfrBuffer* buffer) { |
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_native_buffer = buffer; |
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} |
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JfrBuffer* java_buffer() const { |
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return _java_buffer != NULL ? _java_buffer : install_java_buffer(); |
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} |
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bool has_java_buffer() const { |
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return _java_buffer != NULL; |
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} |
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void set_java_buffer(JfrBuffer* buffer) { |
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_java_buffer = buffer; |
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} |
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JfrBuffer* shelved_buffer() const { |
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return _shelved_buffer; |
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} |
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void shelve_buffer(JfrBuffer* buffer) { |
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_shelved_buffer = buffer; |
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} |
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bool has_java_event_writer() const { |
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return _java_event_writer != NULL; |
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} |
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jobject java_event_writer() { |
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return _java_event_writer; |
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} |
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void set_java_event_writer(jobject java_event_writer) { |
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_java_event_writer = java_event_writer; |
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} |
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JfrStackFrame* stackframes() const { |
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return _stackframes != NULL ? _stackframes : install_stackframes(); |
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} |
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void set_stackframes(JfrStackFrame* frames) { |
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_stackframes = frames; |
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} |
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u4 stackdepth() const; |
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void set_stackdepth(u4 depth) { |
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_stackdepth = depth; |
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} |
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traceid thread_id() const { |
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return _trace_id; |
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} |
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void set_thread_id(traceid thread_id) { |
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_trace_id = thread_id; |
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} |
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void set_cached_stack_trace_id(traceid id, unsigned int hash = 0) { |
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_stack_trace_id = id; |
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_stack_trace_hash = hash; |
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} |
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bool has_cached_stack_trace() const { |
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return _stack_trace_id != max_julong; |
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} |
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void clear_cached_stack_trace() { |
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_stack_trace_id = max_julong; |
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_stack_trace_hash = 0; |
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} |
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traceid cached_stack_trace_id() const { |
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return _stack_trace_id; |
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} |
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unsigned int cached_stack_trace_hash() const { |
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return _stack_trace_hash; |
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} |
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void set_trace_block() { |
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_entering_suspend_flag = 1; |
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} |
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void clear_trace_block() { |
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_entering_suspend_flag = 0; |
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} |
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bool is_trace_block() const { |
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return _entering_suspend_flag != 0; |
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} |
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u8 data_lost() const { |
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return _data_lost; |
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} |
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u8 add_data_lost(u8 value); |
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jlong get_user_time() const { |
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return _user_time; |
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} |
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void set_user_time(jlong user_time) { |
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_user_time = user_time; |
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} |
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jlong get_cpu_time() const { |
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return _cpu_time; |
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} |
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void set_cpu_time(jlong cpu_time) { |
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_cpu_time = cpu_time; |
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} |
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jlong get_wallclock_time() const { |
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return _wallclock_time; |
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} |
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void set_wallclock_time(jlong wallclock_time) { |
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_wallclock_time = wallclock_time; |
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} |
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traceid trace_id() const { |
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return _trace_id; |
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} |
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traceid* const trace_id_addr() const { |
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return &_trace_id; |
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} |
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void set_trace_id(traceid id) const { |
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_trace_id = id; |
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} |
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bool is_excluded() const { |
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return _excluded; |
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} |
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bool is_dead() const { |
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return _dead; |
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} |
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bool has_thread_blob() const; |
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void set_thread_blob(const JfrBlobHandle& handle); |
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const JfrBlobHandle& thread_blob() const; |
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static void exclude(const Thread* t); |
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static void include(const Thread* t); |
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static void on_start(Thread* t); |
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static void on_exit(Thread* t); |
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// Code generation |
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static ByteSize trace_id_offset(); |
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static ByteSize java_event_writer_offset(); |
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}; |
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#endif // SHARE_JFR_SUPPORT_JFRTHREADLOCAL_HPP |