apetushkov@9858: /*
apetushkov@9858:  * Copyright (c) 2011, 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: #include "precompiled.hpp"
apetushkov@9858: #include "jfr/recorder/jfrEventSetting.inline.hpp"
apetushkov@9858: #include "jfr/recorder/stacktrace/jfrStackTraceRepository.hpp"
apetushkov@9858: #include "jfr/support/jfrStackTraceMark.hpp"
apetushkov@9858: #include "jfr/support/jfrThreadLocal.hpp"
apetushkov@9858: #include "runtime/thread.inline.hpp"
apetushkov@9858: 
apetushkov@9858: JfrStackTraceMark::JfrStackTraceMark() : _t(Thread::current()), _previous_id(0), _previous_hash(0) {
apetushkov@9858:   JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858:   if (tl->has_cached_stack_trace()) {
apetushkov@9858:     _previous_id = tl->cached_stack_trace_id();
apetushkov@9858:     _previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858:   }
apetushkov@9858:   tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(Thread::current()));
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStackTraceMark::JfrStackTraceMark(Thread* t) : _t(t), _previous_id(0), _previous_hash(0) {
apetushkov@9858:   JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858:   if (tl->has_cached_stack_trace()) {
apetushkov@9858:     _previous_id = tl->cached_stack_trace_id();
apetushkov@9858:     _previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858:   }
apetushkov@9858:   tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(t));
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId) : _t(NULL), _previous_id(0), _previous_hash(0) {
apetushkov@9858:   if (JfrEventSetting::has_stacktrace(eventId)) {
apetushkov@9858:     _t = Thread::current();
apetushkov@9858:     JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858:     if (tl->has_cached_stack_trace()) {
apetushkov@9858:       _previous_id = tl->cached_stack_trace_id();
apetushkov@9858:       _previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858:     }
apetushkov@9858:     tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
apetushkov@9858:   }
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId, Thread* t) : _t(NULL), _previous_id(0), _previous_hash(0) {
apetushkov@9858:   if (JfrEventSetting::has_stacktrace(eventId)) {
apetushkov@9858:     _t = t;
apetushkov@9858:     JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858:     if (tl->has_cached_stack_trace()) {
apetushkov@9858:       _previous_id = tl->cached_stack_trace_id();
apetushkov@9858:       _previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858:     }
apetushkov@9858:     tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
apetushkov@9858:   }
apetushkov@9858: }
apetushkov@9858: 
apetushkov@9858: JfrStackTraceMark::~JfrStackTraceMark() {
apetushkov@9858:   if (_previous_id != 0) {
apetushkov@9858:     _t->jfr_thread_local()->set_cached_stack_trace_id(_previous_id, _previous_hash);
apetushkov@9858:   } else {
apetushkov@9858:     if (_t != NULL) {
apetushkov@9858:       _t->jfr_thread_local()->clear_cached_stack_trace();
apetushkov@9858:     }
apetushkov@9858:   }
apetushkov@9858: }