/*
* Copyright ( c ) 2011 , 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 .
*
*/
#include "precompiled.hpp"
#include "jfr/recorder/jfrEventSetting.inline.hpp"
#include "jfr/recorder/stacktrace/jfrStackTraceRepository.hpp"
#include "jfr/support/jfrStackTraceMark.hpp"
#include "jfr/support/jfrThreadLocal.hpp"
#include "runtime/javaThread.hpp"
JfrStackTraceMark::JfrStackTraceMark() : _t(Thread::current()), _previous_id(0 ), _previous_hash(0 ) {
JfrThreadLocal* const tl = _t->jfr_thread_local();
if (tl->has_cached_stack_trace()) {
_previous_id = tl->cached_stack_trace_id();
_previous_hash = tl->cached_stack_trace_hash();
}
tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(Thread::current()));
}
JfrStackTraceMark::JfrStackTraceMark(Thread* t) : _t(t), _previous_id(0 ), _previous_hash(0 ) {
JfrThreadLocal* const tl = _t->jfr_thread_local();
if (tl->has_cached_stack_trace()) {
_previous_id = tl->cached_stack_trace_id();
_previous_hash = tl->cached_stack_trace_hash();
}
tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(t));
}
JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId) : _t(NULL), _previous_id(0 ), _previous_hash(0 ) {
if (JfrEventSetting::has_stacktrace(eventId)) {
_t = Thread::current();
JfrThreadLocal* const tl = _t->jfr_thread_local();
if (tl->has_cached_stack_trace()) {
_previous_id = tl->cached_stack_trace_id();
_previous_hash = tl->cached_stack_trace_hash();
}
tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
}
}
JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId, Thread* t) : _t(NULL), _previous_id(0 ), _previous_hash(0 ) {
if (JfrEventSetting::has_stacktrace(eventId)) {
_t = t;
JfrThreadLocal* const tl = _t->jfr_thread_local();
if (tl->has_cached_stack_trace()) {
_previous_id = tl->cached_stack_trace_id();
_previous_hash = tl->cached_stack_trace_hash();
}
tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
}
}
JfrStackTraceMark::~JfrStackTraceMark() {
if (_previous_id != 0 ) {
_t->jfr_thread_local()->set_cached_stack_trace_id(_previous_id, _previous_hash);
} else {
if (_t != NULL) {
_t->jfr_thread_local()->clear_cached_stack_trace();
}
}
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-09-07)
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