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src/share/vm/jfr/support/jfrStackTraceMark.cpp@b985cbb00e68 (annotated)

src/share/vm/jfr/support/jfrStackTraceMark.cpp

Mon, 12 Aug 2019 18:30:40 +0300

author

apetushkov

date

Mon, 12 Aug 2019 18:30:40 +0300

changeset 9858

b985cbb00e68

permissions

-rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

apetushkov@9858	1	/*
apetushkov@9858	2	* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
apetushkov@9858	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
apetushkov@9858	4	*
apetushkov@9858	5	* This code is free software; you can redistribute it and/or modify it
apetushkov@9858	6	* under the terms of the GNU General Public License version 2 only, as
apetushkov@9858	7	* published by the Free Software Foundation.
apetushkov@9858	8	*
apetushkov@9858	9	* This code is distributed in the hope that it will be useful, but WITHOUT
apetushkov@9858	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
apetushkov@9858	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
apetushkov@9858	12	* version 2 for more details (a copy is included in the LICENSE file that
apetushkov@9858	13	* accompanied this code).
apetushkov@9858	14	*
apetushkov@9858	15	* You should have received a copy of the GNU General Public License version
apetushkov@9858	16	* 2 along with this work; if not, write to the Free Software Foundation,
apetushkov@9858	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
apetushkov@9858	18	*
apetushkov@9858	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
apetushkov@9858	20	* or visit www.oracle.com if you need additional information or have any
apetushkov@9858	21	* questions.
apetushkov@9858	22	*
apetushkov@9858	23	*/
apetushkov@9858	24
apetushkov@9858	25	#include "precompiled.hpp"
apetushkov@9858	26	#include "jfr/recorder/jfrEventSetting.inline.hpp"
apetushkov@9858	27	#include "jfr/recorder/stacktrace/jfrStackTraceRepository.hpp"
apetushkov@9858	28	#include "jfr/support/jfrStackTraceMark.hpp"
apetushkov@9858	29	#include "jfr/support/jfrThreadLocal.hpp"
apetushkov@9858	30	#include "runtime/thread.inline.hpp"
apetushkov@9858	31
apetushkov@9858	32	JfrStackTraceMark::JfrStackTraceMark() : _t(Thread::current()), _previous_id(0), _previous_hash(0) {
apetushkov@9858	33	JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858	34	if (tl->has_cached_stack_trace()) {
apetushkov@9858	35	_previous_id = tl->cached_stack_trace_id();
apetushkov@9858	36	_previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858	37	}
apetushkov@9858	38	tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(Thread::current()));
apetushkov@9858	39	}
apetushkov@9858	40
apetushkov@9858	41	JfrStackTraceMark::JfrStackTraceMark(Thread* t) : _t(t), _previous_id(0), _previous_hash(0) {
apetushkov@9858	42	JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858	43	if (tl->has_cached_stack_trace()) {
apetushkov@9858	44	_previous_id = tl->cached_stack_trace_id();
apetushkov@9858	45	_previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858	46	}
apetushkov@9858	47	tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(t));
apetushkov@9858	48	}
apetushkov@9858	49
apetushkov@9858	50	JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId) : _t(NULL), _previous_id(0), _previous_hash(0) {
apetushkov@9858	51	if (JfrEventSetting::has_stacktrace(eventId)) {
apetushkov@9858	52	_t = Thread::current();
apetushkov@9858	53	JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858	54	if (tl->has_cached_stack_trace()) {
apetushkov@9858	55	_previous_id = tl->cached_stack_trace_id();
apetushkov@9858	56	_previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858	57	}
apetushkov@9858	58	tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
apetushkov@9858	59	}
apetushkov@9858	60	}
apetushkov@9858	61
apetushkov@9858	62	JfrStackTraceMark::JfrStackTraceMark(JfrEventId eventId, Thread* t) : _t(NULL), _previous_id(0), _previous_hash(0) {
apetushkov@9858	63	if (JfrEventSetting::has_stacktrace(eventId)) {
apetushkov@9858	64	_t = t;
apetushkov@9858	65	JfrThreadLocal* const tl = _t->jfr_thread_local();
apetushkov@9858	66	if (tl->has_cached_stack_trace()) {
apetushkov@9858	67	_previous_id = tl->cached_stack_trace_id();
apetushkov@9858	68	_previous_hash = tl->cached_stack_trace_hash();
apetushkov@9858	69	}
apetushkov@9858	70	tl->set_cached_stack_trace_id(JfrStackTraceRepository::record(_t));
apetushkov@9858	71	}
apetushkov@9858	72	}
apetushkov@9858	73
apetushkov@9858	74	JfrStackTraceMark::~JfrStackTraceMark() {
apetushkov@9858	75	if (_previous_id != 0) {
apetushkov@9858	76	_t->jfr_thread_local()->set_cached_stack_trace_id(_previous_id, _previous_hash);
apetushkov@9858	77	} else {
apetushkov@9858	78	if (_t != NULL) {
apetushkov@9858	79	_t->jfr_thread_local()->clear_cached_stack_trace();
apetushkov@9858	80	}
apetushkov@9858	81	}
apetushkov@9858	82	}