Mon, 12 Aug 2019 18:30:40 +0300
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
1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "jfr/jfr.hpp"
27 #include "jfr/leakprofiler/leakProfiler.hpp"
28 #include "jfr/periodic/sampling/jfrThreadSampler.hpp"
29 #include "jfr/recorder/jfrRecorder.hpp"
30 #include "jfr/recorder/checkpoint/jfrCheckpointManager.hpp"
31 #include "jfr/recorder/repository/jfrEmergencyDump.hpp"
32 #include "jfr/recorder/service/jfrOptionSet.hpp"
33 #include "jfr/support/jfrThreadLocal.hpp"
34 #include "runtime/java.hpp"
36 bool Jfr::is_enabled() {
37 return JfrRecorder::is_enabled();
38 }
40 bool Jfr::is_disabled() {
41 return JfrRecorder::is_disabled();
42 }
44 bool Jfr::is_recording() {
45 return JfrRecorder::is_recording();
46 }
48 void Jfr::on_vm_init() {
49 if (!JfrRecorder::on_vm_init()) {
50 vm_exit_during_initialization("Failure when starting JFR on_vm_init");
51 }
52 }
54 void Jfr::on_vm_start() {
55 if (!JfrRecorder::on_vm_start()) {
56 vm_exit_during_initialization("Failure when starting JFR on_vm_start");
57 }
58 }
60 void Jfr::on_unloading_classes() {
61 if (JfrRecorder::is_created()) {
62 JfrCheckpointManager::write_type_set_for_unloaded_classes();
63 }
64 }
66 void Jfr::on_thread_exit(JavaThread* thread) {
67 JfrThreadLocal::on_exit(thread);
68 }
70 void Jfr::on_thread_destruct(Thread* thread) {
71 if (JfrRecorder::is_created()) {
72 JfrThreadLocal::on_destruct(thread);
73 }
74 }
76 void Jfr::on_vm_shutdown(bool exception_handler) {
77 JfrRecorder::set_is_shutting_down();
78 if (JfrRecorder::is_recording()) {
79 JfrEmergencyDump::on_vm_shutdown(exception_handler);
80 }
81 }
83 void Jfr::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) {
84 LeakProfiler::oops_do(is_alive, f);
85 }
87 void Jfr::weak_oops_do(OopClosure* f) {
88 AlwaysTrueClosure always_true;
89 LeakProfiler::oops_do(&always_true, f);
90 }
92 bool Jfr::on_flight_recorder_option(const JavaVMOption** option, char* delimiter) {
93 return JfrOptionSet::parse_flight_recorder_option(option, delimiter);
94 }
96 bool Jfr::on_start_flight_recording_option(const JavaVMOption** option, char* delimiter) {
97 return JfrOptionSet::parse_start_flight_recording_option(option, delimiter);
98 }
100 Thread* Jfr::sampler_thread() {
101 return JfrThreadSampling::sampler_thread();
102 }