1 /* 2 * Copyright (c) 2019, 2020, 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 */ 24 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/recorder/repository/jfrRepository.hpp" 34 #include "jfr/support/jfrThreadLocal.hpp" 35 #include "runtime/java.hpp" 36 37 bool Jfr::is_enabled() { 38 return JfrRecorder::is_enabled(); 39 } 40 41 bool Jfr::is_disabled() { 42 return JfrRecorder::is_disabled(); 43 } 44 45 bool Jfr::is_recording() { 46 return JfrRecorder::is_recording(); 47 } 48 49 void Jfr::on_create_vm_1() { 50 if (!JfrRecorder::on_create_vm_1()) { 51 vm_exit_during_initialization("Failure when starting JFR on_create_vm_1"); 52 } 53 } 54 55 void Jfr::on_create_vm_2() { 56 if (!JfrRecorder::on_create_vm_2()) { 57 vm_exit_during_initialization("Failure when starting JFR on_create_vm_2"); 58 } 59 } 60 61 void Jfr::on_create_vm_3() { 62 if (!JfrRecorder::on_create_vm_3()) { 63 vm_exit_during_initialization("Failure when starting JFR on_create_vm_3"); 64 } 65 } 66 67 void Jfr::on_unloading_classes() { 68 if (JfrRecorder::is_created()) { 69 JfrCheckpointManager::write_type_set_for_unloaded_classes(); 70 } 71 } 72 73 void Jfr::on_thread_start(Thread* t) { 74 JfrThreadLocal::on_start(t); 75 } 76 77 void Jfr::on_thread_exit(Thread* t) { 78 JfrThreadLocal::on_exit(t); 79 } 80 81 void Jfr::exclude_thread(Thread* t) { 82 JfrThreadLocal::exclude(t); 83 } 84 85 void Jfr::include_thread(Thread* t) { 86 JfrThreadLocal::include(t); 87 } 88 89 bool Jfr::is_excluded(Thread* t) { 90 return t != NULL && t->jfr_thread_local()->is_excluded(); 91 } 92 93 void Jfr::on_java_thread_dismantle(JavaThread* jt) { 94 if (JfrRecorder::is_recording()) { 95 JfrCheckpointManager::write_thread_checkpoint(jt); 96 } 97 } 98 99 void Jfr::on_vm_shutdown(bool exception_handler) { 100 if (JfrRecorder::is_recording()) { 101 JfrEmergencyDump::on_vm_shutdown(exception_handler); 102 } 103 } 104 105 void Jfr::on_vm_error_report(outputStream* st) { 106 if (JfrRecorder::is_recording()) { 107 JfrRepository::on_vm_error_report(st); 108 } 109 } 110 111 void Jfr::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) { 112 if (LeakProfiler::is_running()) { 113 LeakProfiler::weak_oops_do(is_alive, f); 114 } 115 } 116 117 bool Jfr::on_flight_recorder_option(const JavaVMOption** option, char* delimiter) { 118 return JfrOptionSet::parse_flight_recorder_option(option, delimiter); 119 } 120 121 bool Jfr::on_start_flight_recording_option(const JavaVMOption** option, char* delimiter) { 122 return JfrOptionSet::parse_start_flight_recording_option(option, delimiter); 123 }