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