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 */ 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_vm_init() { 49 if (!JfrRecorder::on_vm_init()) { 50 vm_exit_during_initialization("Failure when starting JFR on_vm_init"); 51 } 52 } 53 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 } 59 60 void Jfr::on_unloading_classes() { 61 if (JfrRecorder::is_created()) { 62 JfrCheckpointManager::write_type_set_for_unloaded_classes(); 63 } 64 } 65 66 void Jfr::on_thread_exit(JavaThread* thread) { 67 JfrThreadLocal::on_exit(thread); 68 } 69 70 void Jfr::on_thread_destruct(Thread* thread) { 71 if (JfrRecorder::is_created()) { 72 JfrThreadLocal::on_destruct(thread); 73 } 74 } 75 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 } 82 83 void Jfr::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) { 84 LeakProfiler::oops_do(is_alive, f); 85 } 86 87 bool Jfr::on_flight_recorder_option(const JavaVMOption** option, char* delimiter) { 88 return JfrOptionSet::parse_flight_recorder_option(option, delimiter); 89 } 90 91 bool Jfr::on_start_flight_recording_option(const JavaVMOption** option, char* delimiter) { 92 return JfrOptionSet::parse_start_flight_recording_option(option, delimiter); 93 } 94 95 Thread* Jfr::sampler_thread() { 96 return JfrThreadSampling::sampler_thread(); 97 }