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/recorder/access/jfrThreadData.hpp" 28 #include "jfr/recorder/jfrRecorder.hpp" 29 #include "jfr/recorder/checkpoint/jfrCheckpointManager.hpp" 30 #include "jfr/recorder/repository/jfrEmergencyDump.hpp" 31 32 bool Jfr::is_enabled() { 33 return JfrRecorder::is_enabled(); 34 } 35 36 bool Jfr::is_disabled() { 37 return JfrRecorder::is_disabled(); 38 } 39 40 bool Jfr::is_recording() { 41 return JfrRecorder::is_recording(); 42 } 43 44 jint Jfr::on_vm_init() { 45 return JfrRecorder::on_vm_init() ? JNI_OK : JNI_ERR; 46 } 47 48 jint Jfr::on_vm_start() { 49 return JfrRecorder::on_vm_start() ? JNI_OK : JNI_ERR; 50 } 51 52 void Jfr::on_unloading_classes() { 53 if (JfrRecorder::is_created()) { 54 JfrCheckpointManager::write_constant_tag_set_for_unloaded_classes(); 55 } 56 } 57 58 void Jfr::on_thread_exit(JavaThread* thread) { 59 if (JfrRecorder::is_recording()) { 60 JfrThreadData::on_exit(thread); 61 } 62 } 63 64 void Jfr::on_thread_destruct(Thread* thread) { 65 if (JfrRecorder::is_created()) { 66 JfrThreadData::on_destruct(thread); 67 } 68 } 69 70 void Jfr::on_vm_shutdown(bool exception_handler) { 71 if (JfrRecorder::is_recording()) { 72 JfrEmergencyDump::on_vm_shutdown(exception_handler); 73 } 74 }