/* * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_JFR_JFR_HPP #define SHARE_JFR_JFR_HPP #include "jni.h" #include "memory/allocation.hpp" class BoolObjectClosure; class JavaThread; class OopClosure; class Thread; extern "C" void JNICALL jfr_register_natives(JNIEnv*, jclass); // // The VM interface to Flight Recorder. // class Jfr : AllStatic { public: static bool is_enabled(); static bool is_disabled(); static bool is_recording(); static void on_create_vm_1(); static void on_create_vm_2(); static void on_create_vm_3(); static void on_unloading_classes(); static void on_thread_start(Thread* thread); static void on_thread_exit(Thread* thread); static void on_java_thread_dismantle(JavaThread* jt); static void on_vm_shutdown(bool exception_handler = false); static bool on_flight_recorder_option(const JavaVMOption** option, char* delimiter); static bool on_start_flight_recording_option(const JavaVMOption** option, char* delimiter); static void on_vm_error_report(outputStream* st); static void weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f); static void exclude_thread(Thread* thread); static bool is_excluded(Thread* thread); static void include_thread(Thread* thread); }; #endif // SHARE_JFR_JFR_HPP