1 /* 2 * Copyright (c) 1997, 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 #ifndef SHARE_VM_JFR_UTILITIES_JFRVMLOG_HPP 26 #define SHARE_VM_JFR_UTILITIES_JFRVMLOG_HPP 27 28 #include "runtime/os.hpp" 29 #include "utilities/debug.hpp" 30 31 #define log_error(...) (!log_is_enabled(Error, __VA_ARGS__)) ? (void)0 : tty->print_cr 32 #define log_warning(...) (!log_is_enabled(Warning, __VA_ARGS__)) ? (void)0 : tty->print_cr 33 #define log_info(...) (!log_is_enabled(Info, __VA_ARGS__)) ? (void)0 : tty->print_cr 34 #define log_debug(...) (!log_is_enabled(Debug, __VA_ARGS__)) ? (void)0 : tty->print_cr 35 #define log_trace(...) (!log_is_enabled(Trace, __VA_ARGS__)) ? (void)0 : tty->print_cr 36 37 #define log_is_enabled(level, ...) (LogImpl::is_level(LogLevel::level)) 38 39 class LogLevel : public AllStatic { 40 public: 41 enum type { 42 Off, 43 Trace, 44 Debug, 45 Info, 46 Warning, 47 Error 48 }; 49 }; 50 typedef LogLevel::type LogLevelType; 51 52 class LogImpl { 53 public: 54 55 LogImpl() {} 56 57 static bool is_level(LogLevelType level) { 58 if (PrintJFRLog || level == (jint)LogLevel::Error) { 59 return true; 60 } 61 62 return false; 63 } 64 }; 65 66 #endif