1 /* 2 * Copyright (c) 2011, 2015, 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 "gc/g1/g1ErgoVerbose.hpp" 27 #include "utilities/ostream.hpp" 28 29 ErgoLevel G1ErgoVerbose::_level; 30 bool G1ErgoVerbose::_enabled[ErgoHeuristicNum]; 31 32 void G1ErgoVerbose::initialize() { 33 set_level(ErgoLow); 34 set_enabled(false); 35 } 36 37 void G1ErgoVerbose::set_level(ErgoLevel level) { 38 _level = level; 39 } 40 41 void G1ErgoVerbose::set_enabled(ErgoHeuristic n, bool enabled) { 42 assert(0 <= n && n < ErgoHeuristicNum, "pre-condition"); 43 _enabled[n] = enabled; 44 } 45 46 void G1ErgoVerbose::set_enabled(bool enabled) { 47 for (int n = 0; n < ErgoHeuristicNum; n += 1) { 48 set_enabled((ErgoHeuristic) n, enabled); 49 } 50 } 51 52 const char* G1ErgoVerbose::to_string(int tag) { 53 ErgoHeuristic n = extract_heuristic(tag); 54 switch (n) { 55 case ErgoHeapSizing: return "Heap Sizing"; 56 case ErgoCSetConstruction: return "CSet Construction"; 57 case ErgoConcCycles: return "Concurrent Cycles"; 58 case ErgoMixedGCs: return "Mixed GCs"; 59 case ErgoTiming: return "Timing"; 60 default: 61 ShouldNotReachHere(); 62 // Keep the Windows compiler happy 63 return NULL; 64 } 65 }