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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "gc_implementation/g1/g1ErgoVerbose.hpp" |
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27 #include "utilities/ostream.hpp" |
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28 |
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29 ErgoLevel G1ErgoVerbose::_level; |
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30 bool G1ErgoVerbose::_enabled[ErgoHeuristicNum]; |
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31 |
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32 void G1ErgoVerbose::initialize() { |
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33 set_level(ErgoLow); |
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34 set_enabled(false); |
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35 } |
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36 |
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37 void G1ErgoVerbose::set_level(ErgoLevel level) { |
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38 _level = level; |
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39 } |
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40 |
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41 void G1ErgoVerbose::set_enabled(ErgoHeuristic n, bool enabled) { |
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42 assert(0 <= n && n < ErgoHeuristicNum, "pre-condition"); |
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43 _enabled[n] = enabled; |
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44 } |
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45 |
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46 void G1ErgoVerbose::set_enabled(bool enabled) { |
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47 for (int n = 0; n < ErgoHeuristicNum; n += 1) { |
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48 set_enabled((ErgoHeuristic) n, enabled); |
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49 } |
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50 } |
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51 |
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52 const char* G1ErgoVerbose::to_string(int tag) { |
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53 ErgoHeuristic n = extract_heuristic(tag); |
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54 switch (n) { |
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55 case ErgoHeapSizing: return "Heap Sizing"; |
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56 case ErgoCSetConstruction: return "CSet Construction"; |
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57 case ErgoConcCycles: return "Concurrent Cycles"; |
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58 case ErgoPartiallyYoungGCs: return "Partially-Young GCs"; |
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59 default: |
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60 ShouldNotReachHere(); |
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61 // Keep the Windows compiler happy |
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62 return NULL; |
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63 } |
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64 } |
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65 |