1 /* |
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2 * Copyright (c) 2012, 2015, 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/g1/g1Log.hpp" |
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27 #include "gc/g1/g1_globals.hpp" |
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28 #include "runtime/globals_extension.hpp" |
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29 |
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30 G1Log::LogLevel G1Log::_level = G1Log::LevelNone; |
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31 |
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32 |
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33 // Updates _level based on PrintGC and PrintGCDetails values (unless |
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34 // G1LogLevel is set explicitly) |
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35 // - PrintGC maps to "fine". |
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36 // - PrintGCDetails maps to "finer". |
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37 void G1Log::update_level() { |
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38 if (FLAG_IS_DEFAULT(G1LogLevel)) { |
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39 _level = LevelNone; |
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40 if (PrintGCDetails) { |
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41 _level = LevelFiner; |
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42 } else if (PrintGC) { |
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43 _level = LevelFine; |
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44 } |
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45 } |
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46 } |
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47 |
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48 |
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49 // If G1LogLevel has not been set up we will use the values of PrintGC |
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50 // and PrintGCDetails for the logging level. |
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51 void G1Log::init() { |
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52 if (!FLAG_IS_DEFAULT(G1LogLevel)) { |
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53 // PrintGC flags change won't have any affect, because G1LogLevel |
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54 // is set explicitly |
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55 if (G1LogLevel[0] == '\0' || strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') { |
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56 _level = LevelNone; |
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57 } else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') { |
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58 _level = LevelFine; |
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59 } else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') { |
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60 _level = LevelFiner; |
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61 } else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') { |
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62 _level = LevelFinest; |
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63 } else { |
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64 warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel); |
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65 } |
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66 } else { |
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67 update_level(); |
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68 } |
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69 } |
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70 |
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