Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1Log.cpp @ 6007:5c86f8211d1e
7160728: Introduce an extra logging level for G1 logging
Summary: Added log levels "fine", "finer" and "finest". Let PrintGC map to "fine" and PrintGCDetails map to "finer". Separated out the per worker information in the G1 logging to the "finest" level.
Reviewed-by: stefank, jwilhelm, tonyp, johnc
author | brutisso |
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date | Fri, 13 Apr 2012 01:59:38 +0200 |
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1 /* |
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2 * Copyright (c) 2012, 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/g1_globals.hpp" |
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27 #include "gc_implementation/g1/g1Log.hpp" |
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28 #include "runtime/globals.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 // If G1LogLevel has not been set up we will use the values of PrintGC |
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33 // and PrintGCDetails for the logging level. |
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34 // - PrintGC maps to "fine". |
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35 // - PrintGCDetails maps to "finer". |
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36 void G1Log::init() { |
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37 if (G1LogLevel != NULL && G1LogLevel[0] != '\0') { |
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38 if (strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') { |
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39 _level = LevelNone; |
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40 } else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') { |
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41 _level = LevelFine; |
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42 } else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') { |
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43 _level = LevelFiner; |
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44 } else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') { |
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45 _level = LevelFinest; |
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46 } else { |
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47 warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel); |
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48 } |
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49 } else { |
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50 if (PrintGCDetails) { |
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51 _level = LevelFiner; |
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52 } else if (PrintGC) { |
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53 _level = LevelFine; |
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54 } |
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55 } |
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56 } |