71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc/g1/g1Log.hpp"
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#include "gc/g1/g1_globals.hpp"
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#include "runtime/globals_extension.hpp"
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G1Log::LogLevel G1Log::_level = G1Log::LevelNone;
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// Updates _level based on PrintGC and PrintGCDetails values (unless
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// G1LogLevel is set explicitly)
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// - PrintGC maps to "fine".
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// - PrintGCDetails maps to "finer".
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void G1Log::update_level() {
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if (FLAG_IS_DEFAULT(G1LogLevel)) {
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_level = LevelNone;
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if (PrintGCDetails) {
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_level = LevelFiner;
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} else if (PrintGC) {
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_level = LevelFine;
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}
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}
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}
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// If G1LogLevel has not been set up we will use the values of PrintGC
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// and PrintGCDetails for the logging level.
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void G1Log::init() {
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if (!FLAG_IS_DEFAULT(G1LogLevel)) {
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// PrintGC flags change won't have any affect, because G1LogLevel
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// is set explicitly
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if (G1LogLevel[0] == '\0' || strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
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_level = LevelNone;
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} else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
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_level = LevelFine;
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} else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') {
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_level = LevelFiner;
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} else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') {
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_level = LevelFinest;
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} else {
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warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel);
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}
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} else {
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update_level();
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}
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}
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