jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1Log.cpp@595c0f60d50d

8029075: String deduplication in G1
Summary: Implementation of JEP 192, http://openjdk.java.net/jeps/192
Reviewed-by: brutisso, tschatzl, coleenp

     1 /*

     2  * Copyright (c) 2012, 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  */

    25 #include "precompiled.hpp"

    26 #include "gc_implementation/g1/g1_globals.hpp"

    27 #include "gc_implementation/g1/g1Log.hpp"

    28 #include "runtime/globals.hpp"

    30 G1Log::LogLevel G1Log::_level = G1Log::LevelNone;

    32 // If G1LogLevel has not been set up we will use the values of PrintGC

    33 // and PrintGCDetails for the logging level.

    34 // - PrintGC maps to "fine".

    35 // - PrintGCDetails maps to "finer".

    36 void G1Log::init() {

    37   if (G1LogLevel != NULL && G1LogLevel[0] != '\0') {

    38     if (strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {

    39       _level = LevelNone;

    40     } else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {

    41       _level = LevelFine;

    42     } else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') {

    43       _level = LevelFiner;

    44     } else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') {

    45       _level = LevelFinest;

    46     } else {

    47       warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel);

    48     }

    49   } else {

    50     if (PrintGCDetails) {

    51       _level = LevelFiner;

    52     } else if (PrintGC) {

    53       _level = LevelFine;

    54     }

    55   }

    56 }

Mercurial > jdk8-mips64-public > hotspot / file revision