jdk8-mips64-public/hotspot: src/share/vm/services/nmtCommon.cpp@833b0f92429a

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

     1 /*

     2  * Copyright (c) 2013, 2014, 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  */

    24 #include "precompiled.hpp"

    25 #include "services/nmtCommon.hpp"

    27 const char* NMTUtil::_memory_type_names[] = {

    28   "Java Heap",

    29   "Class",

    30   "Thread",

    31   "Thread Stack",

    32   "Code",

    33   "GC",

    34   "Compiler",

    35   "Internal",

    36   "Other",

    37   "Symbol",

    38   "Native Memory Tracking",

    39   "Shared class space",

    40   "Arena Chunk",

    41   "Test",

    42   "Tracing",

    43   "Unknown"

    44 };

    47 const char* NMTUtil::scale_name(size_t scale) {

    48   switch(scale) {

    49     case K: return "KB";

    50     case M: return "MB";

    51     case G: return "GB";

    52   }

    53   ShouldNotReachHere();

    54   return NULL;

    55 }

    57 size_t NMTUtil::scale_from_name(const char* scale) {

    58   assert(scale != NULL, "Null pointer check");

    59   if (strncmp(scale, "KB", 2) == 0 ||

    60       strncmp(scale, "kb", 2) == 0) {

    61     return K;

    62   } else if (strncmp(scale, "MB", 2) == 0 ||

    63              strncmp(scale, "mb", 2) == 0) {

    64     return M;

    65   } else if (strncmp(scale, "GB", 2) == 0 ||

    66              strncmp(scale, "gb", 2) == 0) {

    67     return G;

    68   } else {

    69     return 0; // Invalid value

    70   }

    71   return K;

    72 }

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

src/share/vm/services/nmtCommon.cpp@833b0f92429a

src/share/vm/services/nmtCommon.cpp