Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/services/nmtCommon.cpp@833b0f92429a (annotated)
src/share/vm/services/nmtCommon.cpp
Wed, 27 Aug 2014 08:19:12 -0400
- author
- zgu
- date
- Wed, 27 Aug 2014 08:19:12 -0400
- changeset 7074
- 833b0f92429a
- permissions
- -rw-r--r--
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
| zgu@7074 | 1 | /* |
| zgu@7074 | 2 | * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
| zgu@7074 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| zgu@7074 | 4 | * |
| zgu@7074 | 5 | * This code is free software; you can redistribute it and/or modify it |
| zgu@7074 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| zgu@7074 | 7 | * published by the Free Software Foundation. |
| zgu@7074 | 8 | * |
| zgu@7074 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| zgu@7074 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| zgu@7074 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| zgu@7074 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| zgu@7074 | 13 | * accompanied this code). |
| zgu@7074 | 14 | * |
| zgu@7074 | 15 | * You should have received a copy of the GNU General Public License version |
| zgu@7074 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| zgu@7074 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| zgu@7074 | 18 | * |
| zgu@7074 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| zgu@7074 | 20 | * or visit www.oracle.com if you need additional information or have any |
| zgu@7074 | 21 | * questions. |
| zgu@7074 | 22 | * |
| zgu@7074 | 23 | */ |
| zgu@7074 | 24 | #include "precompiled.hpp" |
| zgu@7074 | 25 | #include "services/nmtCommon.hpp" |
| zgu@7074 | 26 | |
| zgu@7074 | 27 | const char* NMTUtil::_memory_type_names[] = { |
| zgu@7074 | 28 | "Java Heap", |
| zgu@7074 | 29 | "Class", |
| zgu@7074 | 30 | "Thread", |
| zgu@7074 | 31 | "Thread Stack", |
| zgu@7074 | 32 | "Code", |
| zgu@7074 | 33 | "GC", |
| zgu@7074 | 34 | "Compiler", |
| zgu@7074 | 35 | "Internal", |
| zgu@7074 | 36 | "Other", |
| zgu@7074 | 37 | "Symbol", |
| zgu@7074 | 38 | "Native Memory Tracking", |
| zgu@7074 | 39 | "Shared class space", |
| zgu@7074 | 40 | "Arena Chunk", |
| zgu@7074 | 41 | "Test", |
| zgu@7074 | 42 | "Tracing", |
| zgu@7074 | 43 | "Unknown" |
| zgu@7074 | 44 | }; |
| zgu@7074 | 45 | |
| zgu@7074 | 46 | |
| zgu@7074 | 47 | const char* NMTUtil::scale_name(size_t scale) { |
| zgu@7074 | 48 | switch(scale) { |
| zgu@7074 | 49 | case K: return "KB"; |
| zgu@7074 | 50 | case M: return "MB"; |
| zgu@7074 | 51 | case G: return "GB"; |
| zgu@7074 | 52 | } |
| zgu@7074 | 53 | ShouldNotReachHere(); |
| zgu@7074 | 54 | return NULL; |
| zgu@7074 | 55 | } |
| zgu@7074 | 56 | |
| zgu@7074 | 57 | size_t NMTUtil::scale_from_name(const char* scale) { |
| zgu@7074 | 58 | assert(scale != NULL, "Null pointer check"); |
| zgu@7074 | 59 | if (strncmp(scale, "KB", 2) == 0 || |
| zgu@7074 | 60 | strncmp(scale, "kb", 2) == 0) { |
| zgu@7074 | 61 | return K; |
| zgu@7074 | 62 | } else if (strncmp(scale, "MB", 2) == 0 || |
| zgu@7074 | 63 | strncmp(scale, "mb", 2) == 0) { |
| zgu@7074 | 64 | return M; |
| zgu@7074 | 65 | } else if (strncmp(scale, "GB", 2) == 0 || |
| zgu@7074 | 66 | strncmp(scale, "gb", 2) == 0) { |
| zgu@7074 | 67 | return G; |
| zgu@7074 | 68 | } else { |
| zgu@7074 | 69 | return 0; // Invalid value |
| zgu@7074 | 70 | } |
| zgu@7074 | 71 | return K; |
| zgu@7074 | 72 | } |
| zgu@7074 | 73 |
