src/share/vm/services/nmtCommon.cpp

Mon, 12 Aug 2019 18:30:40 +0300

author
apetushkov
date
Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858
b985cbb00e68
parent 7074
833b0f92429a
permissions
-rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

     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 }

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