Wed, 27 Aug 2014 09:36:55 +0200
Merge
zgu@3900 | 1 | /* |
drchase@6680 | 2 | * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
zgu@3900 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
zgu@3900 | 4 | * |
zgu@3900 | 5 | * This code is free software; you can redistribute it and/or modify it |
zgu@3900 | 6 | * under the terms of the GNU General Public License version 2 only, as |
zgu@3900 | 7 | * published by the Free Software Foundation. |
zgu@3900 | 8 | * |
zgu@3900 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
zgu@3900 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
zgu@3900 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
zgu@3900 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
zgu@3900 | 13 | * accompanied this code). |
zgu@3900 | 14 | * |
zgu@3900 | 15 | * You should have received a copy of the GNU General Public License version |
zgu@3900 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
zgu@3900 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
zgu@3900 | 18 | * |
zgu@3900 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
zgu@3900 | 20 | * or visit www.oracle.com if you need additional information or have any |
zgu@3900 | 21 | * questions. |
zgu@3900 | 22 | * |
zgu@3900 | 23 | */ |
zgu@3900 | 24 | #include "precompiled.hpp" |
zgu@3900 | 25 | #include "services/nmtDCmd.hpp" |
zgu@3900 | 26 | #include "services/memReporter.hpp" |
zgu@3900 | 27 | #include "services/memTracker.hpp" |
zgu@3900 | 28 | #include "utilities/globalDefinitions.hpp" |
zgu@3900 | 29 | |
zgu@3900 | 30 | NMTDCmd::NMTDCmd(outputStream* output, |
zgu@3900 | 31 | bool heap): DCmdWithParser(output, heap), |
zgu@3900 | 32 | _summary("summary", "request runtime to report current memory summary, " \ |
zgu@3900 | 33 | "which includes total reserved and committed memory, along " \ |
zgu@3900 | 34 | "with memory usage summary by each subsytem.", |
zgu@3900 | 35 | "BOOLEAN", false, "false"), |
zgu@3900 | 36 | _detail("detail", "request runtime to report memory allocation >= " |
zgu@3900 | 37 | "1K by each callsite.", |
zgu@3900 | 38 | "BOOLEAN", false, "false"), |
zgu@3900 | 39 | _baseline("baseline", "request runtime to baseline current memory usage, " \ |
zgu@3900 | 40 | "so it can be compared against in later time.", |
zgu@3900 | 41 | "BOOLEAN", false, "false"), |
zgu@3900 | 42 | _summary_diff("summary.diff", "request runtime to report memory summary " \ |
zgu@3900 | 43 | "comparison against previous baseline.", |
zgu@3900 | 44 | "BOOLEAN", false, "false"), |
zgu@3900 | 45 | _detail_diff("detail.diff", "request runtime to report memory detail " \ |
zgu@3900 | 46 | "comparison against previous baseline, which shows the memory " \ |
zgu@3900 | 47 | "allocation activities at different callsites.", |
zgu@3900 | 48 | "BOOLEAN", false, "false"), |
zgu@3900 | 49 | _shutdown("shutdown", "request runtime to shutdown itself and free the " \ |
zgu@3900 | 50 | "memory used by runtime.", |
zgu@3900 | 51 | "BOOLEAN", false, "false"), |
zgu@4810 | 52 | _auto_shutdown("autoShutdown", "automatically shutdown itself under " \ |
zgu@4810 | 53 | "stress situation", |
zgu@4810 | 54 | "BOOLEAN", true, "true"), |
zgu@3900 | 55 | #ifndef PRODUCT |
zgu@3900 | 56 | _debug("debug", "print tracker statistics. Debug only, not thread safe", \ |
zgu@3900 | 57 | "BOOLEAN", false, "false"), |
zgu@3900 | 58 | #endif |
zgu@3900 | 59 | _scale("scale", "Memory usage in which scale, KB, MB or GB", |
zgu@3900 | 60 | "STRING", false, "KB") { |
zgu@3900 | 61 | _dcmdparser.add_dcmd_option(&_summary); |
zgu@3900 | 62 | _dcmdparser.add_dcmd_option(&_detail); |
zgu@3900 | 63 | _dcmdparser.add_dcmd_option(&_baseline); |
zgu@3900 | 64 | _dcmdparser.add_dcmd_option(&_summary_diff); |
zgu@3900 | 65 | _dcmdparser.add_dcmd_option(&_detail_diff); |
zgu@3900 | 66 | _dcmdparser.add_dcmd_option(&_shutdown); |
zgu@4810 | 67 | _dcmdparser.add_dcmd_option(&_auto_shutdown); |
zgu@3900 | 68 | #ifndef PRODUCT |
zgu@3900 | 69 | _dcmdparser.add_dcmd_option(&_debug); |
zgu@3900 | 70 | #endif |
zgu@3900 | 71 | _dcmdparser.add_dcmd_option(&_scale); |
zgu@3900 | 72 | } |
zgu@3900 | 73 | |
fparain@5047 | 74 | void NMTDCmd::execute(DCmdSource source, TRAPS) { |
zgu@3900 | 75 | const char* scale_value = _scale.value(); |
zgu@3900 | 76 | size_t scale_unit; |
zgu@3900 | 77 | if (strcmp(scale_value, "KB") == 0 || strcmp(scale_value, "kb") == 0) { |
zgu@3900 | 78 | scale_unit = K; |
zgu@3900 | 79 | } else if (strcmp(scale_value, "MB") == 0 || |
zgu@3900 | 80 | strcmp(scale_value, "mb") == 0) { |
zgu@3900 | 81 | scale_unit = M; |
zgu@3900 | 82 | } else if (strcmp(scale_value, "GB") == 0 || |
zgu@3900 | 83 | strcmp(scale_value, "gb") == 0) { |
zgu@3900 | 84 | scale_unit = G; |
zgu@3900 | 85 | } else { |
zgu@3900 | 86 | output()->print_cr("Incorrect scale value: %s", scale_value); |
zgu@3900 | 87 | return; |
zgu@3900 | 88 | } |
zgu@3900 | 89 | |
zgu@3900 | 90 | int nopt = 0; |
zgu@4810 | 91 | if (_summary.is_set() && _summary.value()) { ++nopt; } |
zgu@4810 | 92 | if (_detail.is_set() && _detail.value()) { ++nopt; } |
zgu@4810 | 93 | if (_baseline.is_set() && _baseline.value()) { ++nopt; } |
zgu@4810 | 94 | if (_summary_diff.is_set() && _summary_diff.value()) { ++nopt; } |
zgu@4810 | 95 | if (_detail_diff.is_set() && _detail_diff.value()) { ++nopt; } |
zgu@4810 | 96 | if (_shutdown.is_set() && _shutdown.value()) { ++nopt; } |
zgu@4810 | 97 | if (_auto_shutdown.is_set()) { ++nopt; } |
zgu@4810 | 98 | |
zgu@3900 | 99 | #ifndef PRODUCT |
zgu@4810 | 100 | if (_debug.is_set() && _debug.value()) { ++nopt; } |
zgu@3900 | 101 | #endif |
zgu@3900 | 102 | |
zgu@4810 | 103 | if (nopt > 1) { |
zgu@3900 | 104 | output()->print_cr("At most one of the following option can be specified: " \ |
zgu@3900 | 105 | "summary, detail, baseline, summary.diff, detail.diff, shutdown" |
zgu@3900 | 106 | #ifndef PRODUCT |
zgu@4348 | 107 | ", debug" |
zgu@3900 | 108 | #endif |
zgu@3900 | 109 | ); |
zgu@3900 | 110 | return; |
zgu@4348 | 111 | } else if (nopt == 0) { |
zgu@4348 | 112 | if (_summary.is_set()) { |
zgu@4348 | 113 | output()->print_cr("No command to execute"); |
zgu@4348 | 114 | return; |
zgu@4348 | 115 | } else { |
zgu@3900 | 116 | _summary.set_value(true); |
zgu@4348 | 117 | } |
zgu@3900 | 118 | } |
zgu@3900 | 119 | |
zgu@3900 | 120 | #ifndef PRODUCT |
zgu@3900 | 121 | if (_debug.value()) { |
zgu@3900 | 122 | output()->print_cr("debug command is NOT thread-safe, may cause crash"); |
zgu@3900 | 123 | MemTracker::print_tracker_stats(output()); |
zgu@3900 | 124 | return; |
zgu@3900 | 125 | } |
zgu@3900 | 126 | #endif |
zgu@3900 | 127 | |
zgu@3900 | 128 | // native memory tracking has to be on |
zgu@3900 | 129 | if (!MemTracker::is_on() || MemTracker::shutdown_in_progress()) { |
zgu@3900 | 130 | // if it is not on, what's the reason? |
drchase@6680 | 131 | output()->print_cr("%s", MemTracker::reason()); |
zgu@3900 | 132 | return; |
zgu@3900 | 133 | } |
zgu@3900 | 134 | |
zgu@3900 | 135 | if (_summary.value()) { |
zgu@3900 | 136 | BaselineTTYOutputer outputer(output()); |
zgu@3900 | 137 | MemTracker::print_memory_usage(outputer, scale_unit, true); |
zgu@3900 | 138 | } else if (_detail.value()) { |
zgu@3900 | 139 | BaselineTTYOutputer outputer(output()); |
zgu@3900 | 140 | MemTracker::print_memory_usage(outputer, scale_unit, false); |
zgu@3900 | 141 | } else if (_baseline.value()) { |
zgu@3900 | 142 | if (MemTracker::baseline()) { |
zgu@3900 | 143 | output()->print_cr("Successfully baselined."); |
zgu@3900 | 144 | } else { |
zgu@3900 | 145 | output()->print_cr("Baseline failed."); |
zgu@3900 | 146 | } |
zgu@3900 | 147 | } else if (_summary_diff.value()) { |
zgu@3900 | 148 | if (MemTracker::has_baseline()) { |
zgu@3900 | 149 | BaselineTTYOutputer outputer(output()); |
zgu@3900 | 150 | MemTracker::compare_memory_usage(outputer, scale_unit, true); |
zgu@3900 | 151 | } else { |
zgu@3900 | 152 | output()->print_cr("No baseline to compare, run 'baseline' command first"); |
zgu@3900 | 153 | } |
zgu@3900 | 154 | } else if (_detail_diff.value()) { |
zgu@3900 | 155 | if (MemTracker::has_baseline()) { |
zgu@3900 | 156 | BaselineTTYOutputer outputer(output()); |
zgu@3900 | 157 | MemTracker::compare_memory_usage(outputer, scale_unit, false); |
zgu@3900 | 158 | } else { |
zgu@3900 | 159 | output()->print_cr("No baseline to compare to, run 'baseline' command first"); |
zgu@3900 | 160 | } |
zgu@3900 | 161 | } else if (_shutdown.value()) { |
zgu@3900 | 162 | MemTracker::shutdown(MemTracker::NMT_shutdown_user); |
zgu@3900 | 163 | output()->print_cr("Shutdown is in progress, it will take a few moments to " \ |
zgu@3900 | 164 | "completely shutdown"); |
zgu@4810 | 165 | } else if (_auto_shutdown.is_set()) { |
zgu@4810 | 166 | MemTracker::set_autoShutdown(_auto_shutdown.value()); |
zgu@3900 | 167 | } else { |
zgu@3900 | 168 | ShouldNotReachHere(); |
zgu@3900 | 169 | output()->print_cr("Unknown command"); |
zgu@3900 | 170 | } |
zgu@3900 | 171 | } |
zgu@3900 | 172 | |
zgu@3900 | 173 | int NMTDCmd::num_arguments() { |
zgu@3900 | 174 | ResourceMark rm; |
zgu@3900 | 175 | NMTDCmd* dcmd = new NMTDCmd(NULL, false); |
zgu@3900 | 176 | if (dcmd != NULL) { |
zgu@3900 | 177 | DCmdMark mark(dcmd); |
zgu@3900 | 178 | return dcmd->_dcmdparser.num_arguments(); |
zgu@3900 | 179 | } else { |
zgu@3900 | 180 | return 0; |
zgu@3900 | 181 | } |
zgu@3900 | 182 | } |
zgu@3900 | 183 |