Mercurial > hg > truffle
annotate src/share/vm/services/nmtDCmd.cpp @ 21784:f4e1d958f1c3
[AMD64] Create AMD64 specific address nodes.
| author | Roland Schatz <roland.schatz@oracle.com> |
|---|---|
| date | Mon, 08 Jun 2015 19:19:45 +0200 |
| parents | 833b0f92429a |
| children |
| rev | line source |
|---|---|
| 6197 | 1 /* |
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2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
| 6197 | 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" | |
| 20360 | 25 |
| 26 #include "runtime/mutexLocker.hpp" | |
| 6197 | 27 #include "services/nmtDCmd.hpp" |
| 28 #include "services/memReporter.hpp" | |
| 29 #include "services/memTracker.hpp" | |
| 30 #include "utilities/globalDefinitions.hpp" | |
| 31 | |
| 32 NMTDCmd::NMTDCmd(outputStream* output, | |
| 33 bool heap): DCmdWithParser(output, heap), | |
| 34 _summary("summary", "request runtime to report current memory summary, " \ | |
| 35 "which includes total reserved and committed memory, along " \ | |
| 36 "with memory usage summary by each subsytem.", | |
| 37 "BOOLEAN", false, "false"), | |
| 38 _detail("detail", "request runtime to report memory allocation >= " | |
| 39 "1K by each callsite.", | |
| 40 "BOOLEAN", false, "false"), | |
| 41 _baseline("baseline", "request runtime to baseline current memory usage, " \ | |
| 42 "so it can be compared against in later time.", | |
| 43 "BOOLEAN", false, "false"), | |
| 44 _summary_diff("summary.diff", "request runtime to report memory summary " \ | |
| 45 "comparison against previous baseline.", | |
| 46 "BOOLEAN", false, "false"), | |
| 47 _detail_diff("detail.diff", "request runtime to report memory detail " \ | |
| 48 "comparison against previous baseline, which shows the memory " \ | |
| 49 "allocation activities at different callsites.", | |
| 50 "BOOLEAN", false, "false"), | |
| 51 _shutdown("shutdown", "request runtime to shutdown itself and free the " \ | |
| 52 "memory used by runtime.", | |
| 53 "BOOLEAN", false, "false"), | |
| 20360 | 54 _statistics("statistics", "print tracker statistics for tuning purpose.", \ |
| 6197 | 55 "BOOLEAN", false, "false"), |
| 56 _scale("scale", "Memory usage in which scale, KB, MB or GB", | |
| 57 "STRING", false, "KB") { | |
| 58 _dcmdparser.add_dcmd_option(&_summary); | |
| 59 _dcmdparser.add_dcmd_option(&_detail); | |
| 60 _dcmdparser.add_dcmd_option(&_baseline); | |
| 61 _dcmdparser.add_dcmd_option(&_summary_diff); | |
| 62 _dcmdparser.add_dcmd_option(&_detail_diff); | |
| 63 _dcmdparser.add_dcmd_option(&_shutdown); | |
| 20360 | 64 _dcmdparser.add_dcmd_option(&_statistics); |
| 6197 | 65 _dcmdparser.add_dcmd_option(&_scale); |
| 66 } | |
| 67 | |
| 20360 | 68 |
| 69 size_t NMTDCmd::get_scale(const char* scale) const { | |
| 70 if (scale == NULL) return 0; | |
| 71 return NMTUtil::scale_from_name(scale); | |
| 72 } | |
| 73 | |
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74 void NMTDCmd::execute(DCmdSource source, TRAPS) { |
| 20360 | 75 // Check NMT state |
| 76 // native memory tracking has to be on | |
| 77 if (MemTracker::tracking_level() == NMT_off) { | |
| 78 output()->print_cr("Native memory tracking is not enabled"); | |
| 79 return; | |
| 80 } else if (MemTracker::tracking_level() == NMT_minimal) { | |
| 81 output()->print_cr("Native memory tracking has been shutdown"); | |
| 82 return; | |
| 83 } | |
| 84 | |
| 6197 | 85 const char* scale_value = _scale.value(); |
| 20360 | 86 size_t scale_unit = get_scale(scale_value); |
| 87 if (scale_unit == 0) { | |
| 6197 | 88 output()->print_cr("Incorrect scale value: %s", scale_value); |
| 89 return; | |
| 90 } | |
| 91 | |
| 92 int nopt = 0; | |
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93 if (_summary.is_set() && _summary.value()) { ++nopt; } |
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94 if (_detail.is_set() && _detail.value()) { ++nopt; } |
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95 if (_baseline.is_set() && _baseline.value()) { ++nopt; } |
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96 if (_summary_diff.is_set() && _summary_diff.value()) { ++nopt; } |
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97 if (_detail_diff.is_set() && _detail_diff.value()) { ++nopt; } |
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98 if (_shutdown.is_set() && _shutdown.value()) { ++nopt; } |
| 20360 | 99 if (_statistics.is_set() && _statistics.value()) { ++nopt; } |
| 6197 | 100 |
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101 if (nopt > 1) { |
| 6197 | 102 output()->print_cr("At most one of the following option can be specified: " \ |
| 20360 | 103 "summary, detail, baseline, summary.diff, detail.diff, shutdown"); |
| 6197 | 104 return; |
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105 } else if (nopt == 0) { |
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106 if (_summary.is_set()) { |
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107 output()->print_cr("No command to execute"); |
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108 return; |
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109 } else { |
| 6197 | 110 _summary.set_value(true); |
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111 } |
| 6197 | 112 } |
| 113 | |
| 20360 | 114 // Serialize NMT query |
| 115 MutexLocker locker(MemTracker::query_lock()); | |
| 6197 | 116 |
| 117 if (_summary.value()) { | |
| 20360 | 118 report(true, scale_unit); |
| 6197 | 119 } else if (_detail.value()) { |
| 20360 | 120 if (!check_detail_tracking_level(output())) { |
| 121 return; | |
| 122 } | |
| 123 report(false, scale_unit); | |
| 6197 | 124 } else if (_baseline.value()) { |
| 20360 | 125 MemBaseline& baseline = MemTracker::get_baseline(); |
| 126 if (!baseline.baseline(MemTracker::tracking_level() != NMT_detail)) { | |
| 127 output()->print_cr("Baseline failed"); | |
| 6197 | 128 } else { |
| 20360 | 129 output()->print_cr("Baseline succeeded"); |
| 6197 | 130 } |
| 131 } else if (_summary_diff.value()) { | |
| 20360 | 132 MemBaseline& baseline = MemTracker::get_baseline(); |
| 133 if (baseline.baseline_type() >= MemBaseline::Summary_baselined) { | |
| 134 report_diff(true, scale_unit); | |
| 6197 | 135 } else { |
| 20360 | 136 output()->print_cr("No baseline for comparison"); |
| 6197 | 137 } |
| 138 } else if (_detail_diff.value()) { | |
| 20360 | 139 if (!check_detail_tracking_level(output())) { |
| 140 return; | |
| 141 } | |
| 142 MemBaseline& baseline = MemTracker::get_baseline(); | |
| 143 if (baseline.baseline_type() == MemBaseline::Detail_baselined) { | |
| 144 report_diff(false, scale_unit); | |
| 6197 | 145 } else { |
| 20360 | 146 output()->print_cr("No detail baseline for comparison"); |
| 6197 | 147 } |
| 148 } else if (_shutdown.value()) { | |
| 20360 | 149 MemTracker::shutdown(); |
| 150 output()->print_cr("Native memory tracking has been turned off"); | |
| 151 } else if (_statistics.value()) { | |
| 152 if (check_detail_tracking_level(output())) { | |
| 153 MemTracker::tuning_statistics(output()); | |
| 154 } | |
| 6197 | 155 } else { |
| 156 ShouldNotReachHere(); | |
| 157 output()->print_cr("Unknown command"); | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 int NMTDCmd::num_arguments() { | |
| 162 ResourceMark rm; | |
| 163 NMTDCmd* dcmd = new NMTDCmd(NULL, false); | |
| 164 if (dcmd != NULL) { | |
| 165 DCmdMark mark(dcmd); | |
| 166 return dcmd->_dcmdparser.num_arguments(); | |
| 167 } else { | |
| 168 return 0; | |
| 169 } | |
| 170 } | |
| 171 | |
| 20360 | 172 void NMTDCmd::report(bool summaryOnly, size_t scale_unit) { |
| 173 MemBaseline baseline; | |
| 174 if (baseline.baseline(summaryOnly)) { | |
| 175 if (summaryOnly) { | |
| 176 MemSummaryReporter rpt(baseline, output(), scale_unit); | |
| 177 rpt.report(); | |
| 178 } else { | |
| 179 MemDetailReporter rpt(baseline, output(), scale_unit); | |
| 180 rpt.report(); | |
| 181 } | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 void NMTDCmd::report_diff(bool summaryOnly, size_t scale_unit) { | |
| 186 MemBaseline& early_baseline = MemTracker::get_baseline(); | |
| 187 assert(early_baseline.baseline_type() != MemBaseline::Not_baselined, | |
| 188 "Not yet baselined"); | |
| 189 assert(summaryOnly || early_baseline.baseline_type() == MemBaseline::Detail_baselined, | |
| 190 "Not a detail baseline"); | |
| 191 | |
| 192 MemBaseline baseline; | |
| 193 if (baseline.baseline(summaryOnly)) { | |
| 194 if (summaryOnly) { | |
| 195 MemSummaryDiffReporter rpt(early_baseline, baseline, output(), scale_unit); | |
| 196 rpt.report_diff(); | |
| 197 } else { | |
| 198 MemDetailDiffReporter rpt(early_baseline, baseline, output(), scale_unit); | |
| 199 rpt.report_diff(); | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 bool NMTDCmd::check_detail_tracking_level(outputStream* out) { | |
| 205 if (MemTracker::tracking_level() == NMT_detail) { | |
| 206 return true; | |
| 207 } else if (MemTracker::cmdline_tracking_level() == NMT_detail) { | |
| 208 out->print_cr("Tracking level has been downgraded due to lack of resources"); | |
| 209 return false; | |
| 210 } else { | |
| 211 out->print_cr("Detail tracking is not enabled"); | |
| 212 return false; | |
| 213 } | |
| 214 } |