Mercurial > hg > graal-compiler
annotate src/share/vm/services/nmtDCmd.cpp @ 7462:ade95d680b42
8004728: Add hotspot support for parameter reflection
Summary: Add hotspot support for parameter reflection
Reviewed-by: acorn, jrose, coleenp
Contributed-by: eric.mccorkle@oracle.com
author | coleenp |
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date | Tue, 08 Jan 2013 14:01:36 -0500 |
parents | 3f84e17b6bca |
children | 06db4c0afbf3 |
rev | line source |
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6197 | 1 /* |
2 * Copyright (c) 2012, 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/nmtDCmd.hpp" | |
26 #include "services/memReporter.hpp" | |
27 #include "services/memTracker.hpp" | |
28 #include "utilities/globalDefinitions.hpp" | |
29 | |
30 NMTDCmd::NMTDCmd(outputStream* output, | |
31 bool heap): DCmdWithParser(output, heap), | |
32 _summary("summary", "request runtime to report current memory summary, " \ | |
33 "which includes total reserved and committed memory, along " \ | |
34 "with memory usage summary by each subsytem.", | |
35 "BOOLEAN", false, "false"), | |
36 _detail("detail", "request runtime to report memory allocation >= " | |
37 "1K by each callsite.", | |
38 "BOOLEAN", false, "false"), | |
39 _baseline("baseline", "request runtime to baseline current memory usage, " \ | |
40 "so it can be compared against in later time.", | |
41 "BOOLEAN", false, "false"), | |
42 _summary_diff("summary.diff", "request runtime to report memory summary " \ | |
43 "comparison against previous baseline.", | |
44 "BOOLEAN", false, "false"), | |
45 _detail_diff("detail.diff", "request runtime to report memory detail " \ | |
46 "comparison against previous baseline, which shows the memory " \ | |
47 "allocation activities at different callsites.", | |
48 "BOOLEAN", false, "false"), | |
49 _shutdown("shutdown", "request runtime to shutdown itself and free the " \ | |
50 "memory used by runtime.", | |
51 "BOOLEAN", false, "false"), | |
52 #ifndef PRODUCT | |
53 _debug("debug", "print tracker statistics. Debug only, not thread safe", \ | |
54 "BOOLEAN", false, "false"), | |
55 #endif | |
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); | |
64 #ifndef PRODUCT | |
65 _dcmdparser.add_dcmd_option(&_debug); | |
66 #endif | |
67 _dcmdparser.add_dcmd_option(&_scale); | |
68 } | |
69 | |
70 void NMTDCmd::execute(TRAPS) { | |
71 const char* scale_value = _scale.value(); | |
72 size_t scale_unit; | |
73 if (strcmp(scale_value, "KB") == 0 || strcmp(scale_value, "kb") == 0) { | |
74 scale_unit = K; | |
75 } else if (strcmp(scale_value, "MB") == 0 || | |
76 strcmp(scale_value, "mb") == 0) { | |
77 scale_unit = M; | |
78 } else if (strcmp(scale_value, "GB") == 0 || | |
79 strcmp(scale_value, "gb") == 0) { | |
80 scale_unit = G; | |
81 } else { | |
82 output()->print_cr("Incorrect scale value: %s", scale_value); | |
83 return; | |
84 } | |
85 | |
86 int nopt = 0; | |
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87 if(_summary.is_set() && _summary.value()) { ++nopt; } |
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88 if(_detail.is_set() && _detail.value()) { ++nopt; } |
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89 if(_baseline.is_set() && _baseline.value()) { ++nopt; } |
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90 if(_summary_diff.is_set() && _summary_diff.value()) { ++nopt; } |
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91 if(_detail_diff.is_set() && _detail_diff.value()) { ++nopt; } |
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92 if(_shutdown.is_set() && _shutdown.value()) { ++nopt; } |
6197 | 93 #ifndef PRODUCT |
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94 if(_debug.is_set() && _debug.value()) { ++nopt; } |
6197 | 95 #endif |
96 | |
97 if(nopt > 1) { | |
98 output()->print_cr("At most one of the following option can be specified: " \ | |
99 "summary, detail, baseline, summary.diff, detail.diff, shutdown" | |
100 #ifndef PRODUCT | |
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101 ", debug" |
6197 | 102 #endif |
103 ); | |
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 | |
114 #ifndef PRODUCT | |
115 if (_debug.value()) { | |
116 output()->print_cr("debug command is NOT thread-safe, may cause crash"); | |
117 MemTracker::print_tracker_stats(output()); | |
118 return; | |
119 } | |
120 #endif | |
121 | |
122 // native memory tracking has to be on | |
123 if (!MemTracker::is_on() || MemTracker::shutdown_in_progress()) { | |
124 // if it is not on, what's the reason? | |
125 output()->print_cr(MemTracker::reason()); | |
126 return; | |
127 } | |
128 | |
129 if (_summary.value()) { | |
130 BaselineTTYOutputer outputer(output()); | |
131 MemTracker::print_memory_usage(outputer, scale_unit, true); | |
132 } else if (_detail.value()) { | |
133 BaselineTTYOutputer outputer(output()); | |
134 MemTracker::print_memory_usage(outputer, scale_unit, false); | |
135 } else if (_baseline.value()) { | |
136 if (MemTracker::baseline()) { | |
137 output()->print_cr("Successfully baselined."); | |
138 } else { | |
139 output()->print_cr("Baseline failed."); | |
140 } | |
141 } else if (_summary_diff.value()) { | |
142 if (MemTracker::has_baseline()) { | |
143 BaselineTTYOutputer outputer(output()); | |
144 MemTracker::compare_memory_usage(outputer, scale_unit, true); | |
145 } else { | |
146 output()->print_cr("No baseline to compare, run 'baseline' command first"); | |
147 } | |
148 } else if (_detail_diff.value()) { | |
149 if (MemTracker::has_baseline()) { | |
150 BaselineTTYOutputer outputer(output()); | |
151 MemTracker::compare_memory_usage(outputer, scale_unit, false); | |
152 } else { | |
153 output()->print_cr("No baseline to compare to, run 'baseline' command first"); | |
154 } | |
155 } else if (_shutdown.value()) { | |
156 MemTracker::shutdown(MemTracker::NMT_shutdown_user); | |
157 output()->print_cr("Shutdown is in progress, it will take a few moments to " \ | |
158 "completely shutdown"); | |
159 } else { | |
160 ShouldNotReachHere(); | |
161 output()->print_cr("Unknown command"); | |
162 } | |
163 } | |
164 | |
165 int NMTDCmd::num_arguments() { | |
166 ResourceMark rm; | |
167 NMTDCmd* dcmd = new NMTDCmd(NULL, false); | |
168 if (dcmd != NULL) { | |
169 DCmdMark mark(dcmd); | |
170 return dcmd->_dcmdparser.num_arguments(); | |
171 } else { | |
172 return 0; | |
173 } | |
174 } | |
175 |