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1 /* |
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2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2018, SAP SE. |
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4 * |
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5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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6 * |
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7 * This code is free software; you can redistribute it and/or modify it |
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8 * under the terms of the GNU General Public License version 2 only, as |
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9 * published by the Free Software Foundation. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 * |
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25 */ |
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26 |
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27 |
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28 #include "precompiled.hpp" |
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29 |
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30 #include "memory/resourceArea.hpp" |
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31 #include "services/stathist.hpp" |
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32 #include "services/stathistDCmd.hpp" |
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33 #include "utilities/ostream.hpp" |
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34 #include "utilities/globalDefinitions.hpp" |
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35 |
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36 namespace StatisticsHistory { |
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37 |
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38 StatHistDCmd::StatHistDCmd(outputStream* output, bool heap) |
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39 : DCmdWithParser(output, heap), |
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40 _scale("scale", "Memory usage in which to scale. Valid values are: k, m, g (fixed scale) " |
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41 "or \"dynamic\" for a dynamically chosen scale.", |
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42 "STRING", false, "dynamic"), |
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43 _cvs("cvs", "CVS format.", "BOOLEAN", false, "false"), |
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44 _no_legend("no-legend", "Omit legend.", "BOOLEAN", false, "false") |
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45 #ifdef ASSERT |
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46 , _raw("raw", "Print raw values (debug only).", "BOOLEAN", false, "false") |
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47 #endif |
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48 { |
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49 _dcmdparser.add_dcmd_option(&_scale); |
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50 _dcmdparser.add_dcmd_option(&_no_legend); |
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51 DEBUG_ONLY(_dcmdparser.add_dcmd_option(&_raw);) |
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52 _dcmdparser.add_dcmd_option(&_cvs); |
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53 } |
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54 |
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55 int StatHistDCmd::num_arguments() { |
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56 ResourceMark rm; |
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57 StatHistDCmd* dcmd = new StatHistDCmd(NULL, false); |
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58 if (dcmd != NULL) { |
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59 DCmdMark mark(dcmd); |
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60 return dcmd->_dcmdparser.num_arguments(); |
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61 } else { |
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62 return 0; |
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63 } |
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64 } |
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65 |
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66 static bool scale_from_name(const char* scale, size_t* out) { |
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67 if (strcasecmp(scale, "dynamic") == 0) { |
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68 *out = 0; |
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69 } else if (strcasecmp(scale, "kb") == 0 || strcasecmp(scale, "k") == 0) { |
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70 *out = K; |
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71 } else if (strcasecmp(scale, "mb") == 0 || strcasecmp(scale, "m") == 0) { |
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72 *out = M; |
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73 } else if (strcasecmp(scale, "gb") == 0 || strcasecmp(scale, "g") == 0) { |
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74 *out = G; |
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75 } else { |
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76 return false; // Invalid value |
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77 } |
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78 return true; |
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79 } |
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80 |
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81 void StatHistDCmd::execute(DCmdSource source, TRAPS) { |
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82 print_info_t pi; |
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83 if (!scale_from_name(_scale.value(), &(pi.scale))) { |
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84 output()->print_cr("Invalid scale: \"%s\".", _scale.value()); |
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85 return; |
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86 } |
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87 DEBUG_ONLY(pi.raw = _raw.value();) |
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88 pi.cvs = _cvs.value(); |
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89 pi.no_legend = _no_legend.value(); |
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90 pi.avoid_sampling = false; |
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91 |
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92 StatisticsHistory::print_report(output(), &pi); |
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93 } |
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94 |
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95 }; // namespace StatisticsHistory |
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96 |