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annotate libinterp/parse-tree/profiler.cc @ 29961:7d6709900da7

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eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more Files affected: __betainc__.cc, __contourc__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, balance.cc, besselj.cc, bsxfun.cc, call-stack.cc, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, defaults.cc, dirfns.cc, display.cc, dlmread.cc, dmperm.cc, dot.cc, eig.cc, ellipj.cc, environment.cc, error.cc, event-manager.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, find.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, gsvd.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jsondecode.cc, jsonencode.cc, load-path.cc, load-save.cc, lookup.cc, lsode.cc, lu.cc, max.cc, mgorth.cc, oct-hist.cc, ordqz.cc, ordschur.cc, pager.cc, pr-output.cc, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, regexp.cc, schur.cc, settings.cc, sighandlers.cc, sparse.cc, spparms.cc, sqrtm.cc, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, symbfact.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-struct.cc, ov-typeinfo.cc, ov-usr-fcn.cc, octave.cc, lex.ll, oct-parse.yy, profiler.cc, andpt-eval.cc.
author John W. Eaton <jwe@octave.org>
date Sat, 14 Aug 2021 22:48:52 -0400
parents 939bef0b66e0
children 91c6288781ba 796f54d4ddbf
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2012-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "defun.h"
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31 #include "event-manager.h"
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32 #include "interpreter.h"
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33 #include "oct-time.h"
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34 #include "ov-struct.h"
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35 #include "pager.h"
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36 #include "profiler.h"
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37
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38 OCTAVE_NAMESPACE_BEGIN
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39
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40 profiler::stats::stats (void)
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41 : m_time (0.0), m_calls (0), m_recursive (false),
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42 m_parents (), m_children ()
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43 { }
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44
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45 octave_value
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46 profiler::stats::function_set_value (const function_set& list)
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47 {
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48 const octave_idx_type n = list.size ();
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49
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50 RowVector retval (n);
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51 octave_idx_type i = 0;
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52 for (const auto& nm : list)
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53 retval(i++) = nm;
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54
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55 assert (i == n);
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56
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57 return retval;
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58 }
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59
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60 profiler::tree_node::tree_node (tree_node *p, octave_idx_type f)
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61 : m_parent (p), m_fcn_id (f), m_children (), m_time (0.0), m_calls (0)
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62 { }
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63
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64 profiler::tree_node::~tree_node ()
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65 {
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66 for (auto& idx_tnode : m_children)
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67 delete idx_tnode.second;
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68 }
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69
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70 profiler::tree_node*
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71 profiler::tree_node::enter (octave_idx_type fcn)
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72 {
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73 tree_node *retval;
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74
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75 child_map::iterator pos = m_children.find (fcn);
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76 if (pos == m_children.end ())
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77 {
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78 retval = new tree_node (this, fcn);
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79 m_children[fcn] = retval;
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80 }
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81 else
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82 retval = pos->second;
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83
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84 ++retval->m_calls;
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85 return retval;
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86 }
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87
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88 profiler::tree_node*
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89 profiler::tree_node::exit (octave_idx_type /* fcn */)
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90 {
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91 // FIXME: These assert statements don't make sense if profile() is called
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92 // from within a function hierarchy to begin with. See bug #39587.
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93 // assert (m_parent);
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94 // assert (m_fcn_id == fcn);
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95
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96 return m_parent;
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97 }
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98
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99 void
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100 profiler::tree_node::build_flat (flat_profile& data) const
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101 {
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102 // If this is not the top-level node, update profile entry for this function.
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103 if (m_fcn_id != 0)
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104 {
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105 stats& entry = data[m_fcn_id - 1];
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106
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107 entry.m_time += m_time;
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108 entry.m_calls += m_calls;
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109
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110 assert (m_parent);
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111 if (m_parent->m_fcn_id != 0)
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112 {
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113 entry.m_parents.insert (m_parent->m_fcn_id);
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114 data[m_parent->m_fcn_id - 1].m_children.insert (m_fcn_id);
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115 }
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116
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117 if (! entry.m_recursive)
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118 for (const tree_node *i = m_parent; i; i = i->m_parent)
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119 if (i->m_fcn_id == m_fcn_id)
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120 {
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121 entry.m_recursive = true;
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122 break;
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123 }
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124 }
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125
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126 // Recurse on children.
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127 for (const auto& idx_tnode : m_children)
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128 idx_tnode.second->build_flat (data);
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129 }
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130
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131 octave_value
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132 profiler::tree_node::get_hierarchical (double *total) const
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133 {
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134 // Note that we don't generate the entry just for this node, but
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135 // rather a struct-array with entries for all children. This way, the
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136 // top-node (for which we don't want a real entry) generates already
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137 // the final hierarchical profile data.
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138
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139 const octave_idx_type n = m_children.size ();
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140
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141 Cell rv_indices (n, 1);
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142 Cell rv_times (n, 1);
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143 Cell rv_totals (n, 1);
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144 Cell rv_calls (n, 1);
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145 Cell rv_children (n, 1);
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146
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147 octave_idx_type i = 0;
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148 for (const auto& idx_tnode : m_children)
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149 {
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150 const tree_node& entry = *idx_tnode.second;
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151 double child_total = entry.m_time;
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152
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153 rv_indices(i) = octave_value (idx_tnode.first);
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154 rv_times(i) = octave_value (entry.m_time);
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155 rv_calls(i) = octave_value (entry.m_calls);
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156 rv_children(i) = entry.get_hierarchical (&child_total);
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157 rv_totals(i) = octave_value (child_total);
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158
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159 if (total)
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160 *total += child_total;
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161
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162 ++i;
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163 }
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164 assert (i == n);
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165
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166 octave_map retval;
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167
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168 retval.assign ("Index", rv_indices);
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169 retval.assign ("SelfTime", rv_times);
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170 retval.assign ("TotalTime", rv_totals);
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171 retval.assign ("NumCalls", rv_calls);
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172 retval.assign ("Children", rv_children);
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173
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174 return retval;
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175 }
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176
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177 profiler::profiler (void)
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178 : m_known_functions (), m_fcn_index (),
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179 m_enabled (false), m_call_tree (new tree_node (nullptr, 0)),
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180 m_active_fcn (nullptr), m_last_time (-1.0)
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181 { }
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182
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183 profiler::~profiler (void)
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184 {
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185 delete m_call_tree;
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186 }
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187
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188 void
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189 profiler::set_active (bool value)
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190 {
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191 m_enabled = value;
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192 }
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193
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194 void
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195 profiler::enter_function (const std::string& fcn)
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196 {
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197 // The enter class will check and only call us if the profiler is active.
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198 assert (enabled ());
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199 assert (m_call_tree);
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200
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201 // If there is already an active function, add to its time before
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202 // pushing the new one.
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203 if (m_active_fcn && m_active_fcn != m_call_tree)
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204 add_current_time ();
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205
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206 // Map the function's name to its index.
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207 octave_idx_type fcn_idx;
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208 fcn_index_map::iterator pos = m_fcn_index.find (fcn);
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209 if (pos == m_fcn_index.end ())
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210 {
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211 m_known_functions.push_back (fcn);
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212 fcn_idx = m_known_functions.size ();
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213 m_fcn_index[fcn] = fcn_idx;
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214 }
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215 else
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216 fcn_idx = pos->second;
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217
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218 if (! m_active_fcn)
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219 m_active_fcn = m_call_tree;
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220
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221 m_active_fcn = m_active_fcn->enter (fcn_idx);
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222
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223 m_last_time = query_time ();
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224
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225 }
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226
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227 void
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228 profiler::exit_function (const std::string& fcn)
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229 {
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230 if (m_active_fcn)
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231 {
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232 assert (m_call_tree);
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233 // FIXME: This assert statements doesn't make sense if profile() is called
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234 // from within a function hierarchy to begin with. See bug #39587.
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235 //assert (m_active_fcn != m_call_tree);
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236
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237 // Usually, if we are disabled this function is not even called. But the
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238 // call disabling the profiler is an exception. So also check here
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239 // and only record the time if enabled.
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240 if (enabled ())
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241 add_current_time ();
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242
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243 fcn_index_map::iterator pos = m_fcn_index.find (fcn);
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244 // FIXME: This assert statements doesn't make sense if profile() is called
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245 // from within a function hierarchy to begin with. See bug #39587.
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246 //assert (pos != m_fcn_index.end ());
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247 m_active_fcn = m_active_fcn->exit (pos->second);
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248
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249 // If this was an "inner call", we resume executing the parent function
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250 // up the stack. So note the start-time for this!
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251 m_last_time = query_time ();
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252 }
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253 }
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254
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255 void
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256 profiler::reset (void)
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257 {
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258 if (enabled ())
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259 error ("profile: can't reset active profiler");
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260
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261 m_known_functions.clear ();
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262 m_fcn_index.clear ();
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263
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264 if (m_call_tree)
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265 {
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266 delete m_call_tree;
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267 m_call_tree = new tree_node (nullptr, 0);
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268 m_active_fcn = nullptr;
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269 }
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270
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271 m_last_time = -1.0;
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272 }
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273
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274 octave_value
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275 profiler::get_flat (void) const
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276 {
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277 octave_value retval;
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278
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279 const octave_idx_type n = m_known_functions.size ();
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280
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281 flat_profile flat (n);
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282
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283 if (m_call_tree)
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284 {
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285 m_call_tree->build_flat (flat);
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286
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287 Cell rv_names (n, 1);
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288 Cell rv_times (n, 1);
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289 Cell rv_calls (n, 1);
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290 Cell rv_recursive (n, 1);
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291 Cell rv_parents (n, 1);
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292 Cell rv_children (n, 1);
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293
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294 for (octave_idx_type i = 0; i != n; ++i)
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295 {
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296 rv_names(i) = octave_value (m_known_functions[i]);
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297 rv_times(i) = octave_value (flat[i].m_time);
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298 rv_calls(i) = octave_value (flat[i].m_calls);
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299 rv_recursive(i) = octave_value (flat[i].m_recursive);
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300 rv_parents(i) = stats::function_set_value (flat[i].m_parents);
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301 rv_children(i) = stats::function_set_value (flat[i].m_children);
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302 }
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303
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304 octave_map m;
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305
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306 m.assign ("FunctionName", rv_names);
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307 m.assign ("TotalTime", rv_times);
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308 m.assign ("NumCalls", rv_calls);
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309 m.assign ("IsRecursive", rv_recursive);
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310 m.assign ("Parents", rv_parents);
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311 m.assign ("Children", rv_children);
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312
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313 retval = m;
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314 }
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315 else
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316 {
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317 static const char *fn[] =
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318 {
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319 "FunctionName",
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320 "TotalTime",
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321 "NumCalls",
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322 "IsRecursive",
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323 "Parents",
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324 "Children",
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325 nullptr
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326 };
13188
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327
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328 static octave_map m (dim_vector (0, 1), string_vector (fn));
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329
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330 retval = m;
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331 }
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332
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333 return retval;
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334 }
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335
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336 octave_value
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337 profiler::get_hierarchical (void) const
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338 {
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339 octave_value retval;
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340
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341 if (m_call_tree)
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342 retval = m_call_tree->get_hierarchical ();
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343 else
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344 {
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diff changeset
345 static const char *fn[] =
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346 {
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diff changeset
347 "Index",
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diff changeset
348 "SelfTime",
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349 "NumCalls",
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350 "Children",
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diff changeset
351 nullptr
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352 };
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diff changeset
353
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diff changeset
354 static octave_map m (dim_vector (0, 1), string_vector (fn));
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355
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diff changeset
356 retval = m;
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diff changeset
357 }
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358
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359 return retval;
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diff changeset
360 }
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diff changeset
361
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
362 double
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John W. Eaton <jwe@octave.org>
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diff changeset
363 profiler::query_time (void) const
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diff changeset
364 {
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John W. Eaton <jwe@octave.org>
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diff changeset
365 sys::time now;
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John W. Eaton <jwe@octave.org>
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diff changeset
366
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
367 // FIXME: is this volatile declaration really needed?
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diff changeset
368 // See bug #34210 for additional details.
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diff changeset
369 volatile double dnow = now.double_value ();
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370
23753
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diff changeset
371 return dnow;
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John W. Eaton <jwe@octave.org>
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diff changeset
372 }
12954
a451ae847adb Collect hierarchical data profile.
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diff changeset
373
23753
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diff changeset
374 void
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diff changeset
375 profiler::add_current_time (void)
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diff changeset
376 {
24833
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diff changeset
377 if (m_active_fcn)
23753
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diff changeset
378 {
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diff changeset
379 const double t = query_time ();
c3828bd031cd move profiler inside evaluator and inside octave namespace
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diff changeset
380
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diff changeset
381 m_active_fcn->add_time (t - m_last_time);
23753
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diff changeset
382 }
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
383 }
29958
32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29359
diff changeset
384
12870
39d813616c8f Restore the docstrings for internal profiler functions as C++ comments
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12869
diff changeset
385 // Enable or disable the profiler data collection.
23753
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diff changeset
386 DEFMETHOD (__profiler_enable__, interp, args, ,
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diff changeset
387 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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diff changeset
388 @deftypefn {} {} __profiler_enable__ ()
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21730
diff changeset
389 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents: 21730
diff changeset
390 @end deftypefn */)
12783
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parents:
diff changeset
391 {
20802
8bb38ba1bad6 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
392 int nargin = args.length ();
12783
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parents:
diff changeset
393
20802
8bb38ba1bad6 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
394 if (nargin > 1)
8bb38ba1bad6 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
395 print_usage ();
8bb38ba1bad6 eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
396
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29960
diff changeset
397 profiler& profiler = interp.get_profiler ();
23753
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parents: 23752
diff changeset
398
23752
6be1bf9455e3 fix argument checks for internal profiler functions
John W. Eaton <jwe@octave.org>
parents: 23751
diff changeset
399 if (nargin == 1)
29057
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
400 {
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
401 profiler.set_active (args(0).bool_value ());
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
402
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
403 std::string status = "off";
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
404 if (args(0).bool_value ())
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
405 status = "on";
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
406
29961
7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more
John W. Eaton <jwe@octave.org>
parents: 29960
diff changeset
407 event_manager& evmgr = interp.get_event_manager ();
29057
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Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
408 evmgr.gui_status_update ("profiler", status); // tell GUI
450920c987b8 update profiler status in gui from interpreter
Torsten Lilge <ttl-octave@mailbox.org>
parents: 28919
diff changeset
409 }
12783
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Daniel Kraft <d@domob.eu>
parents:
diff changeset
410
24833
7c88cf242111 use m_ prefix for data members in more classes
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diff changeset
411 return ovl (profiler.enabled ());
12783
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parents:
diff changeset
412 }
ad9263d965dc First experimental profiler implementation with flat profile.
Daniel Kraft <d@domob.eu>
parents:
diff changeset
413
12870
39d813616c8f Restore the docstrings for internal profiler functions as C++ comments
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12869
diff changeset
414 // Clear all collected profiling data.
23753
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
415 DEFMETHOD (__profiler_reset__, interp, args, ,
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
416 doc: /* -*- texinfo -*-
21966
112b20240c87 move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
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417 @deftypefn {} {} __profiler_reset__ ()
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418 Undocumented internal function.
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419 @end deftypefn */)
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420 {
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421 if (args.length () != 0)
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422 print_usage ();
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423
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424 profiler& profiler = interp.get_profiler ();
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425
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426 profiler.reset ();
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427
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428 return ovl ();
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429 }
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430
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431 // Query the timings collected by the profiler.
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432 DEFMETHOD (__profiler_data__, interp, args, nargout,
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433 doc: /* -*- texinfo -*-
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434 @deftypefn {} {} __profiler_data__ ()
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435 Undocumented internal function.
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436 @end deftypefn */)
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437 {
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438 if (args.length () != 0)
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439 print_usage ();
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440
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441 profiler& profiler = interp.get_profiler ();
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442
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443 if (nargout > 1)
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444 return ovl (profiler.get_flat (), profiler.get_hierarchical ());
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445 else
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446 return ovl (profiler.get_flat ());
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447 }
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448
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449 OCTAVE_NAMESPACE_END