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2618
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1 ;;; diagnose.el --- routines for debugging problems in XEmacs
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2
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3 ;; Copyright (C) 2002 Ben Wing.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs 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 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs 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 GNU
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18 ;; 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 XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF.
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;;; Code:
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32
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33
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34 (defun show-memory-usage ()
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35 "Show statistics about memory usage of various sorts in XEmacs."
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36 (interactive)
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37 (garbage-collect)
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38 (flet ((show-foo-stats (objtypename objlist memfun)
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39 (let* ((hash (make-hash-table))
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40 (first t)
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41 types fmt
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42 (objnamelen 25)
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43 (linelen objnamelen)
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44 (totaltotal 0))
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45 (dolist (obj objlist)
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46 (let ((total 0)
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47 (stats (funcall memfun obj)))
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48 (loop for (type . num) in stats while type do
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49 (puthash type (+ num (or (gethash type hash) 0)) hash)
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50 (incf total num)
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51 (if first (push type types)))
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52 (incf totaltotal total)
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53 (when first
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54 (setq types (nreverse types))
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55 (setq fmt (concat
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56 (format "%%-%ds" objnamelen)
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57 (mapconcat
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58 #'(lambda (type)
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59 (let ((fieldlen
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60 (max 8 (+ 2 (length
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61 (symbol-name type))))))
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62 (incf linelen fieldlen)
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63 (format "%%%ds" fieldlen)))
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64 types "")
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65 (progn (incf linelen 9) "%9s\n")))
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66 (princ "\n")
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67 (princ (apply 'format fmt objtypename
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68 (append types (list 'total))))
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69 (princ (make-string linelen ?-))
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70 (princ "\n"))
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71 (let ((objname (format "%s" obj)))
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72 (princ (apply 'format fmt (substring objname 0
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73 (min (length objname)
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74 (1- objnamelen)))
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75 (nconc (mapcar #'(lambda (type)
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76 (cdr (assq type stats)))
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77 types)
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78 (list total)))))
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79 (setq first nil)))
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80 (princ "\n")
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81 (princ (apply 'format fmt "total"
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82 (nconc (mapcar #'(lambda (type)
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83 (gethash type hash))
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84 types)
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85 (list totaltotal))))
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86 totaltotal)))
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87
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88 (let ((grandtotal 0)
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89 (buffer "*memory usage*")
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90 begin)
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91 (with-output-to-temp-buffer buffer
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92 (save-excursion
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93 (set-buffer buffer)
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94 (when-fboundp 'charset-list
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95 (setq begin (point))
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96 (incf grandtotal
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97 (show-foo-stats 'charset (charset-list)
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98 #'charset-memory-usage))
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99 (sort-numeric-fields -1
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100 (save-excursion
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101 (goto-char begin)
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102 (forward-line 2)
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103 (point))
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104 (save-excursion
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105 (forward-line -2)
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106 (point)))
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107 (princ "\n"))
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108 (setq begin (point))
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109 (incf grandtotal
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110 (show-foo-stats 'buffer (buffer-list) #'buffer-memory-usage))
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111 (sort-numeric-fields -1
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112 (save-excursion
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113 (goto-char begin)
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114 (forward-line 3)
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115 (point))
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116 (save-excursion
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117 (forward-line -2)
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118 (point)))
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119 (princ "\n")
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120 (setq begin (point))
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121 (incf grandtotal
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122 (show-foo-stats 'window (mapcan #'(lambda (fr)
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123 (window-list fr t))
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124 (frame-list))
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125 #'window-memory-usage))
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126 (sort-numeric-fields -1
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127 (save-excursion
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128 (goto-char begin)
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129 (forward-line 3)
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130 (point))
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131 (save-excursion
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132 (forward-line -2)
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133 (point)))
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134 (princ "\n")
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135 (let ((total 0)
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136 (fmt "%-30s%10s\n"))
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137 (setq begin (point))
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138 (princ (format fmt "object" "storage"))
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139 (princ (make-string 40 ?-))
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140 (princ "\n")
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141 (map-plist #'(lambda (stat num)
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142 (when (string-match "\\(.*\\)-storage$"
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143 (symbol-name stat))
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144 (incf total num)
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145 (princ (format fmt
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146 (match-string 1 (symbol-name stat))
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147 num)))
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148 (when (eq stat 'long-strings-total-length)
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149 (incf total num)
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150 (princ (format fmt stat num))))
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151 (sixth (garbage-collect)))
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152 (princ "\n")
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153 (princ (format fmt "total" total))
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154 (incf grandtotal total))
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155 (sort-numeric-fields -1
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156 (save-excursion
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157 (goto-char begin)
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158 (forward-line 2)
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159 (point))
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160 (save-excursion
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161 (forward-line -2)
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162 (point)))
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163
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164 (princ (format "\n\ngrand total: %s\n" grandtotal)))
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165 grandtotal))))
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